Free Grade 1 Addition Worksheets

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What Grade 1 Students Learn

In first grade, students build fluency with addition facts within 20. They learn strategies like counting on, making ten, and using doubles. By year's end, students should know all sums within 20 from memory (CCSS 1.OA.C.6). These worksheets provide the repetitive practice that builds automatic recall.

Skills covered: Addition (183), Mad Minute Addition (71), Adding Multiples Of 10 (64), Adding Three Numbers (61), Doubles Facts (56), Single Digit Addition (56), Addition Within 20 (49), Addition Within 10 (49)