Addition Sums to 20 — Version 3

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About This Worksheet

Students solve horizontal addition equations with sums up to 20. This worksheet gives Kindergarten and 1st Grade students practice with addition facts and builds fluency with sums within 20. Aligned with Common Core State Standards 1.OA.C.6 and K.OA.A.2. An answer key is included on page 2.

Worksheet Details

Subject

Math

Grade Level

1st Grade Kindergarten

Topic

Addition

CCSS Standard

1.OA.C.6 K.OA.A.2

Skill

Addition — Sums to 20

Worksheet Format

Equations Horizontal Addition

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