him up just a little when he's reading and saying them, although he's usually pretty comfortable by the time he gets to the twenties. i decided to make this activity be focused on the numbers 1 through 20.
to create the activity i used clear projector paper, permanent markers, and flat marbles. i drew a tree with green marker onto the clear projector paper and wrote the numbers 1 through 20 on the inside of the tree. using a black permanent marker i wrote the numbers 1 through 20 on to 20 different marbles.
i set the paper up on the light table with the marbles all around it in a random 