Free

Addition Within 10 Worksheet

Grade 1 Math · printable worksheet (PDF) with answer key · 14 problems · CCSS 1.OA.C.6

A printable grade 1 addition within 10 practice worksheet with 14 problems and a complete, step-by-step answer key — formatted to print cleanly on standard paper. Download the problem set and answer key below for free.

Sample problems

Add the two numbers. Write the sum on the line.

1. $2 + 1 =$
2. $3 + 2 =$
3. $4 + 1 =$
4. $1 + 5 =$

Plus 10 more problems and a full answer key in the PDF.

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Problem set (PDF)Answer key (PDF)

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