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Add Within 20
Sums from 11 to 18 that cross over ten.
1st Grade Math · Addition and Subtraction Within 20 · standard 1.OA.C.6 · 4 days on the daily path
Print this worksheet- New problems every time you print, so it can be used again and again.
- An answer key for every page that can be marked.
- Color or black and white, on Letter or A4 paper.
Before this: Doubles Plus One. Next: Add on a Number Line to 20.