Adding and Subtracting Within 10 Worksheets

Free printable worksheets with answer keys. Pick a level, preview the questions, then open the sheet to swap or delete any single question.

KindergartenCCSS K.OA.A.2Answer key includedPDF · Print

Open in generator Start with an easy sheet

Easy: Adding within 5

Preview shows 6 of 12 questions. Every sheet is new; open it to change any question.

Worksheet variations

In an addition picture the solid dots and the open dots join together, so count them all. In a take-away picture the crossed-out dots are gone, so count only the dots that are left.

EasyAdding within 5 MediumAdding within 10 HardAdding and taking away within 10

How to solve it: a worked example

Use the dots to add or take away.

Start
Count all the dots
Answer

Common mistakes to watch for

Counting the crossed-out dots as if they were still there.
Counting only one group in an addition picture.
Writing the bigger number shown instead of the total.

Tip: tick “Step-by-step answer key” in the generator to print each step for marking.

Related worksheets

FAQ

Is every worksheet different?

Yes. Numbers are generated each time, and the answer key is calculated for that sheet. Swap any single question and its answer updates too.

Can I mix adding and subtracting within 10 with other skills?

Yes. In the generator, add more skills; each gets its own section on the sheet with its own instructions.

Is it free to print?

Yes. Generating and printing from the browser is free with no sign-up. PDF downloads need a free account.