Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 926 · 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. 1.507 × 508 =
2. 2.36 × 36 =
3. 3.34 × 32 =
4. 4.402 × 407 =
5. 5.298 × 298 =
6. 6.72 × 72 =
7. 7.299 × 292 =
8. 8.596 × 595 =
9. 9.599 × 594 =
10. 10.27 × 26 =
11. 11.202 × 206 =
12. 12.401 × 404 =
13. 13.292 × 296 =
14. 14.64 × 64 =
15. 15.199 × 198 =
16. 16.94 × 93 =
17. 17.52 × 52 =
18. 18.91 × 92 =
19. 19.496 × 496 =
20. 20.596 × 595 =
21. 21.204 × 202 =
22. 22.52 × 51 =
23. 23.68 × 67 =
24. 24.405 × 406 =
25. 25.396 × 396 =
26. 26.24 × 24 =
27. 27.603 × 602 =
28. 28.27 × 29 =
29. 29.608 × 609 =
30. 30.192 × 193 =
31. 31.88 × 87 =
32. 32.394 × 391 =
33. 33.502 × 505 =
34. 34.78 × 79 =
35. 35.51 × 53 =
36. 36.67 × 67 =
37. 37.74 × 71 =
38. 38.24 × 21 =
39. 39.83 × 82 =
40. 40.49 × 48 =

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