G1 U10 L7 SJ
Applied MP
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 10 · Lesson 7
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MC: 1.OA.1
Today, I will solve subtraction problems with the start unknown.
Vocabulary
Steps
Take From Start Unknown – Word Problems:
1. Listen carefully to the numbers in the word problem.
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?
2. Use the numbers to write an equation using a symbol or letter to represent the unknown. 3. Solve for the unknown.
W-6=3 Unknown Solve for the unknown:
6+3=9 W= 9
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
/ Directions: Solve for the unknown in the following problems.
1.
— 2= 4
=
2.
W—4=8
W=
MP2: What math symbol did you use today? MP6: How do you know your answers are correct? MP7: What steps helped you solve the problems? Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown in the following problems.
1.
V— 4 = 6
V=
2.
—7=4
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Name: ____________________________ Directions: Solve for the unknown in the following problems.
Date: ______________________________
1.
–3=3
= 2.
—4=5
= 3.
—8=2
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown.
4.
V—6=6
V= 5.
W–4=3
W = 6. Does = 6? If not, solve for the unknown.
=6
Yes
—7 = 1
No
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown.
1. Solve the following word problem. Eight toys got broken. Now there is 1 toy left. How many toys were there to begin with?
= 2. Solve the following story problem. Seven cookies got eaten. Now there are 6 cookies left. How many cookies were there to begin with?
V= *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 7 P SJ
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 10 · Lesson 7
1
2
3
4
*
*
*
5
6
7
8
*
*
MC: 1.OA.1
Today, I will solve subtraction problems with the start unknown.
Vocabulary
Steps
Take From Start Unknown – Word Problems:
1. Listen carefully to the numbers in the word problem.
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?
2. Use the numbers to write an equation using a symbol or letter to represent the unknown. 3. Solve for the unknown.
W-6=3 Unknown Solve for the unknown:
6+3=9 W= 9
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
/ Directions: Solve for the unknown in the following problems.
1.
— 2= 4
=
2.
W—4=8
W=
MP2: What math symbol did you use today? MP6: How do you know your answers are correct? MP7: What steps helped you solve the problems? Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown in the following problems.
1.
V— 4 = 6
V=
2.
—7=4
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Name: ____________________________ Directions: Solve for the unknown in the following problems.
Date: ______________________________
1.
–3=3
= 2.
—4=5
= 3.
—8=2
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown.
4.
V—6=6
V= 5.
W–4=3
W = 6. Does = 6? If not, solve for the unknown.
=6
Yes
—7 = 1
No
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P SJ
Directions: Solve for the unknown.
1. Solve the following word problem. Eight toys got broken. Now there is 1 toy left. How many toys were there to begin with?
= 2. Solve the following story problem. Seven cookies got eaten. Now there are 6 cookies left. How many cookies were there to begin with?
V= *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 7 P SJ
