How to do Division with a Single Digit Divisor on the Abacus?
If this is your first time doing division on the abacus please see a more basic example, How to Divide on the Abacus. In this example, we will show how to do basic division with a single digit divisor on the abacus which can be thought of as long division. Division is usually difficult for
How to Multiply on an Abacus?
Since multiplication is repeated addition, any multiplication problem can be solved on an abacus. To perform multiplication on an abacus, students must be able to perform addition on the abacus and memorize the basic single digit multiplication facts through 9×9. With addition and the basic math facts, students can take on any multiplication problem with ease.
How to Multiply on the Abacus with a two digit multiplier?
Let’s generalize what we did with Multiplication with Single Digit Multiplier to a multi-digit multiplier. In this case we will look at a 2 digit by 2 digit multiplication. Again we will transform multiplication problems into a series of additions using our memorized 9×9 multiplication facts as we move both multiplier digits through the multiplicand digits.
How to Multiply on the Abacus with Single Digit Multiplier?
Multiplication on the abacus is simple, fast, and efficient. The pre-requisites for learning how to multiply on the abacus are two fold. First students must know how to add on the abacus since multiplication is a series of additions. If you don’t know addition on the abacus or are new to abacus math please take