EYFS White Rose Resources Don't forget to click on the year overview boxes - they lead you to lots of different ideas as well as the powerpoints underneath.
Nrich Maths Challenges Don't forget to click on 'Topics' in the top right-hand side to narrow down your search.
The Maths Factor Carol Vorderman delivers maths lessons for KS1 and KS2. There are also some great games on here.
Maths ChaseThis is a great game which you can adapt to different levels. It focuses on mental maths using addition, subtraction, multiplication and division.