G2 U10 L6 TE

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Applied MP

MPs * Embedded MP

Procedural Lesson Grade 2 · Unit 10· Lesson 6

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MC: 2.OA.4 Student Journal Pages

67-72

Today, I will draw arrays and write an addition equation to find the total amount represented.

Vocabulary

Teacher Resources

Array: an arrangement of objects in rows and columns example:

x x x

x x x

x x x

x x x

Considerations: In this lesson, students will continue working with arrays using manipulatives and drawings.

Steps: 1. Draw an array with the given number of rows and columns. 2. Write an addition equation to show the total number of manipulatives.

4 + 4 + 4 = 12 Application of MPs:  MP2: What does your model represent?  MP3: How does your model support your answer?  MP7: Where can you see a pattern?  MP8: Can you see any repetition in your work?

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Grade 2 Unit 10 Lesson 6 P TE

Answer Key: I/M

SGP

FCU

SP

CH

HW

1. 0000 0000 4+4=8

1. 00 00

1. 000 000

1. 000 000 000 000 3 + 3 + 3 + 3 = 12

2. Answers will vary. Sample answer: 0000000000 0000000000 0000000000 0000000000 0000000000

1. 00 00 00 00 00 2 + 2 + 2 + 2 + 2 = 10

2. Answers will vary. Sample answer:

2. Answers will vary. Sample answer:

2. Answers will vary. Sample answer:

2. 10 + 10 + 10 + 10 + 10 = 50

2. Answers will vary; example is given 000 000 000 000 000 3 + 3 + 3 + 3 + 3 = 15

000 000 000 000 000 3 + 3 + 3 + 3 + 3 = 15

2+2=4

0000 0000 0000 4 + 4 + 4 = 12

3+3=6

2. Answers will vary. Sample answer: 000000 000000 000000 000000 6 + 6 + 6 + 6 = 24

00000 00000 5 + 5 =10

3. 0000 0000 0000 0000 0000 4 + 4 + 4 + 4 + 4 = 20

3. Answers will vary; example is given 000 000 000 3+3+3=9

4. Answers will vary. Sample answer: 000 000 000 000 000 3 + 3 + 3 + 3 + 3 = 15

4. 0000 0000 0000 4 + 4 + 4 = 12

5. 0000 0000 4+4=8

5. 0000 0000

6. Answers will vary. Sample answer: 000 000 3+3=6

6. Answers will vary; example is given 00000 00000 00000 00000 00000 5 + 5 + 5 + 5 + 5 = 25 7. 00000 00000 8. 000 000

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4+4=8

5 + 5 = 10

3+3=6

Grade 2 Unit 10 Lesson 6 P TE

/ *MP1: Make sense of the problem and persevere in solving it! *MP8: Find a strategy to help solve the problem. Directions: Solve the problems.

1. Draw an array with:   

2 rows 4 columns

Write an addition equation to find the sum of the objects in the rows.

2. Create an array with a total of 15 objects. Write an equation for the array.

 MP2: What does your model represent?  MP3: How does your model support your answer?

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE

/ Directions: Solve the problems.

1. Draw an array with:   

2 rows 2 columns

Write an addition equation to find the sum of the objects in the rows.

2. Create an array with a total of 12 objects. Write an equation for the array.

 MP7: Where did you see a pattern?  MP8: Did you see any repetition in your work?

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE

/ Directions: Solve the problems.

1. Draw an array with:   

2 rows 3 columns

Write an addition equation to find the sum of the objects in the rows.

2. Create an array with a total of 24 objects. Write an equation for the array.

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Grade 2 Unit 10 Lesson 6 P TE

Name: ____________________________ Directions: Solve.

1. Draw an array with: 

4 rows



3 columns

Date: ______________________________

2. Create an array with a total of 10 objects. Write an equation for the array.

Write an addition equation to find the sum of the objects in the rows.

3. Draw an array with: 

5 rows



4 columns

4. Create an array with a total of 15 objects. Write an equation for the array.

Write an addition equation to find the sum of the objects in the rows.

5. Draw an array with: 

2 rows



4 columns

6. Create an array with a total of 6 objects. Write an equation for the array.

Write an addition equation to find the sum of the objects in the rows.

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Grade 2 Unit 10 Lesson 6 P TE

1. Make an array that has a total of 50 objects.

2. Write an addition equation represented by the array created in the previous problem.

Extension

*MP4: How can you relate this to something in real life?

Create an array and have a partner write the addition equation represented by the array.

Reaching Consensus

*MP3: Do you agree/disagree with what

said?

Student Presentations

*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 did your model represent? MP3: How did your model support your answer? MP7: Where did you see a pattern? MP8: Did you see any repetition in your work?

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE

Name: ____________________________ Date: ______________________________

Directions: Solve the problems.

1. Draw an array with: 

5 rows



2 columns

2. Create an array with a total of 15 objects. Write an equation for the array.

Write an addition equation to find the sum of the objects in the rows.

3. Create an array with a total of 9 objects. Write an equation for the array.

4. Draw an array with: 

3 rows



4 columns

Write an addition equation to find the sum of the objects in the rows.

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE

Directions: Solve the problems.

5. Draw an array with: 

2 rows



4 columns

6. Create an array with a total of 25 objects. Write an equation for the array.

Write an addition equation to find the sum of the objects in the rows.

7. Create an array with a total of 10 objects. Write an equation for the array.

8. Draw an array with: 

2 rows



3 columns

Write an addition equation to find the sum of the objects in the rows.

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE

Copyright © Swun Math

Grade 2 Unit 10 Lesson 6 P TE