What do you see as you watch this video? Can you create a similar video for the number 12?
Lee was writing all the counting numbers from 1 to 20. She stopped for a rest after writing seventeen digits. What was the last number she wrote?
These pieces of wallpaper need to be ordered from smallest to largest. Can you find a way to do it?
This activity creates an opportunity to explore all kinds of number-related patterns.
This challenge involves calculating the number of candles needed on birthday cakes. It is an opportunity to explore numbers and discover new things.
Watch this animation. What do you see? Can you explain why this happens?