Year 3 maths · I.2 · Add and Subtract to 1,000
Subtract three-digit numbers with regrouping
Every one needs a trade. Trade 1 ten for 10 ones, or 1 hundred for 10 tens.
See worked examples
967 − 795 =
Answer: 172
653 − 397 =
Answer: 256
934 − 352 =
Answer: 582
Tip: Every one needs a trade. Trade 1 ten for 10 ones, or 1 hundred for 10 tens.
On paper: this skill is in the printable pack Grade 3 Common Core Math: Number and Operations, with an answer key.
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