Algebra

Variables and Expressions

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RESOURCE GRADE LEVEL MEDIA TYPE
From Patterns of Input and Output to Algebraic Equations

From Patterns of Input and Output to Algebraic Equations

Students explore the relationship between input and output values and learn to use algebraic expressions and equations.

4-8

Lesson Plan

Finding the Right Combination of Clothes

Finding the Right Combination of Clothes

In this video segment from Cyberchase, Harry has a fixed budget for clothing, so he must figure out what combination of jackets and pants he can buy with $100. OER Level

4-8

Video

Find Those Gleamers

Find Those Gleamers

The CyberSquad uses algebra to figure out how many gleamers they need and how many power glows are produced by each gleamer as they must power up a Cyberspace ship in this video from Cyberchase. OER Level

4-8

Video

Frog Hops, Part 1

Frog Hops, Part 1

The CyberSquad tries to figure out how Hacker’s cyberfrog moves when its various buttons are pressed, in this video from Cyberchase. OER Level

4-8

Video

Frog Hops, Part 2

Frog Hops, Part 2

In this video from Cyberchase, the CyberSquad must figure out the new input/output pattern on Hacker’s larger cyberfrog. OER Level

4-8

Video

Linking Number Patterns and Algebraic Expressions

Linking Number Patterns and Algebraic Expressions

Students practice using algebraic expressions by recording data from a video segment in which two staircases ascend at different rates. They record the patterns in two-column tables, draw line graphs and write simple algebraic relations.

5-8

Lesson Plan

Speed of Ascent

Speed of Ascent

In this video segment from Cyberchase, Hacker and the CyberSquad race to reach the Good Vibration on staircases that grow at different rates and have steps of varying sizes. OER Level

5-8

Video

Staircases of Shangri-La

Staircases of Shangri-La

Hacker and the CyberSquad use two different staircases as they race to reach the Good Vibration in this video segment from Cyberchase. OER Level

5-8

Video

Using Two Variables to Express Algebraic Relationships

Using Two Variables to Express Algebraic Relationships

Students are introduced to algebraic expressions that use more than one variable and have multiple solutions. They figure out combinations of two items at different costs, with each combination adding up to 100.

4-7

Lesson Plan

Using Variables in Simple Equations

Using Variables in Simple Equations

Students are introduced to simple algebra and are asked to solve for the value of different variables.

4-7

Lesson Plan