Abacus Small Friends Addition Formula: Small Friend is an important technique to learn Abacus.
But the new people who have just started learning about Abacus get confused after reading the names of the techniques of Abacus (Abacus Small Friends Addition , Abacus Small Friend Negative, Abacus Big Friend Addition, Abacus Big Friend Subtraction, Abacus Combination Addition and Abacus Combination Subtraction). What is this technique of abacus? And how does it help in learning abacus?
In today’s lesson we will learn what is Abacus small friend formula? So now let’s go to learn small friend.
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Table of Contents
Abacus Small Friends Addition Formula/Tecnique
| 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 Friends Addition Formula + 1 = – 4 + 5
SMALL FRIEND ADDITION + 1 = – 4 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 4 1 2 | 4 1 4 | 4 1 1 | 2 2 1 | 3 1 1 | 4 1 5 | 3 3 1 | 9 -5 1 | 5 1 2 | 7 2 1 | 1 3 1 | 2 2 1 | 3 1 1 | 1 3 1 | 4 1 2 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 4 1 3 | 4 1 2 | 9 5 1 | 4 1 1 | 4 1 5 | 4 1 -5 | 4 1 3 | 8 -5 1 | 9 -7 2 | 4 -3 2 | 8 -5 3 | 1 8 -6 | 4 1 3 | 6 -5 1 | 6 2 1 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 3 1 -2 | 9 -5 1 | 3 5 -6 | 4 -3 1 | 9 -7 2 | 3 -2 3 | 8 -5 1 | 3 1 5 | 4 1 -5 | 2 2 -2 | 5 1 1 | 1 8 -6 | 9 -4 1 | 2 1 1 | 2 2 1 |
Abacus Small Friends Addition Formula + 1 = – 4 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 7 | 9 | 6 | 5 | 5 | 10 | 9 | 5 | 8 | 10 | 5 | 5 | 5 | 5 | 7 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 7 | 7 | 15 | 6 | 10 | 0 | 8 | 4 | 4 | 3 | 6 | 3 | 8 | 2 | 9 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 2 | 5 | 2 | 2 | 4 | 4 | 4 | 9 | 0 | 2 | 7 | 3 | 6 | 4 | 5 |
Worksheet -2 {1D 4R}, Abacus Small Friends Addition Formula + 1 = – 4 + 5
SMALL FRIEND ADDITION + 1 = – 4 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 2 1 1 1 | 4 5 -5 1 | 2 2 1 3 | 6 -5 3 1 | 9 -6 1 1 | 6 1 1 3 | 5 2 -7 1 | 8 1 -5 1 | 7 -6 3 1 | 4 1 2 -5 | 2 5 1 1 | 3 1 1 1 | 2 2 1 1 | 5 1 -5 3 | 2 5 -5 1 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 3 1 1 4 | 1 1 2 1 | 2 2 1 1 | 4 1 2 2 | 5 -5 4 1 | 4 1 1 1 | 3 1 1 3 | 4 5 -5 1 | 1 3 1 2 | 3 1 1 5 | 9 -6 1 1 | 6 -5 3 1 | 4 1 3 -6 | 2 2 1 3 | 8 1 -5 1 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 3 1 2 | 7 2 -5 1 | 1 1 2 1 | 4 1 2 1 | 6 -6 4 1 | 8 -7 3 1 | 3 -3 4 1 | 9 -8 3 1 | 5 -5 4 1 | 7 -6 3 1 | 2 2 1 -5 | 7 -7 4 1 | 4 1 4 -6 | 2 2 1 2 | 5 -5 4 1 |
Abacus Small Friends Addition Formula + 1 = – 4 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 5 | 5 | 8 | 5 | 5 | 11 | 1 | 5 | 5 | 2 | 9 | 6 | 6 | 4 | 3 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 9 | 5 | 6 | 9 | 5 | 7 | 8 | 5 | 7 | 10 | 5 | 5 | 2 | 4 | 5 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 7 | 5 | 5 | 7 | 5 | 5 | 5 | 5 | 5 | 5 | 0 | 5 | 3 | 7 | 5 |
Worksheet -3 {1D 3R}, Abacus Small Friends Addition Formula + 2 = – 3 + 5
SMALL FRIEND ADDITION + 2 = – 3 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 1 2 2 | 3 2 1 | 2 2 2 | 4 2 -1 | 4 -1 2 | 8 -5 2 | 3 2 4 | 9 -5 2 | 3 1 2 | 3 1 2 | 3 2 3 | 4 2 3 | 1 3 2 | 3 2 -5 | 4 2 2 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 2 1 2 | 3 2 1 | 6 3 -5 | 3 2 4 | 3 1 -2 | 3 1 6 | 4 2 -5 | 3 1 -2 | 6 3 -5 | 8 -5 2 | 4 3 -6 | 6 -5 7 | 4 -1 2 | 9 -6 2 | 1 2 6 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 1 2 | 2 2 -2 | 2 6 -3 | 2 7 -6 | 4 2 -6 | 3 2 3 | 4 2 3 | 9 -6 2 | 8 2 5 | 7 9 2 | 9 1 2 | 9 -6 2 | 9 4 2 | 8 5 -2 | 1 9 4 |
Abacus Small Friends Addition Formula + 2 = – 3 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 5 | 6 | 6 | 5 | 6 | 5 | 9 | 6 | 6 | 6 | 8 | 9 | 6 | 0 | 8 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 5 | 6 | 4 | 9 | 2 | 10 | 1 | 2 | 4 | 5 | 1 | 8 | 5 | 5 | 9 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 4 | 2 | 5 | 3 | 0 | 8 | 9 | 5 | 15 | 18 | 12 | 5 | 15 | 11 | 14 |
Worksheet -4 {1D 4R}, Abacus Small Friends Addition Formula + 2 = – 3 + 5
SMALL FRIEND ADDITION + 2 = – 3 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 2 2 2 1 | 2 2 2 2 | 2 2 2 -5 | 1 3 2 1 | 5 -5 4 2 | 4 5 -5 2 | 3 2 2 1 | 3 2 2 2 | 2 -2 4 2 | 4 -1 1 2 | 2 2 2 -6 | 6 -5 3 2 | 7 -5 2 2 | 8 -5 1 2 | 9 -5 2 1 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 1 9 4 2 | 8 -5 2 4 | 9 -6 2 3 | 5 4 5 2 | 6 3 -6 2 | 8 2 4 -3 | 5 2 5 6 | 7 4 3 2 | 8 3 2 5 | 3 1 2 -5 | 8 -6 2 2 | 4 -1 2 1 | 6 -5 3 2 | 4 2 2 1 | 9 -6 2 2 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 3 2 3 | 5 -5 4 2 | 3 2 4 -2 | 7 -6 3 2 | 6 -6 3 2 | 4 -1 2 2 | 8 -6 1 2 | 3 2 1 2 | 1 -1 4 2 | 7 -7 3 2 | 2 2 2 3 | 5 -5 3 2 | 9 -5 2 1 | 3 2 4 -3 | 9 -5 2 3 |
Worksheet -5 {1D 3R}, Abacus Small Friends Addition Formula + 3 = – 2 + 5
SMALL FRIEND ADDITION + 3 = – 2 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 1 2 3 | 2 2 3 | 3 1 3 | 3 3 2 | 4 3 2 | 1 3 3 | 1 1 3 | 8 -5 3 | 9 -7 3 | 3 3 1 | 2 3 4 | 4 3 -1 | 1 3 3 | 2 2 3 | 3 3 3 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 4 3 -2 | 2 2 -3 | 1 2 6 | 9 -6 3 | 8 -5 3 | 8 -6 3 | 4 3 -2 | 5 4 -6 | 3 1 3 | 4 -2 3 | 8 -6 3 | 1 3 -1 | 7 -5 1 | 9 -8 4 | 3 3 -5 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 4 3 -6 | 8 1 -7 | 2 3 3 | 4 3 1 | 3 3 2 | 2 1 3 | 9 -5 3 | 8 -6 2 | 4 -2 3 | 3 -1 3 | 4 3 -6 | 2 3 3 | 3 3 -1 | 4 3 -7 | 3 3 -5 |
Abacus Small Friends Addition Formula + 3 = – 2 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 6 | 7 | 7 | 8 | 9 | 7 | 5 | 6 | 5 | 7 | 9 | 6 | 7 | 7 | 9 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 5 | 1 | 9 | 6 | 6 | 5 | 5 | 3 | 7 | 5 | 5 | 3 | 3 | 5 | 1 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 1 | 2 | 8 | 8 | 8 | 6 | 7 | 4 | 5 | 5 | 1 | 8 | 5 | 0 | 1 |
Worksheet -6 {1D 4R}, Abacus Small Friends Addition Formula + 3 = – 2 + 5
SMALL FRIEND ADDITION + 3 = – 2 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 1 3 3 2 | 2 2 3 1 | 7 -5 2 3 | 5 -5 4 3 | 4 3 -5 2 | 4 3 -5 2 | 3 3 -5 -1 | 4 -4 4 3 | 2 3 -5 1 | 1 3 3 -5 | 8 -5 3 3 | 9 -5 3 1 | 9 -4 -5 3 | 7 2 -5 3 | 5 4 -5 3 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 6 3 -7 3 | 1 3 3 3 | 2 3 4 -5 | 8 -5 3 -1 | 4 5 -5 3 | 7 -5 1 3 | 8 5 3 4 | 3 3 2 4 | 9 3 3 -6 | 1 8 -6 3 | 9 -9 2 3 | 4 5 -5 3 | 7 -5 3 -5 | 5 -5 3 3 | 1 6 -5 3 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 8 -8 4 3 | 3 3 -1 2 | 8 -7 1 3 | 1 1 1 3 | 6 -5 3 3 | 9 -6 3 1 | 5 -5 4 3 | 2 3 -5 8 | 7 -5 3 4 | 1 7 -5 3 | 6 -5 3 3 | 1 1 2 3 | 8 -6 2 3 | 3 3 -6 5 | 7 -5 1 3 |
Abacus Small Friends Addition Formula + 3 = – 2 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 9 | 8 | 7 | 7 | 4 | 4 | 0 | 7 | 1 | 2 | 9 | 8 | 3 | 7 | 7 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 5 | 10 | 4 | 5 | 7 | 6 | 20 | 12 | 9 | 6 | 5 | 7 | 10 | 6 | 5 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 7 | 7 | 5 | 6 | 7 | 7 | 8 | 8 | 9 | 6 | 7 | 7 | 7 | 5 | 6 |
Worksheet -7 {1D 3R}, Abacus Small Friends Addition Formula + 4 = – 1 + 5
SMALL FRIEND ADDITION + 4 = – 1 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 1 4 3 | 2 4 1 | 3 4 2 | 4 -3 4 | 2 -1 4 | 4 4 1 | 8 -5 4 | 1 1 4 | 9 -6 4 | 2 2 4 | 3 1 4 | 1 2 4 | 1 4 4 | 4 2 4 | 3 2 2 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 1 4 -5 | 2 4 -1 | 2 4 2 | 3 4 -1 | 4 4 -3 | 1 1 4 | 2 1 4 | 1 4 2 | 2 2 4 | 3 1 4 | 4 -3 4 | 3 4 -5 | 9 -7 4 | 4 4 -6 | 5 4 -5 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 1 8 -7 | 3 4 -3 | 4 4 -3 | 8 -8 9 | 3 4 2 | 4 4 -5 | 8 -7 4 | 8 -5 4 | 7 -5 4 | 3 -1 4 | 2 -1 4 | 9 -9 5 | 5 4 -6 | 4 4 -7 | 6 3 -4 |
Worksheet -7 {1D 3R}, Abacus Small Friends Addition Formula + 4 = – 1 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 8 | 7 | 9 | 5 | 5 | 9 | 7 | 6 | 8 | 8 | 8 | 7 | 9 | 10 | 7 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 0 | 5 | 8 | 6 | 5 | 6 | 7 | 7 | 8 | 8 | 5 | 2 | 6 | 2 | 4 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 2 | 4 | 5 | 9 | 9 | 3 | 5 | 7 | 6 | 6 | 5 | 5 | 3 | 1 | 5 |
Worksheet -8 {1D 4R}, Abacus Small Friends Addition Formula + 4 = – 1 + 5
SMALL FRIEND ADDITION + 4 = – 1 + 5
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| 1 4 3 -2 | 4 4 3 1 | 5 5 3 4 | 3 4 2 -6 | 2 4 5 4 | 9 -5 -2 4 | 4 4 5 5 | 5 4 5 4 | 9 -5 4 1 | 9 -7 4 3 | 1 4 -5 6 | 5 -5 3 4 | 7 -6 4 2 | 2 -1 4 -5 | 8 -5 4 -1 |
| 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| 9 -5 4 1 | 3 -1 4 2 | 9 -6 4 -2 | 4 -3 4 4 | 9 -9 2 4 | 4 -2 4 3 | 8 -8 3 4 | 3 -1 4 3 | 6 -6 4 4 | 2 7 -5 4 | 7 -7 1 1 | 1 4 -5 4 | 5 -5 4 4 | 5 -5 2 4 | 9 -7 4 -1 |
| 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| 4 -3 4 2 | 8 -8 4 4 | 2 -1 4 1 | 7 -7 3 4 | 3 -3 4 4 | 6 -6 3 4 | 1 4 -5 5 | 9 -8 4 4 | 1 4 -5 9 | 8 -5 4 -5 | 3 -3 3 4 | 7 -6 4 -5 | 2 -1 4 1 | 6 -5 4 3 | 4 -4 4 4 |
Worksheet -8 {1D 3R}, Abacus Small Friends Addition Formula + 4 = – 1 + 5 Answer Sheet
| A Row | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Ans. | 6 | 12 | 17 | 3 | 15 | 6 | 18 | 18 | 9 | 9 | 6 | 7 | 7 | 0 | 6 |
| B Row | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | 25 | 26 | 27 | 28 | 29 | 30 |
| Ans. | 9 | 8 | 5 | 9 | 6 | 9 | 7 | 9 | 8 | 8 | 2 | 4 | 8 | 6 | 5 |
| C Row | 31 | 32 | 33 | 34 | 35 | 36 | 37 | 38 | 39 | 40 | 41 | 42 | 43 | 44 | 45 |
| Ans. | 7 | 8 | 6 | 7 | 8 | 7 | 5 | 9 | 9 | 2 | 7 | 0 | 6 | 8 | 8 |
Abacus Small Friends (+) : How To Do Abacus Small Friends Addition Formula
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Conclusion
You see this is our abacus small friend postive technique. Now I feel that you must have understood the technique of Small Friend and the above given abacus worksheets must have helped you.
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