Column Addition and Subtraction

Master the column methods for adding and subtracting big numbers. Learn how to line up digits by place value, carry when a column adds up to ten or more, exchange when subtracting, deal with zeros, and check your answers by estimating and using the inverse.

Tutwoo Kids is an independent learning service. This course is not affiliated with or endorsed by the Department for Education, Ofqual or any exam board, and Tutwoo Kids certificates are not qualifications. Content was checked against the national curriculum for England in October 2026.