Reasoning about addition and subtraction

Completing simple number patterns.

How many different answers can you get?

A first look at word problems needing addition or subtraction to solve.

Can you put the numbers in the circles so that each side of the triangle adds up to 9?

More problem solving where addition or subtraction is needed.

Completing number sentences using more and less than.

Three darts to score on the board. Good adding up revision.

Put the numbers 1, 2, 3, 4 and 5 onto the grid so that both lines add up to the same total. How many ways?