Match the number on the clothespin to the # of items on the wheel. Works equally well for letters (upper and lower) or for younger kids, colours.
$ Polka Dot Numbers 1-20 and Behavior Clip Chart Posters Bundle
Math Coach's Corner: Using Dot Cards to Build Number Sense. There's no doubt about it...subitizing is all the rage! So, now that you've made your dot cards, how exactly do you use them? First off, you want to develop routines for using your dot cards. You don't want to flash a card and just have students shout out the number. Read more and download free resources.