Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 34 · 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. 1.504 × 509 =
2. 2.88 × 88 =
3. 3.492 × 497 =
4. 4.402 × 403 =
5. 5.16 × 16 =
6. 6.93 × 91 =
7. 7.599 × 599 =
8. 8.27 × 28 =
9. 9.21 × 21 =
10. 10.305 × 301 =
11. 11.59 × 58 =
12. 12.33 × 31 =
13. 13.32 × 31 =
14. 14.19 × 18 =
15. 15.56 × 59 =
16. 16.43 × 44 =
17. 17.28 × 28 =
18. 18.61 × 63 =
19. 19.397 × 394 =
20. 20.33 × 31 =
21. 21.64 × 61 =
22. 22.64 × 62 =
23. 23.204 × 207 =
24. 24.595 × 593 =
25. 25.601 × 603 =
26. 26.393 × 397 =
27. 27.507 × 509 =
28. 28.297 × 294 =
29. 29.506 × 506 =
30. 30.54 × 52 =
31. 31.66 × 66 =
32. 32.501 × 502 =
33. 33.71 × 73 =
34. 34.56 × 58 =
35. 35.503 × 503 =
36. 36.51 × 52 =
37. 37.498 × 492 =
38. 38.203 × 207 =
39. 39.602 × 605 =
40. 40.595 × 593 =

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