Kindergarten · Math · Addition Within 10 · Challenge
Practice 12 addition-within-10 items; answer key included.
- Questions
- 12
- Pages
- 3
- Paper
- letter
- Answer key
- Included
Common Core standards practiced
- K.OA.A.1 Represent addition with objects and equations
- K.OA.A.2 Solve addition word problems within 10

Answer key included on page 3.
What students practice
This Kindergarten challenge addition within 10 worksheet contains 12 complete items. Learners solve joining stories and find missing parts in addition sentences within 10.
PDF and answer key
The 3-page US Letter PDF has 2 activity pages followed by a complete answer key on page 3. The preview shows the first activity page.
How to use this worksheet
Ask the learner to complete every item before checking the answer key. For missed items, model each problem with counters, recount the combined group, and check that the written equation matches the total.