Addition with Regrouping (Carrying) Quiz
About this quiz
Add 2-, 3-, or 4-digit numbers where at least one column adds up to 10 or more, so you carry to the next place.
- Choose 2-, 3-, or 4-digit numbers, and whether 0 can appear.
- Answer 10, 20, or 30 flash cards, one at a time, while a timer runs.
- At the end, review your score, time, and every mistake, then practice just the cards you missed.
- For Grades 2–4 · Common Core 2.NBT.B.5, 2.NBT.B.7, 4.NBT.B.4
Worked example
47 + 38 = 85
Ones: 7 + 8 = 15, so write 5 and carry 1 ten. Tens: 4 + 3 + 1 = 8.
Tip: Write the carried 1 above the next column so you remember to add it.
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