✅ Checking Work 📚 Grade 2-4 ⏱ 6 min
Teaching Kids to Check Their Work in Math
Checking work is a skill, not an instinct — most kids need to be taught specific strategies for catching their own mistakes.
Strategy 1 — Use the inverse operation
Solved a subtraction problem? Add the answer back to check. Solved a division problem? Multiply the answer back. This catches most calculation errors instantly.
Strategy 2 — Estimate first, compare after
A rough estimate made before solving gives something to compare the exact answer against — a huge mismatch signals an error.
Strategy 3 — Re-read the question
Many "wrong" answers are actually correct math answering the wrong question. Re-reading catches misread numbers or missed steps.
FAQ
How do I get a child to actually check their work?
Build it into the routine as a final step every time, not an optional extra — like putting a name on the paper.