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Number Partitioning Worksheet

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Number Partitioning Worksheet worksheet preview
Number Partitioning Worksheet

Number Partitioning Worksheet

Number partitioning illustration with counters and ten-frame

🔢 Part 1: Picture Partitioning

1. Look at the groups of stars. Fill in the number sentence.

⭐⭐⭐⭐ ⭐⭐⭐

____ + ____ = 7

2. Look at the groups of circles. Fill in the number sentence.

⚫⚫⚫⚫⚫ ⚫⚫⚫⚫⚫

____ + ____ = 10

3. Look at the groups of hearts. Fill in the number sentence.

❤️❤️❤️ ❤️❤️❤️❤️❤️❤️

____ + ____ = 9

🧮 Part 2: Complete the Number Sentences

4. Fill in the missing numbers to make each number sentence correct.

a) 3 + ____ = 8

b) ____ + 2 = 6

c) 1 + ____ = 5

d) ____ + 4 = 7

5. Complete these partitions for the number 10.

a) 6 + ____ = 10

b) ____ + 3 = 10

c) 8 + ____ = 10

d) ____ + 5 = 10

🎨 Part 3: Draw and Partition

6. Draw 8 dots in the box below. Then circle them to show two different groups. Write the number sentence.

____ + ____ = 8

7. Draw 6 triangles in the box below. Group them in two different ways and write the number sentence.

____ + ____ = 6

🤔 Part 4: Multiple Choice

8. Which number sentence shows a way to partition 9?

4 + 6 = 10

5 + 4 = 9

3 + 4 = 7

9. Which of these are correct ways to partition 7? (Check all that apply)

2 + 5 = 7

3 + 3 = 7

6 + 1 = 7

4 + 4 = 7

🏠 Part 5: Part-Part-Whole Houses

10. Fill in the missing numbers in these part-part-whole diagrams.

House 1: The whole number is 5

Part 1: 2 Part 2: ____

Number sentence: 2 + ____ = 5

House 2: The whole number is 8

Part 1: ____ Part 2: 3

Number sentence: ____ + 3 = 8

House 3: The whole number is 4

Part 1: 1 Part 2: ____

Number sentence: 1 + ____ = 4

✏️ Part 6: Show Your Thinking

11. Show three different ways to partition the number 6. Draw pictures or write number sentences.
12. Explain in your own words what partitioning means.

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