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Fact Families to 20
Related addition and subtraction facts with teen numbers.
1st Grade Math · Addition and Subtraction Within 20 · standard 1.OA.B.4 · 3 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: Subtract on a Number Line to 20. Next: Find the Missing Number to 20.