Let’s go back in time with an old school calculator, that handy tool the abacus!
The abacus is an ancient counting tool, in use since 2700 B.C and still used today by merchants in parts of the world. Today we are making a very simple DIY abacus that you can keep in your pocket or backpack this school year. Wouldn’t your teacher be surprised if you pulled this out while learning math? And just in case you don’t know how to use it, watch our tutorial and learn how to do addition on an abacus!