Subtraction is much easier once it is realised that it is the inverse (or opposite) of addition. Many subtraction questions can be answered by adding on, but children are expected to know subtraction facts to at least 10 (eg know that 9 – 4 = 5). Knowing these facts is just as important as knowing ‘tables’. They will also be working with 2-digit numbers, especially multiples of 10.
Some excellent mental arithmetic work on subtracting a single digit from a 2-digit number.
Quite tricky subtraction: taking a single digit from a multiple of 10.
Subtract multiples of ten, up to 100.
See just how easy it is to use addition to help with subtraction.
Four worksheets for practising subtracting 9 by subtracting 10 and adding 1.
Try completing these subtraction number sentences which are all to do with subtracting a single digit from a 2-digit number up to 20.
Four worksheets on subtracting multiples of 10 from 100. Make sure your child can count up and down in tens with confidence before trying these.
Number lines are here to help with subtracting whole tens.
practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.
Sometimes it's easier to do subtraction by counting up, especially if the numbers are close to each other.
Subtracting 2-digit numbers, but no 'decomposition' needed. A good mental arithmetic exercise.
Use counting up to find differences between numbers either side of 100.
Using mental methods to subtract 19 from 2-digit numbers.
Here we have four worksheets on subtracting whole hundreds.
Something different here: the mathematical sign and a number are both missing.
Sets of quick mental arithmetic questions. Subtracting single digits and 2-digit numbers.