Revise simple mental addition.

A tricky set of mental addition questions, adding teens to 2-digit numbers.

Add and subtract ones from 3-digit numbers.

Number bonds to 100 with a hundred square.

Add and subtract ones from 3-digit numbers.

A variety of addition questions, including finding different ways to make totals.

Number bonds to 100 with images of fish.

Adding and subtracting a 1-digit number from a 3-digit number with the help of place value grids.

Number bonds to 100 with images of creatures.