Why not hop on the mental maths train and practise your four operation skills by choosing addition, subtraction, multiplication or division and complete as many questions as you can in the time frame.
https://www.topmarks.co.uk/maths-games/hit-the-button Hit the Button - Quick fire maths practise for 6-11 year olds Quick fire questions on number bonds, doubles, halves, times tables, division facts and square numbers against the clock. Superb! www.topmarks.co.uk