Mental Arithmetic - number games and interactive mental arithmetic exercises.
Number Grids - equations in grid form for Years 4 to 6. They can be printed out to help develop deductive reasoning and arithmetic skills.
MathWorks - formal mental or written calculations using the 'four rules'.
The above programs were coded in html, CSS and JavaScript by Mike Kite, former headteacher of Loders School.
Maths Challenge - problem-solving tasks for Years 5 & 6 by Mike Kite in pdf format.
Any of these resources may be freely copied or altered.
Please let me know if you come across problems. Email mike.kite@hotmail.co.uk