1st grade adding three numbers worksheets
Your child adds three small numbers in a row, like 4 + 6 + 3, looking for pairs that make 10 to keep the sum easy.
Common Core 1.OA.B.3 (Operations and Algebraic Thinking)
Sample problems
- Sample 14 + 2 + 2 = ?
Answer: 8
- Sample 25 + 3 + 1 = ?
Answer: 9
- A bit harder4 + 6 + 4 = ?
Answer: 14
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