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Printable Mental Addition Worksheets

Printable mental addition worksheets for 2nd and 3rd grade, with an answer key on every sheet. The sets below cover 5 different skills, so you can start where your child actually is. Available as speed drills and word problems.

Targeted Practice by Skill

Pick a skill below, then choose the worksheet format that fits your child. Every sheet prints on one page and comes with an answer key.

Add 1-digit to 2-digit mentally

Add two 2-digit numbers mentally

Add 10, 100 and 1,000

Add near tens, plus 9 and plus 19

Compensation strategy

More Addition Worksheets

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