Variables and Expressions
| RESOURCE | GRADE LEVEL | MEDIA TYPE |
|---|---|---|
From Patterns of Input and Output to Algebraic EquationsStudents 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 ClothesIn 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. |
4-8 |
Video |
Find Those GleamersThe 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. |
4-8 |
Video |
Frog Hops, Part 1The CyberSquad tries to figure out how Hacker’s cyberfrog moves when its various buttons are pressed, in this video from Cyberchase. |
4-8 |
Video |
Frog Hops, Part 2In this video from Cyberchase, the CyberSquad must figure out the new input/output pattern on Hacker’s larger cyberfrog. |
4-8 |
Video |
Linking Number Patterns and Algebraic ExpressionsStudents 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 AscentIn 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. |
5-8 |
Video |
Staircases of Shangri-LaHacker and the CyberSquad use two different staircases as they race to reach the Good Vibration in this video segment from Cyberchase. |
5-8 |
Video |
Using Two Variables to Express Algebraic RelationshipsStudents 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 EquationsStudents are introduced to simple algebra and are asked to solve for the value of different variables. |
4-7 |
Lesson Plan |
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