G1 U10 L6 SJ

Applied MP

MPs * Embedded MP

Conceptual Lesson Grade 1 · Unit 10 · Lesson 6 MC: 1.OA.1

1

2

*



3

4

5

6

7

8





*

Today, I will use objects to solve problems with the start unknown.

Vocabulary

Notes

Take From Start Unknown – Word Problems: There were some horses in a field. Six horses ran away, and now there are 3 horses. How many horses were in the field to begin with?

W-6=3 Unknown Solve for the unknown:

6+3=9 W= 9

Copyright © Swun Math

Grade 1 Unit 10 Lesson 6 C SJ

/ Directions: Solve for the unknown in the following problems.

1.

k–4=4

2.

–5=7

Copyright © Swun Math

Grade 1 Unit 10 Lesson 6 C SJ

Directions: Solve for the unknown in the following problems.

1. Equation:

W–3=2

2. Word Problem: There were some bowls of ice cream. Six bowls of ice cream were taken. Now there are none left. How many bowls of ice cream were there to begin with?

*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 math symbol did you use today? MP6: How did you know your answers were correct? MP7: What steps helped you solve the problems?

Copyright © Swun Math

Grade 1 Unit 10 Lesson 6 C SJ

Copyright © Swun Math

Grade 1 Unit 10 Lesson 6 C SJ