Vertical addition to 20, no regrouping
- Age
- Ages 6–7
Addition without regrouping worksheets
In addition without regrouping, each column totals less than ten. For 23 + 14, the ones give 3 + 4 = 7 and the tens give 2 + 1 = 3, making 37.
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In addition without regrouping, each column totals less than ten. For 23 + 14, the ones give 3 + 4 = 7 and the tens give 2 + 1 = 3, making 37. Check it with 20 + 10 + 3 + 4.
What to check
Align the ones even when one addend has fewer digits. Distinguish this format from regrouping: 28 + 17 needs an exchange because 8 + 7 is greater than nine.
Explain and check
Work through one example aloud before independent practice. To check 18 + 7 = 25, calculate 25 − 7. If a word problem asks about meters or coins, include that unit and check whether the answer fits the situation.