Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 696 · 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. 1.501 × 504 =
2. 2.93 × 94 =
3. 3.498 × 496 =
4. 4.507 × 502 =
5. 5.33 × 33 =
6. 6.71 × 73 =
7. 7.67 × 68 =
8. 8.596 × 597 =
9. 9.303 × 306 =
10. 10.74 × 71 =
11. 11.302 × 304 =
12. 12.19 × 18 =
13. 13.199 × 192 =
14. 14.46 × 49 =
15. 15.68 × 68 =
16. 16.197 × 191 =
17. 17.24 × 24 =
18. 18.58 × 57 =
19. 19.393 × 398 =
20. 20.26 × 27 =
21. 21.498 × 498 =
22. 22.16 × 17 =
23. 23.499 × 492 =
24. 24.56 × 56 =
25. 25.602 × 602 =
26. 26.599 × 592 =
27. 27.89 × 88 =
28. 28.48 × 47 =
29. 29.72 × 74 =
30. 30.302 × 307 =
31. 31.301 × 302 =
32. 32.21 × 24 =
33. 33.294 × 298 =
34. 34.396 × 394 =
35. 35.508 × 502 =
36. 36.302 × 308 =
37. 37.407 × 401 =
38. 38.598 × 592 =
39. 39.24 × 22 =
40. 40.303 × 302 =

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