Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 20 · 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. 1.204 × 208 =
2. 2.89 × 88 =
3. 3.598 × 592 =
4. 4.406 × 401 =
5. 5.81 × 83 =
6. 6.199 × 195 =
7. 7.199 × 198 =
8. 8.61 × 63 =
9. 9.67 × 67 =
10. 10.594 × 597 =
11. 11.304 × 302 =
12. 12.598 × 591 =
13. 13.303 × 303 =
14. 14.607 × 607 =
15. 15.62 × 64 =
16. 16.499 × 495 =
17. 17.91 × 91 =
18. 18.493 × 494 =
19. 19.402 × 408 =
20. 20.54 × 52 =
21. 21.404 × 401 =
22. 22.591 × 594 =
23. 23.297 × 299 =
24. 24.86 × 89 =
25. 25.193 × 192 =
26. 26.53 × 53 =
27. 27.68 × 69 =
28. 28.61 × 64 =
29. 29.21 × 24 =
30. 30.498 × 496 =
31. 31.34 × 32 =
32. 32.604 × 604 =
33. 33.398 × 392 =
34. 34.194 × 192 =
35. 35.57 × 59 =
36. 36.592 × 594 =
37. 37.401 × 408 =
38. 38.88 × 86 =
39. 39.43 × 41 =
40. 40.191 × 198 =

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