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Tens and Ones Addition

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Tens and Ones Addition worksheet preview

Tens and Ones Addition

Base ten blocks illustration

📊 Part 1: Break Apart and Add

Instructions: Break each number into tens and ones, then add.

1. 23 + 14 = ____

23 = ____ tens + ____ ones

14 = ____ tens + ____ ones

Add the tens: ____ + ____ = ____

Add the ones: ____ + ____ = ____

Total: ____ tens + ____ ones = ____

2. 35 + 22 = ____

35 = ____ tens + ____ ones

22 = ____ tens + ____ ones

Add the tens: ____ + ____ = ____

Add the ones: ____ + ____ = ____

Total: ____ tens + ____ ones = ____

3. 41 + 16 = ____

41 = ____ tens + ____ ones

16 = ____ tens + ____ ones

Add the tens: ____ + ____ = ____

Add the ones: ____ + ____ = ____

Total: ____ tens + ____ ones = ____

🔄 Part 2: Addition with Regrouping

Instructions: When ones add up to 10 or more, regroup to make a new ten!

4. 27 + 15 = ____

27 = ____ tens + ____ ones

15 = ____ tens + ____ ones

Add the ones: ____ + ____ = ____ ones

Regroup: ____ ones = ____ ten + ____ ones

Add the tens: ____ + ____ + ____ = ____ tens

Final answer: ____ tens + ____ ones = ____

5. 38 + 24 = ____

38 = ____ tens + ____ ones

24 = ____ tens + ____ ones

Add the ones: ____ + ____ = ____ ones

Regroup: ____ ones = ____ ten + ____ ones

Add the tens: ____ + ____ + ____ = ____ tens

Final answer: ____ tens + ____ ones = ____

6. 46 + 37 = ____

46 = ____ tens + ____ ones

37 = ____ tens + ____ ones

Add the ones: ____ + ____ = ____ ones

Regroup: ____ ones = ____ ten + ____ ones

Add the tens: ____ + ____ + ____ = ____ tens

Final answer: ____ tens + ____ ones = ____

🎯 Part 3: Choose Your Strategy

Instructions: Solve each problem. Circle whether you needed to regroup or not.

7. 52 + 31 = ____

Did you need to regroup? YES or NO (circle one)

8. 29 + 18 = ____

Did you need to regroup? YES or NO (circle one)

9. 64 + 25 = ____

Did you need to regroup? YES or NO (circle one)

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