G1 U9 L5 SJ

Applied MP

MPs * Embedded MP

Conceptual Lesson Grade 1 · Unit 9 · Lesson 5

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2

*



3

4

5

6

7

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MC: 1.OA.4

problems.

Today, I will solve subtraction problems as unknown-addend

Vocabulary

Notes

Think addition to subtract:

7—5= 5+=7 Create drawings:

7 — 5= 

5+=7 Count up:

7 — 5= 5+=7 (5….6, 7)

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Grade 1 Unit 9 Lesson 5 C SJ

8

*

/ Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.

1.

7—4=

4+

=7

2.

10 — 6 = 6+

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= 10

Grade 1 Unit 9 Lesson 5 C SJ

Directions: Write the addition fact that helps solve the subtraction fact. Solve for the unknown addend and find the difference.

1.

8—5= 5+

=8

2.

10 — 7 = 7+

= 10

*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: MP2: What steps helped you solve your problems? MP4: How did you know your answers were correct? MP8: Did you use any shortcuts to solve the problems?

Copyright © Swun Math

Grade 1 Unit 9 Lesson 5 C SJ

Copyright © Swun Math

Grade 1 Unit 9 Lesson 5 C SJ