CHILD'S VOICE: Attention attention, Number squad It’s time to count how many with Rodd! RODD: Hello…. One, two, twins. Now, would you look at this handsome dude in his cycling clothes!

When you count to 20, you start at 1 (or zero ... are made up of 1 ten and different amounts of ones. The number 20 is made up of two tens. In the images below, the tower of blue blocks represents ...