Stage 2 · Unit 31 / 44 · Numbers & Operations
Two-digit subtraction
Subtract the ones, then the tens. Solve no-borrow subtraction in columns too.
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Tens minus tens
30 − 10: 3 − 1 = 2, so it is 20.
Tens and ones minus ones
· Not the suggested orderTens and ones minus tens
· Not the suggested orderSubtract the ones
· Not the suggested orderSubtract the tens
· Not the suggested orderSubtract in columns
· Not the suggested orderTwo-digit minus two-digit
· Not the suggested orderSubtraction stories
· Not the suggested orderAbout Two-digit subtraction practice
“Two-digit subtraction” is unit 31 of Stage 2, for ages 7–8, in numbers & operations. Subtract the ones, then the tens. Solve no-borrow subtraction in columns too.
Its steps are: Tens minus tens, Tens and ones minus ones, Tens and ones minus tens, Subtract the ones, Subtract the tens, Subtract in columns, Two-digit minus two-digit, Subtraction stories. Each step has 10 problems and is free with no sign-up. 90% or better earns three stars.