1) Maths Antics video - how to add and subtract negative numbers - https://goo.gl/dwUabp
2) Video - how to add and subtract negative numbers - https://goo.gl/IKELRh
3) Adding integers to make a target number - match-up game - https://goo.gl/N0Y219
and https://www.sheppardsoftware.com/mathgames/mathlines/mathlines_integerMinus_1.htm
4) Is the sum Positive, Negative or Zero ? - drop the question into the right box ! - https://goo.gl/Inzb9s
5) Fruit Splat Game - Subtracting negative numbers - https://goo.gl/P0lZw
6) Racing game - Subtracting negative numbers - https://goo.gl/PDnnK6
7) Maths Racing - add and subtract - https://goo.gl/QRmRK
IXL I C 1 to 4 and J C 6 and 7
HIGHER LEVEL Q's - Pirate Ship and walking the plank !! - https://goo.gl/UqrRs