G1 U11 L13 TE
Applied MP
MPs * Embedded MP
Group Math Task Grade 1 · Unit 11 · Lesson 13
1
MC: 1.NBT.4, 1.NBT.6
2
3
4
5
* * *
6
7
* *
Student Journal Pages
(none)
Today, I will work in a small group to show understanding of mentally adding and subtracting 10.
Materials
One student recording sheet for each group.
One marker or crayon for each group.
Prep
The recording sheet is divided into four sections.
Example:
1
2
3
4
Check for Understanding
Are students able to collaborate in a small group?
Does the student work show an understanding of addition?
Does the student’s work show an understanding of subtraction?
Are students able to articulate their work?
Copyright © Swun Math
8
Grade 1 Unit 11 Lesson 13 GMT TE
Answer Key: VI 1.
HW 73
Sample Reponse: I looked at the tens number, 6, and I added 1 to make the
1.
100
See sample response.
number bigger by 10.
2. 85
2. 21
See sample response.
See sample response.
3. 24
3. 70
See sample response.
See sample response.
4. 61
4. 33
See sample response.
See sample response.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Verbal Instruction *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Teacher: With input and assistance from the group, students will work to show an understanding of mentally adding or subtracting 10.
Section 1 :
Instruct students to listen to the following instructions.
What number is 10 more than 63?
Explanation:
Section 2:
Instruct students to listen to the following instructions.
What number is 10 more than 75?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Verbal Instruction *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem.
Section 3 :
Instruct students to listen to the following instructions.
What number is 10 less than 34?
Explanation:
Section 4:
Instruct students to listen to the following instructions.
What number is 10 less than 71?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Group Presentation *MP3: Do you agree/disagree with what
said?
*MP6: How do you know your answers are correct/reasonable?
Sample Probing Questions
Tell me how your group proved the subtraction problems.
Tell me how your group proved the addition problems.
In your opinion, which problems were the most challenging?
What other way could be used to find a difference?
What other way could be used to find a sum?
Reflective Closure
Were most groups able to complete the tasks?
Were students able to work together as a group?
Were students able to verbalize the mathematical content and practice?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Name: ____________________________ Directions: Review.
Date: ______________________________
1. What number is 10 more than 90?
Explanation:
2. What number is 10 more than 11?
Explanation:
3. What number is 10 less than 80?
Explanation:
4. What number is 10 less than 43?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
MPs * Embedded MP
Group Math Task Grade 1 · Unit 11 · Lesson 13
1
MC: 1.NBT.4, 1.NBT.6
2
3
4
5
* * *
6
7
* *
Student Journal Pages
(none)
Today, I will work in a small group to show understanding of mentally adding and subtracting 10.
Materials
One student recording sheet for each group.
One marker or crayon for each group.
Prep
The recording sheet is divided into four sections.
Example:
1
2
3
4
Check for Understanding
Are students able to collaborate in a small group?
Does the student work show an understanding of addition?
Does the student’s work show an understanding of subtraction?
Are students able to articulate their work?
Copyright © Swun Math
8
Grade 1 Unit 11 Lesson 13 GMT TE
Answer Key: VI 1.
HW 73
Sample Reponse: I looked at the tens number, 6, and I added 1 to make the
1.
100
See sample response.
number bigger by 10.
2. 85
2. 21
See sample response.
See sample response.
3. 24
3. 70
See sample response.
See sample response.
4. 61
4. 33
See sample response.
See sample response.
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Verbal Instruction *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Teacher: With input and assistance from the group, students will work to show an understanding of mentally adding or subtracting 10.
Section 1 :
Instruct students to listen to the following instructions.
What number is 10 more than 63?
Explanation:
Section 2:
Instruct students to listen to the following instructions.
What number is 10 more than 75?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Verbal Instruction *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem.
Section 3 :
Instruct students to listen to the following instructions.
What number is 10 less than 34?
Explanation:
Section 4:
Instruct students to listen to the following instructions.
What number is 10 less than 71?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Group Presentation *MP3: Do you agree/disagree with what
said?
*MP6: How do you know your answers are correct/reasonable?
Sample Probing Questions
Tell me how your group proved the subtraction problems.
Tell me how your group proved the addition problems.
In your opinion, which problems were the most challenging?
What other way could be used to find a difference?
What other way could be used to find a sum?
Reflective Closure
Were most groups able to complete the tasks?
Were students able to work together as a group?
Were students able to verbalize the mathematical content and practice?
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
Name: ____________________________ Directions: Review.
Date: ______________________________
1. What number is 10 more than 90?
Explanation:
2. What number is 10 more than 11?
Explanation:
3. What number is 10 less than 80?
Explanation:
4. What number is 10 less than 43?
Explanation:
Copyright © Swun Math
Grade 1 Unit 11 Lesson 13 GMT TE
