Think outside the box and use an engaging, interactive app that shows the relationship between square roots and squares using an actual square. Pupils find that moving a slider increases the side length of a square and its associated area.

Concepts

square roots, squares, perfect squares, area of squares

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Additional Tags

math

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Instructional Ideas

• Use the resource to introduce square roots

Classroom Considerations

• Interactive requires free CK-12 account
• Note that the app can only handle perfect squares up to 256 and their square roots

Pros

• Includes link to a tutorial on square roots

Cons

• Challenge questions focus on squares not square roots

Common Core

8.EE.A.2