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Compensation Strategy Addition Worksheet

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Compensation Strategy Addition Worksheet worksheet preview

Compensation Strategy Addition Worksheet

Base-10 blocks illustration

🎯 WALT: We Are Learning To use compensation strategy for addition

Success Criteria:

I can round numbers to the nearest ten or hundred

I can add rounded numbers mentally

I can compensate by adjusting my answer

I can check my answer using different methods

Instructions: The compensation strategy helps us add by rounding numbers first, then adjusting our answer. Follow these steps: Round → Add → Compensate → Check

📊 Part 1: Guided Practice with Base-10 Materials

1. Let's solve 47 + 29 using compensation strategy:

Step 1: Round 29 to the nearest ten: 29 rounds to _____

Step 2: Add the rounded numbers: 47 + _____ = _____

Step 3: Compensate (adjust): You added _____ too much, so subtract _____

Step 4: Final answer: _____ - _____ = _____

2. Now try 156 + 98:

Step 1: Round 98 to the nearest hundred: 98 rounds to _____

Step 2: Add: 156 + _____ = _____

Step 3: Compensate: You added _____ too much, so subtract _____

Step 4: Final answer: _____ - _____ = _____

3. Choose your rounding strategy for 83 + 67:

Round 67 to 70 (nearest ten)

Round 83 to 80 (nearest ten)

Round 67 to 100 (nearest hundred)

Show your working:

🌟 Part 2: Independent Practice & Word Problems

4. Solve using compensation strategy: 124 + 89
5. At the school fair, Class 5A raised $178 and Class 5B raised $95. How much did they raise altogether?

Show your compensation strategy:

Answer: They raised $_______ altogether.

6. A library has 267 fiction books and 148 non-fiction books. How many books is this in total?

Answer: _______________ books

7. Extension Challenge: Try this three-number addition: 87 + 45 + 29

Hint: Use compensation strategy twice, or group numbers strategically.

8. Reflection: When is the compensation strategy most helpful? Explain in one sentence.

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