Step 1 / 4
Two-digit − one-digit
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Two-digit subtraction · Numbers & Operations
Subtract two-digit numbers, learn borrowing, and check with missing numbers.
This is step 1 of unit 2, “Two-digit subtraction”, in Stage 3: Two-digit sums and times tables (ages 9). A round has 10 problems; 90% or better earns three stars. Everything is free with no sign-up, and your stars and XP are saved on this device.