Class 1 maths · C.2 · Addition and Subtraction to 20
Subtract within 20
Subtract. Think about the addition fact that goes with it.
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7 − 0 =
Answer: 7
8 − 3 =
Answer: 5
7 − 3 =
Answer: 4
Tip: Subtract. Think about the addition fact that goes with it.
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Up next
- Next in this topic Find the missing number to 20 Class 1
- Need a warm-up? Add within 5 UKG
Curriculum
Common Core: 1.OA.C.6, 1.OA.D.8
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