G1 U3 L13 SJ

Applied MP

MPs * Embedded MP

Conceptual Lesson Grade 1 · Unit 3 · Lesson 13

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*

2

3

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8

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 *

MC: 1.OA.3, 1.OA.6

Today, I will add by creating equivalent, but easier and known sums.

Vocabulary Strategies:

Steps

6+7=

Break Apart to Make 10 6+7= 6+7= 6+7=

6+4+3 10 + 3 13

1. Identify a strategy (make 10, doubles, doubles plus one, etc.) to help find an easier sum. 2. Use a strategy to find an easier or known sum.

Doubles and Doubles Plus One 6+7= 6+7= 6+7=

6+6+1 12 + 1 13

Copyright © Swun Math

Grade 1 Unit 3 Lesson 13 C SJ

/ Directions: Make equivalent but easier and known sums.

1.

5+9=

5+9= 5+9= 5+9=

2.

7+8=

7+8= 7+8= 7+8=

Copyright © Swun Math

Grade 1 Unit 3 Lesson 13 C SJ

Directions: Make equivalent but easier and known sums.

1.

6+9= 6+9= 6+9=

2.

8+9= 8+9= 8+9=

*MP3: Do you agree/disagree with what

said?

*MP6: How do you know your answers are correct/reasonable?

Recap today’s lesson with one or more of the following MP questions: MP1: What strategies did you use to help solve the problems? MP7: Is there an easier way to find the answers? MP8: Does my answer seem reasonable?

Copyright © Swun Math

Grade 1 Unit 3 Lesson 13 C SJ