Find the missing number: addition and subtraction to 100
Every number is 100 or less.
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□ + 1 = 9 What number goes in the box?
Answer: 8
□ + 5 = 6 What number goes in the box?
Answer: 1
□ − 5 = 7 What number goes in the box?
Answer: 12
Tip: Every number is 100 or less.
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- Next in this topic Find the missing factor: facts to 10 × 10 Grade 5
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Curriculum
Common Core: 6.EE.B.7
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On paper: this skill is in the printable pack Grade 5 Common Core Math: Patterns and Algebraic Thinking, with an answer key.
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