Maths, BIDMAS
Number Blaster
A fun game where pupils have to work out the calculations to kill the aliens. It gets harder as time goes on. A good introduction to mental work.
I'm a celebrity BIDMAS
Makes pupils solving problems a bit more fun.
Calculation Activities for Students Aged 11-13
Dropped Digits is a good resource to assess pupils understanding of bidmas.
BODMAS song
A good song for a plenary of a lesson on BIDMAS. You might want to warn pupils that order is the same as indices.
Understanding the Laws of Arithmetic N5
A useful resource to check understanding of laws using a practical method.