Quick and easy way to practice and test basic subtraction facts. Students work at their own pace memorizing their math facts. For each math fact they master students will collect a gumball and work to fill their gumball machine.
This includes everything needed to make gumball machines, gumballs and math fact sheets. All you need is colored paper and a copy machine.
TEKS: 2.4(A) recall basic facts to add and subtract within 20 with automaticity