Grade 1 maths · C.1 · Addition and Subtraction to 20
Add within 20
Add the two numbers. Make a ten if it helps.
Loading a question…
You've done today's 10 free questions.
Come back tomorrow for 10 more, or get unlimited practice with a membership.
Want more today? Print 20 more questions free, with the answers.
Already a member? Sign in.
See worked examples
5 + 3 =
Answer: 8
6 + 6 =
Answer: 12
7 + 3 =
Answer: 10
Tip: Add the two numbers. Make a ten if it helps.
Print a worksheet of this skill New questions and an answer key, free.
Up next
- Next in this topic Subtract within 20 Grade 1
- Need a warm-up? Add within 5 Grade R
Curriculum
Common Core: 1.OA.C.6, 1.OA.D.8
Print a free worksheet with answers (20 questions).
Practise without limits
Members practise as much as they like, every day, and get the printable packs and lessons too.