Once added together they create the number 10! As do 5 and 5 ... Can you see how the total is 100? 40 blocks are white and 60 blocks are yellow. There are 100 blocks altogether.

Number bonds are pairs of numbers which add up to a certain number. Learn about the number bonds of 10 and 20 with this video. We’re hunting down some number bonds. Number bonds are a pair of ...