Two-Digit Addition with Regrouping
Practice adding two-digit numbers with regrouping, a key skill for Grade 3 math.
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Two-Digit Addition with Regrouping
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Read each problem carefully and solve it. Remember to regroup when the sum of the ones place is 10 or more.
1. 27 + 15 =
2. 38 + 24 =
3. 46 + 18 =
4. 59 + 33 =
5. Sarah has 19 red balloons and 13 blue balloons. How many balloons does she have in total?
6. A baker made 35 chocolate chip cookies and 27 oatmeal cookies. How many cookies did the baker make altogether?
7. Which sum is correct for 45 + 26?
61
71
70
60
8. When adding 15 + 17, you need to regroup the ones.
True
False
9. Explain in your own words why we regroup in addition.
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