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Look at the Example. Then solve.
Lesson 8
©Curriculum Associates, LLC Copying is not permitted. 67Lesson 8 Number Partners for 8 and 9
Number Partners for 8 and 9 Name
Example
Use the row of 8 squares What are two ways to make 8?
1 Use the rows of squares Write ways to make 8
2 Use the addition facts in Problem 1 Complete the subtraction facts below
8 2 2 5 8 2 5 3
1 gray square and 7 white squares
1 1 5 8 1 1 5 87 7
1 1 5 8 1 1 5 8
2 1 5 8 1 2 5 8
3 1 5 8 1 3 5 8
4 1 5 8
©Curriculum Associates, LLC Copying is not permitted.68 Lesson 8 Number Partners for 8 and 9
3 Color to show ways to make 8 Complete the number sentences
4 Use the addition facts in Problem 3 Write four subtraction facts
8 2 5 8 2 5
8 2 5 8 2 5
5 Who is right? Circle
Boom writes: 3 1 5 5 8
Buzz writes: 3 5 8 2 5
8 5 1 7 8 5 7 1
8 5 1 6 8 5 6 1
8 5 1 5 8 5 5 1
8 5 1 4
1 1
Name
Look at the Example. Then solve.Look at the Example. Then solve.
Lesson 8
©Curriculum Associates, LLC Copying is not permitted. 69Lesson 8 Number Partners for 8 and 9
Example
Use the row of 9 squares What are two ways to make 9?
1 Use the rows of squares Write ways to make 9
2 Use the addition facts in Problem 1 Complete the subtraction facts below
9 2 3 5 9 2 5 4
1 gray square and 8 white squares
1 1 5 9 8 1 5 98 1
1 1 5 9 8 1 5 9
2 1 5 9 7 1 5 9
3 1 5 9 6 1 5 9
4 1 5 9 5 1 5 9
©Curriculum Associates, LLC Copying is not permitted.70 Lesson 8 Number Partners for 8 and 9
3 Color 2 squares. Then complete the addition sentences.
2 1 5 9 1 2 5 9
4 Color 5 squares. Then complete the addition sentences.
5 1 5 9 1 5 5 9
5 Color 3 squares. Then complete the addition sentences.
3 1 5 9 1 3 5 9
6 Complete the number bond. Then write two addition sentences.
1 0 5 9
9 0 1 9 5 9
Name
Look at the Example. Then solve.Look at the Example. Then solve.
Lesson 8
©Curriculum Associates, LLC Copying is not permitted. 71Lesson 8 Number Partners for 8 and 9
Example Write four number sentences
93
6
1 Write two addition sentences
28
1
1 5 8
1 5 8
2 Write two subtraction sentences
68
7
8 2 5
8 2 5
9 5 1
9 5 1
9 2 5
9 2 5
6363
3636
7
1
©Curriculum Associates, LLC Copying is not permitted.72 Lesson 8 Number Partners for 8 and 9
3 Complete the number bond Write two subtraction sentences
5
9
1
5 9 2
9 2 5
4 Complete the number bond Write four number sentences
29
4
1 5 9
9 5 1
2 5 4
5 9 2
5 Complete the number bond Write four number sentences
3 ?
8
8 5 1
8 5 1
8 2 5
8 2 5