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Missing Numbers to 20
Fill in the blanks in a row of counting numbers up to 20.
1st Grade Math · Counting and Number Patterns · standard 1.NBT.A.1 · 2 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: Count to 20. Next: Add with Ten Frames.