Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 693 · 40 sums

The trick (Anurupyena): Pick the working base (like 40 = 4 × 10 or 300 = 3 × 100) and write each number’s difference from it. Cross-add as in trick 3, then multiply that left part by 4 (or 3, 5…). Right part: multiply the differences — 1 digit for a × 10 base, 2 digits for a × 100 base (carry the extra).

1. 1.93 × 91 =
2. 2.57 × 59 =
3. 3.59 × 57 =
4. 4.72 × 71 =
5. 5.27 × 26 =
6. 6.46 × 47 =
7. 7.48 × 48 =
8. 8.308 × 307 =
9. 9.21 × 23 =
10. 10.598 × 593 =
11. 11.72 × 74 =
12. 12.67 × 69 =
13. 13.49 × 48 =
14. 14.38 × 38 =
15. 15.57 × 59 =
16. 16.395 × 399 =
17. 17.593 × 595 =
18. 18.407 × 401 =
19. 19.599 × 599 =
20. 20.596 × 596 =
21. 21.598 × 591 =
22. 22.48 × 49 =
23. 23.199 × 196 =
24. 24.19 × 18 =
25. 25.498 × 492 =
26. 26.28 × 26 =
27. 27.39 × 39 =
28. 28.407 × 402 =
29. 29.56 × 57 =
30. 30.298 × 292 =
31. 31.59 × 58 =
32. 32.82 × 84 =
33. 33.309 × 303 =
34. 34.44 × 41 =
35. 35.408 × 401 =
36. 36.71 × 72 =
37. 37.301 × 304 =
38. 38.591 × 593 =
39. 39.63 × 64 =
40. 40.79 × 79 =

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