Number Mountains 3



Deriving Number Bonds to 100

Derive the missing number and/or write as many related number sentences as you can think of when you explore number bonds using our Number Mountains. The mountain side shows a missing number that is related to the other two in an addition or subtraction (e.g. 3 + 8 = ?) number sentence.

Play included activities in groups, pairs or individually with or without teacher help. The double-sided card mountains come in a boxed set that exploresAddition & subtraction of numbers to 100 using number bonds.

Great for group teaching, individual practise or for the group box.