Abacus Small Friend Subtraction Formula: Abacus Small Friend is the second most important technique for learning Abacus.
In the earlier lesson we read about small friend positive. In which we saw and learned all the formulas of Abacus Small Friend. And also practiced on Abacus Small Friend Practice.
Now our lesson is 2 Abacus Small Friend Negative Technique, in this lesson we will learn all four formulas of Small Friend Subtraction [-1, -2, -3, -4].
So let’s start our today’s lesson.
Table of Contents
Abacus Small Friend Subtraction Formula/Tecnique
Small Friend Subtraction (–)
| Technique no. 1 | – 1 = +4 – 5 |
| Technique no. 2 | – 2 = + 3 – 5 |
| Technique no. 3 | – 3 = + 2 – 5 |
| Technique no. 4 | – 4 = + 1 – 5 |
Worksheet-1 {1D 3R} :Abacus Small Friend Formula – 1 = +4 – 5
SMALL FRIEND Subtraction – 1 = + 4 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 3 2 -1 | 6 -1 -1 | 8 -3 -1 | 5 -1 -1 | 9 -3 1 | 5 -1 2 | 1 4 -1 | 1 4 3 | 4 2 -1 | 2 3 -1 | 1 4 4 | 7 -2 -1 | 9 -4 -1 | 5 -1 5 | 1 4 2 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 2 3 -1 | 5 -1 3 | 3 2 -1 | 5 -1 2 | 6 -1 -1 | 5 -1 1 | 1 4 -1 | 5 -1 -4 | 9 -4 -1 | 5 -1 -4 | 5 -1 -2 | 9 -6 4 | 3 4 -1 | 8 -3 -1 | 7 -2 -1 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 5 -1 5 | 11 4 -1 | 3 3 -1 | 6 -1 1 | 4 5 -1 | 4 1 -1 | 12 3 -1 | 3 6 -1 | 7 1 -7 | 3 6 -8 | 5 -1 -3 | 2 4 -1 | 5 -1 -2 | 3 2 1 | 3 3 -6 |
Worksheet-2 {1D 4R} : Abacus Small Friend Formula – 1 = +4 – 5
SMALL FRIEND Subtraction – 1 = + 4 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 2 3 -1 5 | 5 -1 -3 3 | 5 -1 -4 2 | 7 -2 -1 -2 | 9 -6 4 -1 | 5 -1 -2 -1 | 3 4 -2 -1 | 5 -1 -4 4 | 9 -4 -1 -3 | 8 -3 -1 5 | 3 2 -1 -1 | 5 -1 -3 5 | 6 -1 -1 5 | 3 4 -1 -5 | 5 -1 -1 5 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 9 4 -1 -1 | 4 1 -1 5 | 8 -3 -1 -1 | 3 2 -1 2 | 6 -1 -1 -1 | 9 -4 -1 -2 | 5 4 -4 -1 | 2 3 -1 3 | 7 2 -1 1 | 7 -1 -1 -1 | 5 -1 5 -6 | 9 -4 -1 -3 | 3 2 -1 1 | 6 -6 5 -1 | 8 -3 -1 -2 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 4 4 -3 -1 | 9 -4 -1 1 | 2 3 -1 5 | 8 -3 -1 -3 | 2 3 -1 1 | 5 -1 3 2 | 1 4 -1 3 | 9 -4 -1 2 | 4 1 -1 -4 | 7 -7 5 -1 | 3 2 -1 5 | 8 -2 -1 -1 | 9 -8 4 -1 | 4 1 -1 -3 | 6 -1 -1 -2 |
Worksheet-3 {1D 3R} : Abacus Small Friend Formula – 2 = + 3 – 5
SMALL FRIEND Subtraction – 2 = + 3 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 5 -2 1 | 5 1 -2 | 6 -2 5 | 9 -3 -2 | 9 -4 -2 | 7 -1 -2 | 1 4 -2 | 4 -2 -2 | 5 -2 4 | 25 -2 3 | 15 -2 1 | 6 -2 4 | 2 2 1 | 9 -1 -2 | 11 4 -2 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 6 -2 -1 | 2 3 -2 | 5 -2 1 | 4 1 -2 | 6 -2 4 | 1 5 -2 | 5 -2 -2 | 6 -2 -4 | 3 3 -2 | 5 -2 5 | 1 2 2 | 3 2 2 | 4 1 -2 | 1 1 -2 | 4 -2 -2 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 5 -2 -2 | 5 2 -2 | 2 3 -2 | 1 4 2 | 4 4 -6 | 2 4 -2 | 7 -2 -2 | 4 1 -2 | 12 3 -2 | 2 2 -2 | 1 6 2 | 7 2 -8 | 4 4 -2 | 6 1 -2 | 6 -1 -2 |
Worksheet-4 {1D 4R} : Abacus Small Friend Formula – 2 = + 3 – 5
SMALL FRIEND Subtraction – 2 = + 3 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 3 2 -2 1 | 1 4 -2 5 | 3 4 -2 -2 | 9 -4 1 -2 | 7 -1 -2 5 | 3 3 -2 1 | 6 3 -4 -2 | 5 -1 1 -2 | 3 4 -2 -1 | 4 2 -2 -3 | 6 -2 1 -2 | 2 3 -2 3 | 5 -2 1 1 | 4 1 -2 4 | 6 -2 4 -7 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 1 5 -2 2 | 2 5 -2 2 | 5 -2 -2 8 | 6 -2 -4 3 | 3 3 -2 1 | 5 -2 5 -6 | 3 1 2 -2 | 6 -2 -1 2 | 2 2 1 -2 | 7 -1 -2 4 | 6 -2 -1 5 | 2 3 -2 5 | 5 -2 1 5 | 4 1 -2 5 | 4 -2 -2 5 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 4 -2 5 | 3 2 -2 5 | 6 -2 1 5 | 1 5 -2 5 | 5 -2 -1 5 | 6 -2 -4 5 | 5 -2 -2 5 | 1 5 -2 5 | 3 3 -2 5 | 4 1 -2 5 | 9 -4 -2 1 | 5 -2 1 1 | 7 -2 -2 1 | 2 3 -2 1 | 4 1 -2 1 |
Worksheet-5 {1D 3R} : Abacus Small Friend Formula – 3 = + 2 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 5 -3 8 | 7 -3 8 | 4 3 -3 | 5 2 -3 | 6 2 -3 | 6 4 -3 | 6 -3 7 | 7 -3 2 | 8 -2 -3 | 9 -2 -3 | 6 -3 1 | 5 -3 2 | 9 -3 -3 | 1 4 -3 | 6 -3 4 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 1 4 -3 | 5 -3 5 | 2 3 3 | 9 -6 4 | 3 3 -3 | 3 4 -1 | 3 6 -7 | 4 1 -3 | 11 4 4 | 14 3 -3 | 13 -3 6 | 7 -2 -3 | 10 5 -3 | 20 5 -3 | 15 -3 -2 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 3 -3 | 3 6 -3 | 6 -5 3 | 5 -3 7 | 6 -5 2 | 5 -3 5 | 5 -3 6 | 6 -3 5 | 7 -3 7 | 8 -3 -3 | 6 -3 -3 | 3 -3 6 | 4 2 -3 | 3 3 -3 | 11 4 -3 |
Worksheet-6 {1D 4R} : Abacus Small Friend Formula – 3 = + 2 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 3 3 -2 2 | 3 2 -3 4 | 2 4 -3 1 | 5 -3 4 -3 | 7 -3 1 -3 | 6 -3 -2 7 | 4 2 -3 2 | 9 -4 -3 -1 | 1 4 -3 5 | 2 5 -3 4 | 1 2 4 -3 | 4 1 -3 1 | 6 -3 4 -1 | 2 2 1 -3 | 3 3 1 -3 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 3 3 -3 5 | 3 2 -3 5 | 4 2 -3 1 | 9 -4 -3 2 | 8 -3 -3 2 | 1 5 3 1 | 5 -3 2 5 | 1 2 2 -3 | 4 2 -3 5 | 7 -3 1 2 | 1 4 -3 5 | 2 4 -3 1 | 6 -3 -2 -1 | 5 -3 -2 2 | 5 -3 5 -7 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 5 2 -3 -1 | 6 -1 -2 3 | 1 4 -3 5 | 7 -5 4 -3 | 4 1 2 3 | 8 -6 5 -3 | 9 -4 -3 6 | 3 3 -3 2 | 5 -3 5 -3 | 9 -7 5 -3 | 9 -9 5 -3 | 4 5 -4 -3 | 6 -3 6 -3 | 1 4 -3 1 | 3 2 1 -3 |
Worksheet-7 {1D 3R} : Abacus Small Friend Formula – 4 = + 1 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 5 -4 1 | 1 5 -4 | 6 -4 2 | 5 3 -4 | 9 -3 -4 | 1 7 -4 | 5 -4 5 | 8 -4 -3 | 7 -4 5 | 5 -4 -1 | 5 -4 6 | 8 -4 1 | 7 -1 -4 | 2 5 -4 | 7 -4 1 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 3 2 -4 | 4 3 -4 | 5 -4 -1 | 8 -4 3 | 7 -4 5 | 9 -2 -4 | 2 6 -4 | 5 -4 1 | 6 -4 3 | 1 5 -4 | 4 4 -5 | 3 4 -1 | 5 -4 4 | 2 3 -4 | 6 3 -4 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 5 -3 6 | 5 -4 7 | 5 -4 6 | 5 -4 8 | 6 -1 -4 | 3 4 -4 | 15 -4 1 | 14 -4 3 | 15 -4 5 | 1 6 -4 | 4 2 -1 | 3 3 -4 | 4 4 -4 | 15 -4 3 | 16 -4 6 |
Worksheet-7 {1D 3R} : Abacus Small Friend Formula – 4 = + 1 – 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 3 2 -4 2 | 4 3 -4 3 | 5 -4 -1 2 | 8 -4 3 -4 | 7 -4 5 -4 | 9 -2 -4 2 | 2 6 -4 3 | 5 -4 1 4 | 6 -4 3 -4 | 1 5 -4 6 | 3 5 -4 1 | 6 -4 1 -2 | 2 4 1 -4 | 7 4 3 -4 | 5 -4 3 1 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 3 4 -4 1 | 7 -4 5 -3 | 6 3 -4 -4 | 2 3 -4 2 | 5 -4 2 5 | 3 5 -4 -1 | 4 4 -4 -2 | 9 -2 -4 1 | 6 -4 2 -2 | 3 2 -4 5 | 3 2 -4 3 | 4 3 -4 1 | 5 -4 -1 3 | 8 -4 -1 3 | 2 3 -4 5 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 5 1 2 -4 | 1 2 3 -4 | 4 4 -4 5 | 3 2 -4 1 | 9 8 -4 4 | 1 6 -4 2 | 3 4 -3 1 | 9 -2 -4 3 | 8 -4 2 3 | 1 5 -4 6 | 16 -4 8 5 | 36 4 3 -5 | 20 -5 -4 2 | 74 -4 6 -4 | 66 -4 -4 1 |
Frequently asked Question
Q.1. What is the small friend of 4 in abacus?
Q. 2. What is the small friend and big friend in abacus ?
Q. 3. How many formulas are there in abacus ?
Conculsion
In today’s blog post we saw that
What are these 4 formulas (-1, -2, -3, -4) of Small Friend of Abacus?
And how can we do subtraction with the help of these formulas on Abacus tool?
We have seen both parts of the Small Friend Formula of Abacus.
In the first part of Abacus Small Friend, we learned to do addition from Abacus Small Friend and in this part we learned to do subtraction.
In this blog, you have been given 8 practice worksheets of Abacus Small Friend. You practice them and if you still have any doubt then comment in the comment box and I will clear your doubt.
Thank you