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Learn›Stage 2›2. Subtract within 20
Stage 2 · Unit 2 / 7 · Numbers & Operations

Subtract within 20

No-borrow subtraction, then borrowing from the ten, then missing numbers.

★ 0 / 9 · 0/3 steps done

▶ Start · Step 1
2

With borrowing

For 13 − 8, take 3 to reach 10, then take 5 more: 5.

· Not the suggested order
★★★3

Missing number

· Not the suggested order
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