1st grade 10 more and 10 less worksheets
Your child finds the number that is 10 more or 10 less than a two-digit number in their head, seeing that only the tens digit changes.
Common Core 1.NBT.C.5 (Number and Operations in Base Ten)
Sample problems
- Sample 1What is 10 less than 73?
Answer: 63
- Sample 2What is 10 less than 78?
Answer: 68
- A bit harder31 ā 10 = ?
Answer: 21
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