Watch first
2 worked questions
About a minute each. The question, time to think, then how to do it and the mistake to avoid.
Perimeter into area
Working from a rectangle to a square with the same perimeter.
From area to perimeter
Finding the missing side first, then going all the way round.
Shape and space practice
No timerFoundation questions. No timer: check each answer as you go, then read the explanation.
1. Two angles sit together on a straight line. One is 148°. How many degrees is the other?
These 10 are free
Every topic gives you 10 questions to try, at any level, with the full explanation on each one. A subscription opens the rest — and in the maths topics the questions are generated, so they never run out and never repeat.