Grade 1CCSS 1.OA.8
Grade 1 What's Missing? Worksheet
Find the unknown number in an equation. Free printable worksheet — 20 questions plus a separate answer key. Each sheet is freshly generated, so your kid can practice as many times as they need.
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Sample questions
Two examples from the What's Missing? worksheet. Print the full sheet for 20 questions plus an answer key.
- Sample 1
? + 1 = 2
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1 - Sample 2
7 + ? = 10
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3
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