Class 2 maths · D.2 · Add and Subtract to 100
Add two-digit numbers with regrouping
Add the ones. If they make ten or more, regroup a ten.
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25 + 15 =
Answer: 40
14 + 18 =
Answer: 32
29 + 14 =
Answer: 43
Tip: Add the ones. If they make ten or more, regroup a ten.
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Up next
- Next in this topic Subtract two-digit numbers within 100 Class 2
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Curriculum
Common Core: 2.NBT.B.5
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