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K-5 Grade 3 Unit 7 Lesson 1

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•K-5 Math 6-8 Math 9-12 Math

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Kindergarten Grade 1 Grade 2 •Grade 3 Grade 4 Grade 5

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Unit 1 Unit 2 Unit 3 Unit 4 Unit 5 Unit 6 •Unit 7 Unit 8

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•Lesson 1 Lesson 2 Lesson 3 Lesson 4 Lesson 5 Lesson 6 Lesson 7 Lesson 8 Lesson 9 Lesson 10 Lesson 11 Lesson 12 Lesson 13 Lesson 14 Lesson 15

K-5
6-8
9-12

Kindergarten
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Grade 2
Grade 3
Grade 4
Grade 5

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Unit 2
Unit 3
Unit 4
Unit 5
Unit 6
Unit 7
Unit 8

Lesson 1
Lesson 2
Lesson 3
Lesson 4
Lesson 5
Lesson 6
Lesson 7
Lesson 8
Lesson 9
Lesson 10
Lesson 11
Lesson 12
Lesson 13
Lesson 14
Lesson 15

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IM K-5 Math
IM 6-8 Math
IM 9-12 Math

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Lesson 1

Warm-up Activity 1

Unit 7, Lesson 1

What Attributes Do You See?

Grade 3

Warm-up

Which Three Go Together: Who’s in the Group?

Which 3 go together?

4-sided shape. — A

5-sided shape. — B

4-sided shape. — C

4-sided shape. — D

Are You Ready for More?

Activity 1

Card Sort: Shapes

Your teacher will give you a set of cards that show shapes.

Sort the cards into categories in a way that makes sense to you. Be ready to explain the meaning of your categories.
Take turns sorting the cards into 2 new categories. Don’t tell your partner how you sorted them. Your partner will then guess how you sorted your shapes.

Are You Ready for More?

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