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Partitioning Numbers Worksheet

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Partitioning Numbers Worksheet worksheet preview

Partitioning Numbers Worksheet

Base-ten blocks illustration

📊 Part 1: Breaking Numbers Apart

1. Partition the number 245. Fill in the blanks:

245 = _____ hundreds + _____ tens + _____ ones

245 = _____ + _____ + _____

2. Show 367 in two different ways:

Way 1: 367 = _____ hundreds + _____ tens + _____ ones

Way 2: 367 = _____ tens + _____ ones

3. Circle the correct partition for 428:

4 + 2 + 8

400 + 20 + 8

40 + 28

4. What number is shown by this partition?

600 + 30 + 7 = _______

5. Complete the partition for 504:

504 = _____ hundreds + _____ tens + _____ ones

Why is the zero important in this number?

🔢 Part 2: The Role of Zero

6. Look at these numbers. Tick all the ones that have zero in the tens place:

203

320

405

506

7. What's the difference between these numbers?

230 = _____ hundreds + _____ tens + _____ ones

203 = _____ hundreds + _____ tens + _____ ones

Explain the difference: ________________________________

8. Circle the number that matches this partition:

7 hundreds + 0 tens + 9 ones

790

709

079

✏️ Part 3: Your Turn to Partition

9. Choose your own 3-digit number and partition it in two different ways:

My number: _______

Way 1: _____ + _____ + _____

Way 2: _____ + _____

10. Draw or describe how you would use blocks to show the number 342:
11. Explain why partitioning numbers is helpful when adding or subtracting:

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