G1 U9 L16 SJ
Applied MP
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 9 · Lesson 16
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MC: 1.OA.6
Today, I will subtract by decomposing a number leading to a ten.
Vocabulary Minuend: the first number Subtrahend: the second number Difference: the answer Ex. 9 — 4 = 5 9 is the minuend 4 is the subtrahend 5 is the difference
Steps 1. Point to the minuend. 2. Get to 10. How many jumps? 3. Say the number of jumps. 4. Keep counting and move to the left on the number line. 5. Stop when you get to the subtrahend. 6. Look at the number on the number line. 7. Circle your answer and record.
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
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Directions: Solve.
1. 14 — 9 =
0
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9
10
11 12 13 14 15 16 17 18 19 20
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10
11 12 13 14 15 16 17 18 19 20
2. 15 — 8 =
0
1
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 16 P SJ
Directions: Solve.
1. 16 — 7 =
0
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10
11 12 13 14 15 16 17 18 19 20
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10
11 12 13 14 15 16 17 18 19 20
2. 17 — 8 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
Name: ____________________________ Date: ______________________________
Directions: Solve.
1. 14 — 8 =
0
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9
10
11 12 13 14 15 16 17 18 19 20
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10
11 12 13 14 15 16 17 18 19 20
2. 15 — 6 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 13 P SJ
Directions: Solve.
3. 17 — 9 =
0
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9
10
11 12 13 14 15 16 17 18 19 20
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9
10
11 12 13 14 15 16 17 18 19 20
4. 13 — 9 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
Directions: Solve.
1. Which expression best represents this number line?
0
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9
10
16 — 5 — 4
11 12 13 14 15 16 17 18 19 20
15 — 5 — 4
2. Which expression best represents this number line?
0
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8
17 — 7 — 1
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10
11 12 13 14 15 16 17 18 19 20
16 — 6 — 3
*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: MP1: What information is given in the problem? MP5: What tool can you use to help you solve the problem? MP6: How can you use vocabulary from today’s lesson in your explana-
tion?
MP7: What concepts or rules help you solve this problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
MPs * Embedded MP
Procedural Lesson Grade 1 · Unit 9 · Lesson 16
1
2
*
3
4
5
6
*
* *
7
8
*
MC: 1.OA.6
Today, I will subtract by decomposing a number leading to a ten.
Vocabulary Minuend: the first number Subtrahend: the second number Difference: the answer Ex. 9 — 4 = 5 9 is the minuend 4 is the subtrahend 5 is the difference
Steps 1. Point to the minuend. 2. Get to 10. How many jumps? 3. Say the number of jumps. 4. Keep counting and move to the left on the number line. 5. Stop when you get to the subtrahend. 6. Look at the number on the number line. 7. Circle your answer and record.
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
/
Directions: Solve.
1. 14 — 9 =
0
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2. 15 — 8 =
0
1
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 16 P SJ
Directions: Solve.
1. 16 — 7 =
0
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2. 17 — 8 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
Name: ____________________________ Date: ______________________________
Directions: Solve.
1. 14 — 8 =
0
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2. 15 — 6 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 13 P SJ
Directions: Solve.
3. 17 — 9 =
0
1
2
3
4
5
6
7
8
9
10
11 12 13 14 15 16 17 18 19 20
2
3
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5
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7
8
9
10
11 12 13 14 15 16 17 18 19 20
4. 13 — 9 =
0
1
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
Directions: Solve.
1. Which expression best represents this number line?
0
1
2
3
4
5
6
7
8
9
10
16 — 5 — 4
11 12 13 14 15 16 17 18 19 20
15 — 5 — 4
2. Which expression best represents this number line?
0
1
2
3
4
5
6
7
8
17 — 7 — 1
9
10
11 12 13 14 15 16 17 18 19 20
16 — 6 — 3
*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: MP1: What information is given in the problem? MP5: What tool can you use to help you solve the problem? MP6: How can you use vocabulary from today’s lesson in your explana-
tion?
MP7: What concepts or rules help you solve this problem?
Copyright © Swun Math
Grade 1 Unit 9 Lesson 16 P SJ
