G1 U9 L12 TE
Applied MP
MPs * Embedded MP
Conceptual Lesson Grade 1 · Unit 9 · Lesson 12
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MC: 1.OA.6 Student Journal Pages
53-56
Today, I will get to 10 from a given number.
Vocabulary Number line:
Teacher Resources Considerations:
This lesson represents a skill necessary for the strategy of decomposing a number leading to 10. (1.OA.6) Using a number line helps students visualize getting to 10. Once students understand, it may not always be necessary to use a number line to determine how many jumps it takes to get to 10.
Note the number lines in this lesson start at 10. Explain to students that number lines go on forever, and the section between 10 and 19 is used here because it matches the what is being studied.
Steps: 1. 2. 3. 4.
Point to the given number on the number line. Point to 10 on the number line. Count how many jumps it takes to get to 10. Record your answer.
Application of MPs: MP5: What tool can you use to help you solve the problem? MP7: What concepts or rules help you solve this problem? MP8: What strategies can you use to help solve the problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Answer Key: I/M
SGP
FCU
HW
1. 6
1. 8
1. 3
1. Check dots in base ten frames.
2. 4
2. 5
2. 9
8+4=
8+2+2
8+4=
10 + 2
8+4=
12
2. Check dots in base ten frames. 6+5=
6+4+1
6+5=
10 + 1
6+5=
11
2. Check dots in base ten frames. 7+5=
7+3+2
7+5=
10 + 2
7+5=
12
4. No
Copyright © Swun Math
9+9=
9+1+8
9+9=
10 + 8
9+9=
18
Grade 1 Unit 9 Lesson 12 C TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Model on a number line.
1. Get to 10 from 16.
State the objective: Today I will subtract to get to 10.
Point to the given number (16) on the number line.
Point to 10 on the number line.
Count how many jumps it takes to get from 16 to 10.
Write the answer.
10
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12
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14
15
16
17
18
19
17
18
19
6 2. Get to 10 from 14.
State the objective: Today I will subtract to get to 10.
Point to the given number (14) on the number line.
Point to 10 on the number line.
Count how many jumps it takes to get from 14 to 10.
Write the answer.
10
11
12
13
14
15
16
4
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
/
Directions: Each pair of students needs a number line and a white board.
1. Get to 10 from 18.
State the objective: Today I will subtract to get to 10.
Partner A points to the given number on the number line.
Partner B points to 10 on the number line.
Together, the partners count how many jumps it takes to get from 18 to 10.
Partners write the answer.
10
11
12
13
14
15
16
17
18
19
2. Get to 10 from 15.
State the objective: Today I will subtract to get to 10.
Partner B points to the given number on the number line.
Partner A points to 10 on the number line.
Together, the partners count how many jumps it takes to get from 15 to 10.
Partners write the answer.
10
Copyright © Swun Math
11
12
13
14
15
16
17
18
19
Grade 1 Unit 9 Lesson 12 C TE
Directions: Solve
1. Get to 10 from 13.
10
11
12
13
14
15
16
17
18
19
2. Get to 10 from 19.
10
11
12
13
14
15
16
17
*MP3: Do you agree/disagree with what
18
19
said?
*MP6: How do you know your answers are correct/reasonable?
Recap today’s lesson with one or more of the following MP questions: MP5: What tool did you use to help you solve the problem? MP7: What concepts or rules help you solve this problem? MP8: What strategies did you use to help solve the problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Name: ____________________________ Directions: Use the base 10 frames to break apart a number to make 10 and find a sum.
Date: ______________________________
1.
8+4=
8+4= 8+4= 8+4= 2.
6+5=
6+5= 6+5= 6+5=
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Directions: Use the base 10 frames to break apart a number to make 10 and find a sum.
3.
7+5=
7+5= 7+5= 7+5= 4. Does 9 + 9 = 19? Use the base 10 frames to prove your answer.
9+9= Yes No
9+9= 9+9= 9+9= Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
MPs * Embedded MP
Conceptual Lesson Grade 1 · Unit 9 · Lesson 12
1
*
2
3
*
4
5
6
7
8
*
*
MC: 1.OA.6 Student Journal Pages
53-56
Today, I will get to 10 from a given number.
Vocabulary Number line:
Teacher Resources Considerations:
This lesson represents a skill necessary for the strategy of decomposing a number leading to 10. (1.OA.6) Using a number line helps students visualize getting to 10. Once students understand, it may not always be necessary to use a number line to determine how many jumps it takes to get to 10.
Note the number lines in this lesson start at 10. Explain to students that number lines go on forever, and the section between 10 and 19 is used here because it matches the what is being studied.
Steps: 1. 2. 3. 4.
Point to the given number on the number line. Point to 10 on the number line. Count how many jumps it takes to get to 10. Record your answer.
Application of MPs: MP5: What tool can you use to help you solve the problem? MP7: What concepts or rules help you solve this problem? MP8: What strategies can you use to help solve the problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Answer Key: I/M
SGP
FCU
HW
1. 6
1. 8
1. 3
1. Check dots in base ten frames.
2. 4
2. 5
2. 9
8+4=
8+2+2
8+4=
10 + 2
8+4=
12
2. Check dots in base ten frames. 6+5=
6+4+1
6+5=
10 + 1
6+5=
11
2. Check dots in base ten frames. 7+5=
7+3+2
7+5=
10 + 2
7+5=
12
4. No
Copyright © Swun Math
9+9=
9+1+8
9+9=
10 + 8
9+9=
18
Grade 1 Unit 9 Lesson 12 C TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Model on a number line.
1. Get to 10 from 16.
State the objective: Today I will subtract to get to 10.
Point to the given number (16) on the number line.
Point to 10 on the number line.
Count how many jumps it takes to get from 16 to 10.
Write the answer.
10
11
12
13
14
15
16
17
18
19
17
18
19
6 2. Get to 10 from 14.
State the objective: Today I will subtract to get to 10.
Point to the given number (14) on the number line.
Point to 10 on the number line.
Count how many jumps it takes to get from 14 to 10.
Write the answer.
10
11
12
13
14
15
16
4
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
/
Directions: Each pair of students needs a number line and a white board.
1. Get to 10 from 18.
State the objective: Today I will subtract to get to 10.
Partner A points to the given number on the number line.
Partner B points to 10 on the number line.
Together, the partners count how many jumps it takes to get from 18 to 10.
Partners write the answer.
10
11
12
13
14
15
16
17
18
19
2. Get to 10 from 15.
State the objective: Today I will subtract to get to 10.
Partner B points to the given number on the number line.
Partner A points to 10 on the number line.
Together, the partners count how many jumps it takes to get from 15 to 10.
Partners write the answer.
10
Copyright © Swun Math
11
12
13
14
15
16
17
18
19
Grade 1 Unit 9 Lesson 12 C TE
Directions: Solve
1. Get to 10 from 13.
10
11
12
13
14
15
16
17
18
19
2. Get to 10 from 19.
10
11
12
13
14
15
16
17
*MP3: Do you agree/disagree with what
18
19
said?
*MP6: How do you know your answers are correct/reasonable?
Recap today’s lesson with one or more of the following MP questions: MP5: What tool did you use to help you solve the problem? MP7: What concepts or rules help you solve this problem? MP8: What strategies did you use to help solve the problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Name: ____________________________ Directions: Use the base 10 frames to break apart a number to make 10 and find a sum.
Date: ______________________________
1.
8+4=
8+4= 8+4= 8+4= 2.
6+5=
6+5= 6+5= 6+5=
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Directions: Use the base 10 frames to break apart a number to make 10 and find a sum.
3.
7+5=
7+5= 7+5= 7+5= 4. Does 9 + 9 = 19? Use the base 10 frames to prove your answer.
9+9= Yes No
9+9= 9+9= 9+9= Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
Copyright © Swun Math
Grade 1 Unit 9 Lesson 12 C TE
