Now your child has a secure understanding of the value of digits within each column they are ready to move to column subtraction without exchange.
This means that the number they are subtracting from has a larger number in the units column than the number they are subtracting.
e.g. 47 – 24 = or 56 – 31 =
Explain the importance of keeping the sum and the answer in columns as this will help to prevent mistakes when subtracting .
Watch the clip below to practice this method with your child.