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Unit 7 - Lesson 2 - Grade 3: Illustrative Mathematics

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Grade 3 Unit 7
Lesson 2: Attributes of Triangles and Quadrilaterals
CC BY 2021 Illustrative Mathematics®
Grade 3 Unit 7
Lesson 2: Attributes of Triangles and Quadrilaterals
CC BY 2021 Illustrative Mathematics®
Lesson: Attributes of Triangles and Quadrilaterals

True or False: Multiples of Ten (Warm Up)

Decide if each statement is true or false. Be prepared to explain your reasoning.

30 x 60 = 9 x 10

Explain your reasoning.

180 = 3 x 60

Explain your reasoning.

6 x 40 = 24 x 10

Explain your reasoning.

24 x 10 = 240

Explain your reasoning.

Card Sort: Triangles

Sort the triangles into categories.

Explain how you sorted the shapes.

Card Sort: Quadrilaterals

Sort the quadrilaterals into categories.

Explain how you sorted the shapes.

Cool Down: Describe the Shape

Describe as many attributes of the shape as you can.