🧮 Part 1: Draw and Decompose Numbers

1. Draw base-ten blocks for the number 347. Then write it as a sum of its parts.

347 = _______ + _______ + _______

2. Draw base-ten blocks for the number 825. Then write it as a sum of its parts.

825 = _______ + _______ + _______

3. Draw base-ten blocks for the number 1,156. Then write it as a sum of its parts.

1,156 = _______ + _______ + _______ + _______

🔢 Part 2: Multiple Ways to Break Apart Numbers

4. Show TWO different ways to break apart the number 456:

Way 1: 456 = _______ + _______ + _______

Way 2: 456 = _______ + _______ + _______

5. Show TWO different ways to break apart the number 739:

Way 1: 739 = _______ + _______ + _______

Way 2: 739 = _______ + _______ + _______

✏️ Part 3: Explain Your Thinking

6. Look at the number 682. Explain how you would break this number apart using place value.

7. Choose your own number between 500 and 1,200. Show how to decompose it and explain your work.

My number is: _______

My number = _______ + _______ + _______ + _______

🌟 Part 4: Challenge Problems

8. Advanced Challenge: Break apart 1,084 in THREE different ways:

Way 1: 1,084 = _______ + _______ + _______ + _______

Way 2: 1,084 = _______ + _______ + _______

Way 3: 1,084 = _______ + _______

9. Circle the correct decomposition of 567:

500 + 60 + 7

50 + 60 + 7

500 + 6 + 7

5 + 6 + 7

💭 Part 5: Reflection

10. Complete this sentence about what you learned today:

"Today I learned that numbers can be broken apart in many ways. I can show this by..."

11. Support Option: Use these sentence starters if you need help:

"I can use hundreds, tens, and ones to..."

"Drawing base-ten blocks helps me..."

"Place value means..."

"Numbers can be broken apart by..."

Number Decomposition Practice

Number Decomposition Practice

🧮 Part 1: Draw and Decompose Numbers

🔢 Part 2: Multiple Ways to Break Apart Numbers

✏️ Part 3: Explain Your Thinking

🌟 Part 4: Challenge Problems

💭 Part 5: Reflection

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