Printable Addition Sentences Worksheets

Printable addition sentences worksheets for kindergarten and 1st grade, with an answer key on every sheet. The sets below cover 3 different skills, so you can start where your child actually is. Available as visual guides and speed drills.

Targeted Practice by Skill

About Addition Sentences

What this skill is

Addition sentences express combining two quantities using mathematical symbols (+ plus and = equals), transforming visual group models into written equations (3 + 2 = 5).

When children learn it

Addition sentences are introduced in kindergarten and 1st grade, aligned to K.OA.A.1.

Teaching Tips

  • Read addition sentences aloud: three plus two equals five.
  • Match picture groups directly to corresponding equation numbers.

Common Mistakes

  • Writing the total after the plus sign instead of after the equal sign.
  • Confusing the plus (+) symbol with the minus (-) symbol.