Decomposing Numbers 10-20 Worksheet – Kindergarten Addition Practice
About This Product
Build strong addition skills with the Decomposing Numbers 10-20 Worksheet. This kindergarten math printable keeps the focus on one skill so students can practice it with confidence.
Learning objective: Students will review addition, practice it in context, and show what they know in a way that is easy for the teacher to check.
Why it works: Short, focused practice is one of the best ways to help kindergarten students remember a new skill. Clear directions mean students can get started quickly, and the simple format makes it easy for you to spot who needs more help.
What's included:
1 printable worksheet page
Clear, student-friendly directions
Answer key (1 page)
Cover page
How it's organized: The page opens with these directions: "Count the counters in each ten frame. Then write the numbers." Students then complete the practice items in order and check their work before turning it in.
Grade level: Designed for kindergarten students. It also works well for preschool and first grade students who need extra practice or a fresh review.
How to use it: Use it for whole-group practice, small-group instruction, independent work, centers, morning work, homework, or an emergency sub plan.
Answer key: An answer key is included, so you can check work quickly or let students self-correct.
Teaching tips and variations:
Model the first item together, then let students finish the rest independently.
Project the page and solve one or two items as a class before students work on their own.
Keep a few copies in your early finisher bin for independent review.
Skills covered: Addition, Math
Standards: Supports Common Core K. OA.A.1, K. OA.A.5.
File type: PDF, ready to print.
Number of pages: 3 (1 worksheet page, 1 answer key page, 1 cover page).
Have Fun Teaching creates classroom-tested resources for PreK through 6th grade. Follow our shop to find more math worksheets that pair well with this page. Have Fun Teaching on Teach Simple