Make your own number patterns

Draw a mixture of 2D shapes and cut them out. Or alternatively use 2D shape blocks. Sort the shapes into{...}

You will need a 100 chart, two counters and a post it note. Create a starting point on the hundreds{...}

Launch: Watch: https://www.youtube.com/watch?v=szZvBfCk1BU   Discuss placing the item at the same point this way you can see which item is{...}