Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 439 · 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. 1.301 × 303 =
2. 2.294 × 297 =
3. 3.493 × 496 =
4. 4.24 × 21 =
5. 5.496 × 498 =
6. 6.509 × 505 =
7. 7.594 × 596 =
8. 8.19 × 19 =
9. 9.57 × 59 =
10. 10.79 × 79 =
11. 11.508 × 502 =
12. 12.73 × 74 =
13. 13.93 × 91 =
14. 14.94 × 92 =
15. 15.27 × 29 =
16. 16.398 × 396 =
17. 17.66 × 69 =
18. 18.19 × 18 =
19. 19.18 × 18 =
20. 20.54 × 51 =
21. 21.195 × 193 =
22. 22.39 × 38 =
23. 23.308 × 303 =
24. 24.203 × 206 =
25. 25.58 × 57 =
26. 26.197 × 195 =
27. 27.403 × 408 =
28. 28.88 × 88 =
29. 29.19 × 19 =
30. 30.17 × 18 =
31. 31.498 × 497 =
32. 32.306 × 302 =
33. 33.603 × 606 =
34. 34.78 × 76 =
35. 35.74 × 74 =
36. 36.41 × 42 =
37. 37.193 × 198 =
38. 38.402 × 407 =
39. 39.81 × 84 =
40. 40.26 × 27 =

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