Learn about number bonds to 100 using tens and ones in this Maths article. BBC Homepage. Skip to content; ... Number bonds to 100 are pairs of numbers that when added together make 100.

Let's use it to find which number forms a number bond to 100 with 63? You can start by jumping from 63 on to the next multiple of ten, which is 70. 64 to 70 is a jump of 2.