Which is 9. So 9 is a square number. Here are some other examples of square numbers. Can you see how all these numbers can be arranged into a square? Which is 64. So 64 is a cube number.

Remember when you're counting on the 100 square, you do not count the number you start on. You start from the number next to it. When you count past a multiple of ten, such as 50, 70 or 90 ...