These are all links to external sites, which have a host of fabulous resources. All credit goes to the authors of these programs.
Numeracy
Adding and Taking away
Addition Tunnel Blaster
Subtraction Tunnel Blaster
Number Pyramid
Space Jumps
Ghost Blasters
Number Bond Machine
Save the Whale
(Number Bonds)
Number Twins
(Number Bonds)
Catch 10
Funky Mummy 10
Funky Mummy 20
Safari Park Problems
Ghost Blasters 2 digit numbers
+11 Soccer maths Adding with a Friend Fruit Shoot Subtraction Level 6