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Cila Primary School

Ysgol Gynradd Cila

Subtraction Homework

Subtraction Success Criteria


Choose your level of challenge and remember the following: 

  • the largest number needs to be on top of the calculation
  • always start with the units
  • if the digit on the bottom is lower than the digit on the top, then you will need to borrow from the nearest column

Column Subtraction of Whole Numbers

Achieving, Building, Celebrating