Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 484 · 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. 1.394 × 396 =
2. 2.28 × 29 =
3. 3.497 × 495 =
4. 4.201 × 203 =
5. 5.41 × 43 =
6. 6.26 × 26 =
7. 7.605 × 602 =
8. 8.86 × 87 =
9. 9.64 × 64 =
10. 10.22 × 21 =
11. 11.298 × 291 =
12. 12.506 × 505 =
13. 13.82 × 84 =
14. 14.507 × 507 =
15. 15.16 × 16 =
16. 16.392 × 393 =
17. 17.302 × 304 =
18. 18.203 × 205 =
19. 19.64 × 61 =
20. 20.192 × 194 =
21. 21.81 × 81 =
22. 22.16 × 17 =
23. 23.407 × 409 =
24. 24.69 × 69 =
25. 25.41 × 42 =
26. 26.76 × 79 =
27. 27.49 × 46 =
28. 28.93 × 94 =
29. 29.199 × 195 =
30. 30.306 × 308 =
31. 31.22 × 21 =
32. 32.294 × 297 =
33. 33.57 × 57 =
34. 34.396 × 399 =
35. 35.28 × 27 =
36. 36.603 × 604 =
37. 37.83 × 81 =
38. 38.305 × 303 =
39. 39.63 × 63 =
40. 40.397 × 398 =

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