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Feedback Geometry Quadrilaterals

A Parallelogram is a Rhombus

ASN 6 2 ASN 6

These are some “Always, Sometimes, Never” questions. Like, “Is it always, sometimes or never true that a rhombus is a parallelogram.”

What’s the fastest way to help these students?

(Thanks for the submission, Tina C!)

Categories
Geometry Geometry Pythagorean Theorem Right Triangles

Sqrt(1) and Right Triangles

IMG_2614

This mistake seems ripe for theorizing. Would a kid make this mistake if the hypotenuse was 4 instead of 10?

Categories
Area Decimals Geometry Middle School Multiplication Perimeter and Volume

Area of Walls

What’s the mistake? How can you help the kid?

When you’re done with this post, go check out Mary Dooms’ blog¬†and go follow her on twitter. Thanks for the submission, Mary!