Addition without Regrouping Quiz
About this quiz
Add 2-, 3-, or 4-digit numbers where no column adds up to 10 or more, so nothing needs to be carried.
- 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
42 + 35 = 77
Ones: 2 + 5 = 7. Tens: 4 + 3 = 7. No column reaches 10.
Tip: Add the ones first, then the tens, then the hundreds.
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