Seventh 7th Grade Algebra

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Seventh Grade

1. Number & Operations (N)

2. Algebra (A)

3. Geometry (G)

4. Data and Probability (D)

Strand 2. Algebra (A)

Understand and Apply Directly Proportional Relationships; Relate to Linear Relationships
Understand and Represent Linear Functions
Understand and Solve Problems About Inverse Proportional Relationships
Apply Basic Properties of Real Numbers in Algebraic Contexts
Combine Algebraic Expressions and Solve Equations

2. Algebra (A)

Seventh Grade

Understand and Apply Directly Proportional Relationships and Relate to Linear Relationships

A.PA.07.01 Recognize when information given in a table, graph, or formula suggests a directly proportional or linear relationship.*
1. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
2. Discovering Growth Patterns
  A web activity comparing linear and exponential growth.
3. Dot Patterns and Sierpinski Gasket
  This site allows you to generate the Sierpanski Triangle. You can enlarge the triangle one row at a time allowing you to see the changes at each stage of the triangle.
4. Doubling Pennies
  This site poses a question relating to the doubling of pennies as opposed to receiving a set amount of money. It then goes through the solution using charts and a formula. This site also contains links to similar problems. This is a student activity.
5. Lesson Plans: How Big is That Star?
6. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
7. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
8. Pattern Blocks
  This site allows the students to create their own patterns by manipulating the pattern block shapes onto the graph. It also gives a definition of each shape if the student needs the reference. Teachers can choose what type of pattern they want students to create. Also a possibility of using it for fractions.
9. Play Pool on Different Sized Pool Tables
  In this interactive activity students will predict which pocket the pool ball will go into as well as the number of hits needed to sink the ball. By changing variables they will see patterns and generalizations to aide them in their predictions. Data will be represented by a model as well as a spreadsheet and a graph.
10. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
11. Proportion Basics
12. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
13. Rectangle Pattern Challenges
  This site explores patterns in rectangles and then has students organizing the data they find into a table. Also has discussion questions at the end. Use as whole class instruction or print off for inividual use.
14. Waldo's Interactive Math
A.RP.07.02 Represent directly proportional and linear relationships using verbal descriptions, tables, graphs, and formulas, and translate among these representations.
1. Bouncing Tennis Balls
  This is a lesson plan that has the students graph information found by bouncing a tennis ball. They will use this information to determine the dependant and independent variables.
2. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
3. Discovering Growth Patterns
  A web activity comparing linear and exponential growth.
4. Dot Patterns and Sierpinski Gasket
  This site allows you to generate the Sierpanski Triangle. You can enlarge the triangle one row at a time allowing you to see the changes at each stage of the triangle.
5. Doubling Pennies
  This site poses a question relating to the doubling of pennies as opposed to receiving a set amount of money. It then goes through the solution using charts and a formula. This site also contains links to similar problems. This is a student activity.
6. Lesson Plans: How Big is That Star?
7. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
8. Online Graphing
  Outstanding - Will graph functions like a graphing calculator would do, only easier. Great for those without access to graphing calculators.
9. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
10. Pattern Blocks
  This site allows the students to create their own patterns by manipulating the pattern block shapes onto the graph. It also gives a definition of each shape if the student needs the reference. Teachers can choose what type of pattern they want students to create. Also a possibility of using it for fractions.
11. Play Pool on Different Sized Pool Tables
  In this interactive activity students will predict which pocket the pool ball will go into as well as the number of hits needed to sink the ball. By changing variables they will see patterns and generalizations to aide them in their predictions. Data will be represented by a model as well as a spreadsheet and a graph.
12. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
13. Proportion Basics
14. Principles and Standards for School Mathematics: Learning about rate of change…
  Students interact with 2 line graphs, one with a constant variable, the other with 2 changing variables. They answer questions to learn about change and linear graphs.
15. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
16. Rectangle Pattern Challenges
  This site explores patterns in rectangles and then has students organizing the data they find into a table. Also has discussion questions at the end. Use as whole class instruction or print off for inividual use.
17. Sports and Math: Will Women Ever Surpass Their Male Counterparts?
  Students interpret numerical and graphical data about athletic performance, derive equations, and make statistical predictions.
18. The Hand Shake
  A data collection and analysis class experiment. Use a table to show the number of handshakes when every person in the room shakes hands with everyone else.
19. The Rich Get Rich
  Students complete a chart which explains whether it would be better to take $1,000,000 or take $0.01 the first day and have it doubled every day after that. There is a story that the students follow to get to the answer.
20. Waldo's Interactive Math
A.PA.07.03 Given a directly proportional or other linear situation, graph and interpret the slope and intercept(s) in terms of the original situation; evaluate y = mx + b for specific x values, e.g., weight vs. volume of water, base cost plus cost per unit.*
1. Bouncing Tennis Balls
  This is a lesson plan that has the students graph information found by bouncing a tennis ball. They will use this information to determine the dependant and independent variables.
2. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
3. Lesson Plans: How Big is That Star?
4. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
5. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
6. Pathfinder: Measuring Wind Speed
  Students create their own anemometer, an instrument used to measure wind speed. Students can plot and then analyze real world wind speed data collected by Pathfinder during one of its recent missions. This is a teacher resource.
7. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
8. Principles and Standards for School Mathematics: Learning about rate of change…
  Students interact with 2 line graphs, one with a constant variable, the other with 2 changing variables. They answer questions to learn about change and linear graphs.
9. Proportion Basics
10. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
11. Sports and Math: Will Women Ever Surpass Their Male Counterparts?
  Students interpret numerical and graphical data about athletic performance, derive equations, and make statistical predictions.
A.PA.07.04 For directly proportional or linear situations, solve applied problems using graphs and equations, e.g., the heights and volume of a container with uniform cross-section; height of water in a tank being filled at a constant rate; degrees Celsius and degrees Fahrenheit; distance and time under constant speed.
1. Ask Dr. Math
  This site gives students a number of algebraic word problems to work. Ask Dr. Math is a great site for students to receive feedback to enhance their understanding of the problems.
2. Escape from Knab
  This site is a wonderful interactive game/simulation that allows the student to learn basic finance. Students land on the planet Knab and have to earn their ticket back to Earth. Students learn financial vocabulary, such as budget, capital gains, income tax, using a highly accessible glossary. Students will choose a job, calculate income, calculate tax withholdings, estimate long and short term expenses. Students have to analyze real life financial situations and make decisions based on their findings. This game could be played as teams or individuals. There is a spot for teachers to find lesson plans, tips and curriculum alignment information.
3. Figure This! Math Challenges for Families
  Figure This! Mathematics Challenges for Families provides interesting math challenges that middle-school students can do at home with their families. Each challenge features a description of the important math involved, a note on where the math is used in the real world, a hint to get started, complete solutions, a "Try This" section, additional relational related problems with answers, questions to thinks about, fun facts related to the math, and resources for further exploration. Math Challenges #3 and 4 are examples of problems that would help teach this particular objective.
4. Illunimations Fraction - Percent, Decimal Model
5. Lemonade Stand
  Students run a virtual lemonade stand. The goal of the student is to make as much money as they can in 30 days. Students have control over every part of the business, including pricing, quality control, inventory control, and purchasing supplies. The game also mentions outside factors such as weather and how that would affect business.
6. Math.Com (Geometry)
  An informational site for teachers and students. There is some interaction for students in the lessons. Students can participate in quizes at the end of each section. This is the general site for geometry. You will need to choose the area of interest. Great site for middle school geometry.
7. Math for Morons Like Us - Algebra - Word Problems
  This site provides explanations, examples, and vocabulary definitions that can be used in solving word problems using algebraic equations. As follow-up the student can take a short quiz that includes an explanation of what problems were missed and what was done wrong. This site contains general information and is a student activity.
8. Primo Math - Cycle 001
  This site contains eleven review problems to solve. The problems vary in difficulty.
9. Problem Solving
10. Shape Explorer
11. Soda Constructor
  This is a very interactive site in which the students will have the opportunity to actually construct shapes. The teacher must give directions of what shape the students are to construct and the teacher can also request the shape to be something that represents something in our physical world.
12. Solving Functions
  An interactive site to develop strategies to solve functions.
13. Solving Word Problems
14. Webmath
  This site allows the students to see how math is used in everyday life. The student has access to calculators that figure out restaurant tips, sale prices, windchill, electric bills, simple interest, compound interest, retirement, loans and stocks. The student is active in figuring these things out.
15. Word Problems for Kids
16. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond
  This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect of varying parameters on the long-term population. Students will complete a numerical analysis, a graphical analysis, and a symbolic analysis from the data.
A.PA.07.05 Recognize and use directly proportional relationships of the form y = mx, and distinguish from linear relationships of the form y = mx + b, b non-zero; understand that in a directly proportional relationship between two quantities one quantity is a constant multiple of the other quantity.*
1. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
2. Figure This! Math Challenges for Families
  Figure This! Mathematics Challenges for Families provides interesting math challenges that middle-school students can do at home with their families. Each challenge features a description of the important math involved, a note on where the math is used in the real world, a hint to get started, complete solutions, a "Try This" section, additional relational related problems with answers, questions to thinks about, fun facts related to the math, and resources for further exploration. Math Challenges #3 and 4 are examples of problems that would help teach this particular objective.
3. Lesson Plans: How Big is That Star?
4. Math.Com (Geometry)
  An informational site for teachers and students. There is some interaction for students in the lessons. Students can participate in quizes at the end of each section. This is the general site for geometry. You will need to choose the area of interest. Great site for middle school geometry.
5. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
6. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
7. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
8. Proportion Basics
9. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
10. Shape Explorer
  Students can interact with area and perimeter on various shapes. Students will enjoy interacting with various shapes and observing how perimeter and area are both calculated and relate.
11. Soda Constructor
  This is a very interactive site in which the students will have the opportunity to actually construct shapes. The teacher must give directions of what shape the students are to construct and the teacher can also request the shape to be something that represents something in our physical world.

Understand and Represent Linear Functions

A.PA.07.06 Calculate the slope from the graph of a linear function as the ratio of “rise/run” for a pair of points on the graph, and express the answer as a fraction and a decimal; under- stand that linear functions have slope that is a constant rate of change.
1. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
2. Lesson Plans: How Big is That Star?
3. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
4. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
5. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
6. Proportion Basics
7. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
A.PA.07.07 Represent linear functions in the form y = x + b, y = mx, and y = mx + b, and graph, interpreting slope and y-intercept.
1. Ask Dr. Math
  This site gives students a number of algebraic word problems to work. Ask Dr. Math is a great site for students to receive feedback to enhance their understanding of the problems.
2. Escape from Knab
  This site is a wonderful interactive game/simulation that allows the student to learn basic finance. Students land on the planet Knab and have to earn their ticket back to Earth. Students learn financial vocabulary, such as budget, capital gains, income tax, using a highly accessible glossary. Students will choose a job, calculate income, calculate tax withholdings, estimate long and short term expenses. Students have to analyze real life financial situations and make decisions based on their findings. This game could be played as teams or individuals. There is a spot for teachers to find lesson plans, tips and curriculum alignment information.
3. Determining Ratios
  This is an interactive site where students can reduce the given ration into lowest form. The student receives immediate feedback to their answer. If the solution is correct you move on to a different problem. If the solution is incorrect the students are told why there answer is wrong.
4. Lesson Plans: How Big is That Star?
5. Math for Morons Like Us - Algebra - Word Problems
  This site provides explanations, examples, and vocabulary definitions that can be used in solving word problems using algebraic equations. As follow-up the student can take a short quiz that includes an explanation of what problems were missed and what was done wrong. This site contains general information and is a student activity.
6. One False Move
  This is a game where students find their way out of a haunted house by decimals in order (either from least to most or most to least). This includes positive and negative integers with one decimal place and varying levels of difficulty.
7. Paper Pool Games-Number and Operations-Number Sense and Numeration
  This site allows the student to interact directly with the activity. It encourages students to challenge themselves to go beyond just looking at a simple pattern. It requires the students to look for ratios that are created from the multiples and factors of the numbers. Students will be working on beginning skills on gathering data and looking for patterns.
8. Population Ratios
  This site is an interdisciplinary project (mathematics, social studies) where students choose a county in the United States and using ratios convert the statistics into meaningful numbers. Students access web sites and record various population statistics pertaining to a county in the USA of their choice. Students then use this data to set up and solve ratios. Students compare data to make meaning of the numbers.
9. Proportion Basics
10. Ratios
  This is an interactive math site where students solve for ratios. The students are given a ratio and one part (either the numerator or denominator) of another ratio. The students then have to solve for the missing expression. They are given immediate feedback to their answers.
11. Solving Functions
  An interactive site to develop strategies to solve functions.
12. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond
  This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect of varying parameters on the long-term population. Students will complete a numerical analysis, a graphical analysis, and a symbolic analysis from the data.
A.FO.07.08 Find and interpret the x and/or y intercepts of a linear equation or function. Know that the solution to a linear equation of the form ax+b=0 corresponds to the point at which the graph of y=ax+b crosses the x axis.*
1. Algebra - Fun with Calendars
  A fun mathematical puzzle that shows students a use for algebra. By using a simple linear equation students can determine what four days on a calendar someone has chosen.
2. California Here We Come!
  This site allows teams of students to choose any state capital on the east coast as their starting point. They travel west stopping at each state capital along the way and record miles traveled. Each student group will create a chart or table showing the number of miles traveled from state capital to state capital and then total numbers of miles driven. Lesson plan, evaluation, extensions, and student activity sheets are included. Skills used will involve solving linear equations and inequalities over the rational numbers, as well as solving multistep problems involving rate, average speed, distance and time, or direct variation. This includes a teacher lesson plan and is a student activity.
3. Grap Mole Game
4. Linear Inequalities
  Manipulate and visualize the solution sets of linear inequalities in slope-intercept form.
5. Slope Intercept Form
  Interactive tool to experiment with the slope and intercept of a line. See how the slope of a line is calculated.
6. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond
  This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect of varying parameters on the long-term population. Students will complete a numerical analysis, a graphical analysis, and a symbolic analysis from the data.

Understand and Solve Problems About Inversely Proportional Relationships

A.PA.07.09 Recognize inversely proportional relationships in contextual situations; know that quantities are inversely proportional if their product is constant, e.g., the length and width of a rectangle with fixed area, and that an inversely proportional relationship is of the form y = k/x where k is some non-zero number.
1. Bouncing Tennis Balls
  This is a lesson plan that has the students graph information found by bouncing a tennis ball. They will use this information to determine the dependant and independent variables.
2. Function Machine
  Students are able to enter a number to represent the variables and then determine what functionis taking place. The activity explains linear functions and allows the students to ask how, what, and why for solving the problem.
3. Functions Made Easy
  Students will explore the concept of functions as relationships, as machines, s equations, and as graphs. This is a teacher resource site.
4. Graphing and the Coordinate Plane
  This lesson is designed to introduce students to graphing ordered pairs of numbers on the coordinate plane. Students will be able to give the rise over run for slope.
5. Linking Length, Perimeter, Area, and Volume
  This is a lesson plan where students will work with 2-dimensional rectangles to focus on the relationship between the scale factor and ratio of perimeters or area of similar figures. Graphs are drawn for students to visualize the linear and non-linear relationships of perimeter, area, and scale factor .
6. Mathline: The Yo-Yo Problem
  Students explore linear patterns, write a pattern in symbolic form, and solve linear equations using algebra tiles, symbolic manipulation and the graphing calculator.
A.RP.07.10 Know that the graph of y = k/x is not a line, know its shape, and know that it crosses neither the x nor the y-axis.
1. Bouncing Tennis Balls
  This is a lesson plan that has the students graph information found by bouncing a tennis ball. They will use this information to determine the dependant and independent variables.
2. Function Machine
  Students are able to enter a number to represent the variables and then determine what functionis taking place. The activity explains linear functions and allows the students to ask how, what, and why for solving the problem.
3. Functions Made Easy
  Students will explore the concept of functions as relationships, as machines, s equations, and as graphs. This is a teacher resource site.
4. Graphing and the Coordinate Plane
  This lesson is designed to introduce students to graphing ordered pairs of numbers on the coordinate plane. Students will be able to give the rise over run for slope.
5. Linking Length, Perimeter, Area, and Volume
  This is a lesson plan where students will work with 2-dimensional rectangles to focus on the relationship between the scale factor and ratio of perimeters or area of similar figures. Graphs are drawn for students to visualize the linear and non-linear relationships of perimeter, area, and scale factor .
6. Mathline: The Yo-Yo Problem
  Students explore linear patterns, write a pattern in symbolic form, and solve linear equations using algebra tiles, symbolic manipulation and the graphing calculator.

Apply Basic Properties of Real Numbers in Algebraic Contexts

A.PA.07.11 Understand and use basic properties of real numbers: additive and multiplicative identities, additive and multiplicative inverses, commutativity, associativity, and the distributive property of multiplication over addition.
1. Addition Properties
  Students play an interactive game consisting of commutative, associative, additive identity, and distributive properties. Students are given a problem with one of the properties demonstrated and the student must choose the correct property. The game immediately says if the student is correct or not and gives a running total of their score.
2. Algebra Help
  This site gives students a step by step description of description of distributive property, order of operations solving equations, combining like terms, F.O.I.L method, simplifying exponents, and substitution method of solving equations. Students have an opportunity to work on problemns after the short lessons. This site has many different calculators available that will show all work on a problem typed in by the student just like a student would do the work.
3. E-Lab : Two Step Equations
  Students will apply the additive inverse and multiplicative inverse properties to solve two-step equations.
4. Molecular Expressions, Science, Optics, and You
5. The Derivation of Pi
6. The National Science Center - Concepts and Properties of Numbers (IV.1.MS.3)

Combine Algebraic Expressions and Solve Equations

A.FO.07.12 Add, subtract, and multiply simple algebraic expressions of the first degree, e.g., (92x + 8y) – 5x + y, or x(x+2) and justify using properties of real numbers.*
1. E-Lab : Two Step Equations
  Students will apply the additive inverse and multiplicative inverse properties to solve two-step equations.
2. I want a credit card - or do I?
  Students will pretend to borrow $1000.00 on a credit card. They will pretend to make minimum payments for a year. When they're done, they will make a pie chart showing how much of their payments reduced their debt, and how much was interest. A student worksheet, resources, and lesson extensions are included. Students will be writing and solving one-step linear equations in one variable. This includes a teacher lesson plan and is a student activity.
3. Math Files - Equation Match
  This is an interactive game for students. They must find two equations that have the same solution. It is similar to a game of "Concentration". (Warning to teachers: Students may need a few minutes to play with the long arm.)
4. Molecular Expressions, Science, Optics, and You
5. Mrs Glossers Math Goodies
6. Multimedia Math Glossary
7. The Derivation of Pi
8. The National Science Center
9. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond
  This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect of varying parameters on the long-term population. Students will complete a numerical analysis, a graphical analysis, and a symbolic analysis from the data.
10. Waldo's Interactive Math
A.FO.07.13 From applied situations, generate and solve linear equations of the form ax + b = c and ax + b = cx + d, and interpret solutions. * revised expectations in italics
1. Algebra - Fun with Calendars
  A fun mathematical puzzle that shows students a use for algebra. By using a simple linear equation students can determine what four days on a calendar someone has chosen.
2. California Here We Come!
  This site allows teams of students to choose any state capital on the east coast as their starting point. They travel west stopping at each state capital along the way and record miles traveled. Each student group will create a chart or table showing the number of miles traveled from state capital to state capital and then total numbers of miles driven. Lesson plan, evaluation, extensions, and student activity sheets are included. Skills used will involve solving linear equations and inequalities over the rational numbers, as well as solving multistep problems involving rate, average speed, distance and time, or direct variation. This includes a teacher lesson plan and is a student activity.
3. Grap Mole Game
4. Linear Inequalities
  Manipulate and visualize the solution sets of linear inequalities in slope-intercept form.
5. Slope Intercept Form
  Interactive tool to experiment with the slope and intercept of a line. See how the slope of a line is calculated.
6. Using Algebra and Discrete Mathematics to Investigate Population Changes in a Trout Pond
  This investigation illustrates the use of iteration, recursion and algebra to model and analyze a changing fish population. Graphs, equations, tables, and technological tools are used to investigate the effect of varying parameters on the long-term population. Students will complete a numerical analysis, a graphical analysis, and a symbolic analysis from the data.