Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 497 · 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. 1.306 × 308 =
2. 2.78 × 79 =
3. 3.499 × 494 =
4. 4.57 × 59 =
5. 5.594 × 595 =
6. 6.396 × 398 =
7. 7.192 × 193 =
8. 8.406 × 406 =
9. 9.86 × 88 =
10. 10.291 × 299 =
11. 11.605 × 603 =
12. 12.87 × 88 =
13. 13.491 × 492 =
14. 14.21 × 23 =
15. 15.296 × 298 =
16. 16.291 × 294 =
17. 17.71 × 74 =
18. 18.26 × 29 =
19. 19.309 × 306 =
20. 20.301 × 303 =
21. 21.302 × 305 =
22. 22.299 × 298 =
23. 23.596 × 592 =
24. 24.71 × 74 =
25. 25.398 × 397 =
26. 26.295 × 298 =
27. 27.24 × 23 =
28. 28.592 × 595 =
29. 29.86 × 89 =
30. 30.194 × 195 =
31. 31.198 × 191 =
32. 32.194 × 198 =
33. 33.204 × 208 =
34. 34.193 × 193 =
35. 35.94 × 93 =
36. 36.407 × 406 =
37. 37.57 × 57 =
38. 38.203 × 204 =
39. 39.67 × 67 =
40. 40.301 × 304 =

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