Missing Addends Within 20 4

Missing-number addition up to 20.

Grade 1 · Year 2 Grade 2 · Year 3 ➕ AdditionFree1 page + answer keyCCSS 1.OA.D.8

Missing Addends Within 20 4 worksheet

+ answer key

🎯 Skill: Missing numbers in addition
⏱️ Time: 10 minutes
🌱 Learning goal: Find the unknown number in a addition sentence

Instructions for kids

Find the missing number that makes each number sentence true.

Standards alignment

Common Core 1.OA.D.8: Determine the unknown whole number in an addition or subtraction equation.

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