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How to Multiply on the Abacus with Single Digit Multiplier?

Posted on February 6, 2020February 6, 2020 by terry

Multiplication on the abacus is simple, fast, and efficient. The pre-requisites for learning how to multiply on the abacus are

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How To Add 2 and 3 Digit Numbers on an Abacus?

Posted on February 5, 2020February 5, 2020 by terry

To add and subtract 2 and 3 digit numbers or even higher multi-digit numbers is the same as if we

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Abacus Math Program – Lesson 16 – Reverse Double Rod

Posted on February 5, 2020February 5, 2020 by terry

In Lesson 11 we looked at the Forward Double Rod movement for addition problems. Now let’s take a look at the Reverse

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Abacus Math Program – Lesson 15 – Forward Double Rod

Posted on February 5, 2020February 5, 2020 by terry

Here we will explore the final bead movement in our basic skill training program that looks at executing the 10

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Abacus Math Program – Lesson 14 – Reverse Double Five

Posted on February 5, 2020February 5, 2020 by terry

In Lesson 13 we explored the Forward Double Fives in the forward direction for addition. Now let’s take a look at

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Abacus Math Program – Lesson 13 – Forward Double Five

Posted on February 5, 2020February 5, 2020 by terry

To this point in our abacus skill training we have introduced all of the basic bead movements required to perform any

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Abacus Math Program – Lesson 12 – The 5/10 Pair Combination Part 2

Posted on February 4, 2020February 4, 2020 by terry

Lesson 11 the 5/10 Pair Combination Part 1, we introduced the 5/10 pair combination for addition. Here in Lesson 12

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Abacus Math Program – Lesson 11 – The 5/10 Pair Combination Part 1

Posted on February 4, 2020February 4, 2020 by terry

So far in Lesson 5, 6, 7, and 8 we introduced addition and subtraction with 10 pair complements when the operation requires

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Abacus Math Program – Lesson 10 – Five Pair Complement Part 2

Posted on February 4, 2020February 4, 2020 by terry

In Lesson 9 Five Pair Part 1 we examined the 5 pair addition rule. Here in Lesson 10 Part 2 we are

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Abacus Math Program – Lesson 9 – Five Pair Complement Part 1

Posted on February 4, 2020February 4, 2020 by terry

We are now half way through the Rightlobemath.com skill training program. So far we have learned to represent base 10 numbers on

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