Grade 1 · Math · Addition Within 20 · Standard
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.
What is in this worksheet
This standard Grade 1 set contains 16 addition facts with sums up to 20, including a problem such as 1 + 15. The answer key is included in the same PDF.