Fast mental subtraction skills

Subtracting 2-digit numbers, but no 'decomposition' needed. A good mental arithmetic exercise.

practice at subtracting 11 or 21 from 2-digit numbers 'in your head'.

More brainwhizz: rapid answers needed.

Using mental methods to subtract 19 from 2-digit numbers.

Four worksheets for practising subtracting 9 by subtracting 10 and adding 1.

Subtracting 9 by subtracting 10 and adding 1.

Sets of quick mental arithmetic questions. Subtracting single digits and 2-digit numbers.

Subtracting multiples of 10 from any 2-digit numbers