Home > Mental computation > Good teaching > Addition and subtraction > Subtraction as difference > Differences
Curriculum links
Year 3: Apply place value to partition, rearrange and regroup numbers to at least 10 000 to assist calculations and solve problems
Year 3: Recognise and explain the connection between addition and subtraction
Year 4: Apply place value to partition, rearrange and regroup numbers to at least tens of thousands to assist calculations and solve problems
Source