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K-5 Grade 1 Unit 3 Lesson 4

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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 Lesson 16 Lesson 17 Lesson 18 Lesson 19 Lesson 20 Lesson 21 Lesson 22 Lesson 23 Lesson 24 Lesson 25 Lesson 26 Lesson 27 Lesson 28

K-5
6-8
9-12

Kindergarten
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Grade 4
Grade 5

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

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Lesson 4

Warm-up Activity 1 Activity 2 Activity 3

Unit 3, Lesson 4

Sums of 10

Grade 1

Warm-up

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

Activity 1

None

Activity 2

Show all the ways to make 10.
How do you know that you have found all the ways?
Be ready to explain your thinking.

Activity 3

Choose a center.

Number Puzzles

Center activity. Number Puzzles.

Check It Off

Center. Check It Off.

Find the Pair

Center. Find the pair.