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Partitioning Numbers Worksheet

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Partitioning Numbers Worksheet worksheet preview

Partitioning Numbers Worksheet

Base ten blocks showing tens and ones

📊 Part 1: Breaking Numbers into Tens and Ones

1. Partition the number 45 into tens and ones.

45 = _____ tens + _____ ones

45 = _____ + _____

2. Look at the number 73. Complete the part-part-whole diagram.

Write the number sentence: 73 = _____ + _____

3. Which shows the correct way to partition 86?

86 = 80 + 6

86 = 8 + 6

86 = 70 + 16

86 = 60 + 26

4. Complete these partitions:

a) 52 = _____ + _____

b) 67 = _____ + _____

c) 94 = _____ + _____

d) 38 = _____ + _____

🔄 Part 2: Addition and Subtraction Connections

5. If 59 = 50 + 9, then:

59 - 50 = _____

59 - 9 = _____

6. Use partitioning to solve these problems. Show your working.

a) 34 + 25 = ?

Break down: 34 = _____ + _____ and 25 = _____ + _____

Answer: _____

7. Choose all the correct partitions for the number 76:

70 + 6

60 + 16

50 + 26

7 + 6

🎯 Part 3: Problem Solving

8. Sarah has 84 stickers. She wants to organise them into groups of tens and leftover ones. Draw or explain how many groups of ten she can make and how many single stickers will be left over.
9. Complete this pattern by partitioning each number:

23 = 20 + 3

33 = _____ + _____

43 = _____ + _____

53 = _____ + _____

10. Challenge: Partition the number 127 into hundreds, tens, and ones.

127 = _____ hundred + _____ tens + _____ ones

127 = _____ + _____ + _____

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