**Examples: **

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 teacherâ€™s assignment cards. They should try to base them, where possible, on data from the environment.