This resource consists of a series of worksheets to grasp number bonds from 11-15. These are very visual and involve the pupil colouring in or crossing out the number of objects given at the start of the calculation to view how many objects remain to complete the calculation. There is also an odd and even colouring activity and a powerpoint to print the matching card game. This is where the pupils should match the calculations on the bones to the correct answer on the dog. There are 4 bones per dog.