Clothespin Math on a clothes hanger! Easy to make, and self explanatory. I'm thinking a wire clothes hanger would work better, so the clothes pins are easy to slide back and forth (almost like an abacus).
These display posters are a perfect way to show the multiples of different numbers, making them a great addition to your maths classroom! Bright and colourful, they'll add beautifully to your classroom display!
19 Ridiculously Simple DIYs Every Elementary School Teacher Should Know