G1 U11 L9 TE
Applied MP
MPs * Embedded MP
Conceptual Lesson Grade 1 · Unit 11 · Lesson 9
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2
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3
4
5
6
7
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MC: 1.NBT.5 Student Journal Pages
219-222
used.
Today, I will mentally find ten more and explain the reasoning I
Vocabulary Mentally Find Ten More: What is 10 more than 43? 53 Explanation: The number in the tens place increases 1 more to make 10 more.
Teacher Resources Considerations: In this lesson, students will focus on how to mentally find 10 more than a number without counting. They must be able to explain the reasoning they used to get the answer.
Steps: 1. Find ten more in your head. 2. Explain your answer.
Application of MPs: MP2: What is another way to solve this type of problem? MP7: Can you see a pattern in today’s lesson? MP8: Can you use any shortcuts to solve the problems?
Copyright © Swun Math
8
Grade 1 Unit 11 Lesson 9 C TE
Answer Key: I/M
SGP
FCU
HW
1.
1. 96, check explanation.
1. 88, check explanation.
1. No, because the shares are not equal/
64 Explanation: The number
same size.
in the tens place increases one more to make 10 more. 64 is 10 more than 54.
2. 29 Explanation: The number
2. 55, check explanation.
2. 42, check explanation.
2. Yes, because the shares are equal/same size. 2.
in the tens place increases one more to make 10 more. 29 is 10 more than 19. 3. Yes, because the shares are equal/same size. 4.
4. No, because the shares are not equal/ same size.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Mentally find ten more and explain the reasoning used.
1.
State the objective: Today I will mentally find ten more and explain the reasoning I used.
What number is 10 more than 54?
Emphasize that since it is 10 more, students must determine which digit is in the tens place and increase it by one. This increases the entire number by 10.
Explain the 5 is in the tens place in 54. So to increase this number by 10, the 5 has to be increased to a 6 to make the number 10 more.
Record the answer of 64 and the explanation of the reasoning used to find 10 more.
What number is 10 more than 54?
64
Explanation: The number in the tens place increases one more to make 10 more. 64 is 10 more than 54.
2.
Restate the objective: Today I will mentally find ten more and explain the reasoning I used.
What number is 10 more than 19?
Emphasize that since it is 10 more, students must determine which digit is in the tens place and increase it by one. This increases the entire number by 10.
Explain the 1 is in the tens place in 19. So to increase this number by 10, the 1 has to be increased to a 2 to make the number 10 more.
Record the answer of 29 and the explanation of the reasoning used to find 10 more.
What number is 10 more than 19?
29
Explanation: The number in the tens place increases one more to make 10 more. 29 is 10 more than 19.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
/ Directions: Mentally find ten more and explain the reasoning used.
1.
Restate the objective.
Direct students to mentally find ten more than 86 and explain the reasoning used.
What number is 10 more than 86? Explanation:
2.
Restate the objective.
Direct students to mentally find ten more than 45 and explain the reasoning used.
What number is 10 more than 45? Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Directions: Mentally find ten more and explain the reasoning used.
1. What number is 10 more than 78? Explanation:
2. What number is 10 more than 32? Explanation:
*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 is another way to solve this type of problem? MP7: Did you see a pattern in today’s lesson? MP8: Did you use any shortcuts to solve the problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Name: ____________________________ Date: ______________________________
Directions: Identify equal shares. Explain your thinking.
1. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
2. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Directions: Identify equal shares. Explain your thinking.
3. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
4. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
MPs * Embedded MP
Conceptual Lesson Grade 1 · Unit 11 · Lesson 9
1
2
*
3
4
5
6
7
*
MC: 1.NBT.5 Student Journal Pages
219-222
used.
Today, I will mentally find ten more and explain the reasoning I
Vocabulary Mentally Find Ten More: What is 10 more than 43? 53 Explanation: The number in the tens place increases 1 more to make 10 more.
Teacher Resources Considerations: In this lesson, students will focus on how to mentally find 10 more than a number without counting. They must be able to explain the reasoning they used to get the answer.
Steps: 1. Find ten more in your head. 2. Explain your answer.
Application of MPs: MP2: What is another way to solve this type of problem? MP7: Can you see a pattern in today’s lesson? MP8: Can you use any shortcuts to solve the problems?
Copyright © Swun Math
8
Grade 1 Unit 11 Lesson 9 C TE
Answer Key: I/M
SGP
FCU
HW
1.
1. 96, check explanation.
1. 88, check explanation.
1. No, because the shares are not equal/
64 Explanation: The number
same size.
in the tens place increases one more to make 10 more. 64 is 10 more than 54.
2. 29 Explanation: The number
2. 55, check explanation.
2. 42, check explanation.
2. Yes, because the shares are equal/same size. 2.
in the tens place increases one more to make 10 more. 29 is 10 more than 19. 3. Yes, because the shares are equal/same size. 4.
4. No, because the shares are not equal/ same size.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Mentally find ten more and explain the reasoning used.
1.
State the objective: Today I will mentally find ten more and explain the reasoning I used.
What number is 10 more than 54?
Emphasize that since it is 10 more, students must determine which digit is in the tens place and increase it by one. This increases the entire number by 10.
Explain the 5 is in the tens place in 54. So to increase this number by 10, the 5 has to be increased to a 6 to make the number 10 more.
Record the answer of 64 and the explanation of the reasoning used to find 10 more.
What number is 10 more than 54?
64
Explanation: The number in the tens place increases one more to make 10 more. 64 is 10 more than 54.
2.
Restate the objective: Today I will mentally find ten more and explain the reasoning I used.
What number is 10 more than 19?
Emphasize that since it is 10 more, students must determine which digit is in the tens place and increase it by one. This increases the entire number by 10.
Explain the 1 is in the tens place in 19. So to increase this number by 10, the 1 has to be increased to a 2 to make the number 10 more.
Record the answer of 29 and the explanation of the reasoning used to find 10 more.
What number is 10 more than 19?
29
Explanation: The number in the tens place increases one more to make 10 more. 29 is 10 more than 19.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
/ Directions: Mentally find ten more and explain the reasoning used.
1.
Restate the objective.
Direct students to mentally find ten more than 86 and explain the reasoning used.
What number is 10 more than 86? Explanation:
2.
Restate the objective.
Direct students to mentally find ten more than 45 and explain the reasoning used.
What number is 10 more than 45? Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Directions: Mentally find ten more and explain the reasoning used.
1. What number is 10 more than 78? Explanation:
2. What number is 10 more than 32? Explanation:
*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 is another way to solve this type of problem? MP7: Did you see a pattern in today’s lesson? MP8: Did you use any shortcuts to solve the problems?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Name: ____________________________ Date: ______________________________
Directions: Identify equal shares. Explain your thinking.
1. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
2. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Directions: Identify equal shares. Explain your thinking.
3. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
4. Look at the shape. Is it divided into equal shares? Yes
No
How do you know?
If so, how many equal shares are there?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
Copyright © Swun Math
Grade 1 Unit 11 Lesson 9 C TE
