Vertical Abacus

This is a modified form of Abacus used to help children visualize the concept of Place value of a number, use it to practice adding / subtracting small numbers, explain carry and borrow and to introduce concept of decimals and why we write them the way we write them.

Contents

• Wooden base
• Steel rods
• Four colour beads
• A manual explainng how to use this for teching different methematics concepts