Grade 1 · Math · Addition Within 20 · Challenge
Practice addition within 20 at the Grade 1 level through foundational fact fluency, ten-frame thinking, and short guided practice, using 16 checked questions and a complete answer key.
- Questions
- 16
- Pages
- 3
- Paper
- letter
- Answer key
- Included
Common Core standards practiced
- 1.OA.C.6 Add and subtract within 20

Answer key included on page 3.