I thought of a number. I multiplied it by 3. I subtracted 6 from the result and then had 15. Find the number I thought of.

I share 72 marbles between two boys, Pat and John, giving Pat 5 times as many as John. How many do I give each boy?

If the perimeter of a square is 10 cms, find the length of its side.

The total length of wire I need to make a model of a cube is 8 metres. How long will each edge of the cube be in metres?

Pupils should also be trained to make up problems similar to those on the teacher’s assignment cards. They should try to base them, where possible, on data from the environment.