G1 U10 L7 TE
Applied MP
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 10 · Lesson 7
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MC: 1.OA.1 Student Journal Pages
109-114
Today, I will solve subtraction problems with the start unknown.
Vocabulary
Teacher Resources
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
Considerations: Students need to be exposed to many ways to represent the unknown (empty box, letters, and symbols).
Steps: 1. Read the equation. 2. Solve for the unknown.
Application of MPs: Unknown Solve for the unknown:
6+3=9
MP2: What math symbol can you use today? MP6: How do you know your answers are correct? MP7: What steps help you solve the problems?
W= 9
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
Answer Key: I/M
SGP
1. 7+3=10, V=10
1. 2+4=6,
2. 5+2=7, =7
2. 4+8=12, W=12
=6
FCU
SP
CH
HW
1. 4+6=10, V=10
1. 3+3=6, =6
1. Check equation; 9
1. 8+4=12, V=12
2. 4+5=9, = 9
2. Check equation;
2. 2+2=4,
2. 7 + 4 = 11
=11
=4
13
3. 8+2=10,
Copyright © Swun Math
=10
3. 5+7=12, =12
4. 6+6=12, V=12
4. 3+1=4, = 4
5. 4+3=7, W=7
5. No, = 10
6. No, = 8
6.
Check equation; 9
Grade 1 Unit 10 Lesson 7 P TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Solve for the unknown in the following problems.
1.
V–7=3
V =
2.
–5=2
=
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 TE
/ 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 TE
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 TE
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 TE
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 TE
Directions: Solve for the unknown.
1. Eight toys got broken. Now there is 1 toy left. How many toys were there to begin with?
= 2. 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 TE
Name: ____________________________ Date: ______________________________
Directions: Solve for the unknown.
1.
V—8=4
V= 2.
—2=2
= 3.
—5=7
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
Directions: Solve for the unknown.
4.
—3=1
= 5. Does = 4? If not, solve for the unknown.
–7=3
= 10
Yes
No
= 6. Solve the following word problem. Three kittens got lost. Now there are 6 kittens left. How many kittens were there to begin with?
W=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 10 · Lesson 7
1
2
3
4
*
*
*
5
6
7
8
*
*
MC: 1.OA.1 Student Journal Pages
109-114
Today, I will solve subtraction problems with the start unknown.
Vocabulary
Teacher Resources
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
Considerations: Students need to be exposed to many ways to represent the unknown (empty box, letters, and symbols).
Steps: 1. Read the equation. 2. Solve for the unknown.
Application of MPs: Unknown Solve for the unknown:
6+3=9
MP2: What math symbol can you use today? MP6: How do you know your answers are correct? MP7: What steps help you solve the problems?
W= 9
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
Answer Key: I/M
SGP
1. 7+3=10, V=10
1. 2+4=6,
2. 5+2=7, =7
2. 4+8=12, W=12
=6
FCU
SP
CH
HW
1. 4+6=10, V=10
1. 3+3=6, =6
1. Check equation; 9
1. 8+4=12, V=12
2. 4+5=9, = 9
2. Check equation;
2. 2+2=4,
2. 7 + 4 = 11
=11
=4
13
3. 8+2=10,
Copyright © Swun Math
=10
3. 5+7=12, =12
4. 6+6=12, V=12
4. 3+1=4, = 4
5. 4+3=7, W=7
5. No, = 10
6. No, = 8
6.
Check equation; 9
Grade 1 Unit 10 Lesson 7 P TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Solve for the unknown in the following problems.
1.
V–7=3
V =
2.
–5=2
=
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 TE
/ 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 TE
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 TE
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 TE
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 TE
Directions: Solve for the unknown.
1. Eight toys got broken. Now there is 1 toy left. How many toys were there to begin with?
= 2. 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 TE
Name: ____________________________ Date: ______________________________
Directions: Solve for the unknown.
1.
V—8=4
V= 2.
—2=2
= 3.
—5=7
=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
Directions: Solve for the unknown.
4.
—3=1
= 5. Does = 4? If not, solve for the unknown.
–7=3
= 10
Yes
No
= 6. Solve the following word problem. Three kittens got lost. Now there are 6 kittens left. How many kittens were there to begin with?
W=
Copyright © Swun Math
Grade 1 Unit 10 Lesson 7 P TE
