Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 15 · 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. 1.495 × 497 =
2. 2.57 × 56 =
3. 3.39 × 36 =
4. 4.496 × 495 =
5. 5.19 × 16 =
6. 6.46 × 46 =
7. 7.37 × 37 =
8. 8.44 × 44 =
9. 9.191 × 196 =
10. 10.196 × 192 =
11. 11.87 × 88 =
12. 12.395 × 396 =
13. 13.18 × 19 =
14. 14.23 × 22 =
15. 15.303 × 309 =
16. 16.89 × 88 =
17. 17.602 × 602 =
18. 18.294 × 295 =
19. 19.597 × 594 =
20. 20.493 × 497 =
21. 21.74 × 71 =
22. 22.57 × 59 =
23. 23.51 × 53 =
24. 24.395 × 393 =
25. 25.308 × 303 =
26. 26.394 × 396 =
27. 27.36 × 37 =
28. 28.56 × 57 =
29. 29.304 × 308 =
30. 30.56 × 59 =
31. 31.71 × 71 =
32. 32.37 × 37 =
33. 33.495 × 497 =
34. 34.599 × 596 =
35. 35.595 × 595 =
36. 36.297 × 291 =
37. 37.31 × 31 =
38. 38.71 × 73 =
39. 39.604 × 603 =
40. 40.28 × 28 =

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