Om Jitender Singh Tomar
M.A., B.Ed., DNYS, MASSCOM
(Specialist in Basic and Vedic Maths)
12/1/29/11/2021
Multiplication 2 and 3 Digit Extended Method
in 2 Digit × 1 Digit
A B
× C
We can also write it in this way.
A / B
× C
A0 / B
× C
A×C/B×C
7 6
× 3
7 6
× 3
21 / ¹8
= 228
6 5
× 3
6 5
× 3
18 / ¹5
= 195
Practice Exercise (01)
(a)
76 65 54 43 32
×3 ×3 × 0 × 0 ×0
23 12 34 44 20
×2 ×2 × 2 × 2 ×2
23 12 33 11 20
×3 ×3 × 3 × 3 ×3
22 12 22 11 20
×4 ×4 × 3 × 4 ×4
Solution
7 6
× 3
7 6
× 3
21 / ¹8
= 228
6 5
× 3
6 5
× 3
18 / ¹5
= 195
(b)
12 23 34 45 56
×5 ×5 × 5 × 5 ×5
67 78 89 98 87
×5 ×5 × 5 × 5 ×5
76 65 54 43 32
×5 ×5 × 5 × 5 ×5
Solution
1 2
× 5
1 2
× 5
5 / ¹0
= 60
2 3
× 5
2 3
× 5
10 / ¹5
= 115
(c)
153 223 354 435 567
×4 ×4 × 4 × 4 ×4
567 678 289 398 487
×4 ×4 × 4 × 4 ×4
176 265 354 443 532
×4 ×4 × 4 × 4 ×4
Solution
153
× 4
153
× 4
4 /²0/ ¹2
= 618
223
× 4
223
× 4
8 /8/ ¹2
= 892
(d)
634 234 345 456 567
×6 ×6 × 6 × 5 ×5
657 768 879 978 867
×4 ×4 × 7 × 7 ×7
763 654 545 436 324
×8 ×8 × 9 × 9 ×9
Solution.
634
× 6
634
× 6
36 /¹8/ ²4
= 3804
234
× 6
234
× 6
12 /¹8/ ²4
= 1404
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