Fast mental addition skills

Try these adding to make the next whole ten questions - good revision and practice.

Quick 20 addition questions, all with answers 10 or below.

More adding to make the next whole ten.

Clever tricks to add 9 quickly to any 2-digit number.

Some quickfire questions on adding multiples of 10 (2-digit numbers only)

More addition grids. All these are adding a single digit to a multiple of ten.

Using part-whole models to add 2-digit numbers to multiples of 10.

Add 10 and subtract 1 to help answer these questions really quickly.