Free Year 3 column addition and subtraction practice — complete each written-method step with numbers to three digits. No account needed.
Complete guided column-addition and column-subtraction steps for supplied positive whole numbers with up to three digits. Work out column totals, carry or exchange between columns, and enter the answer digits. Addition totals are no greater than 999, and subtraction answers are positive. The default practice mode is untimed, so the learner can think before choosing. Correct answers build a gentle celebration; mistakes receive corrective feedback and return later rather than causing a penalty spiral.
Learning objective: Use a formal written column method to add and subtract supplied numbers with up to three digits.
Curriculum anchor: England mathematics programme of study: Year 3 addition and subtraction.
This game is designed as short independent practice after an idea has been introduced. It does not replace direct teaching, mathematical or scientific discussion, or an adult checking whether the learner can explain the idea away from the screen.
Ask the learner to explain each regrouping or exchange on paper. The game checks the prompted method steps for supplied calculations; it does not establish fluent independent method choice. Stop while attention is still good. A short accurate return tomorrow is more useful than extending a tired session today.
Does it need an account? No. The game runs in the browser and asks for no name, email address, school or location.
Is it timed? Practice is untimed. Where a sprint exists it is optional. Times Tables Sprint also includes MTC-style independent practice, not an expected-standard judgement.
Can it be used on a phone? Yes. Buttons support touch and keyboard use; sorting always has a tap alternative to dragging.
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