Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 286 · 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. 1.591 × 599 =
2. 2.74 × 72 =
3. 3.391 × 393 =
4. 4.26 × 29 =
5. 5.86 × 88 =
6. 6.89 × 86 =
7. 7.42 × 43 =
8. 8.502 × 508 =
9. 9.497 × 499 =
10. 10.24 × 22 =
11. 11.57 × 57 =
12. 12.606 × 605 =
13. 13.594 × 597 =
14. 14.197 × 192 =
15. 15.194 × 195 =
16. 16.29 × 29 =
17. 17.196 × 199 =
18. 18.601 × 602 =
19. 19.91 × 92 =
20. 20.92 × 93 =
21. 21.56 × 58 =
22. 22.592 × 597 =
23. 23.394 × 393 =
24. 24.94 × 91 =
25. 25.59 × 58 =
26. 26.77 × 77 =
27. 27.79 × 77 =
28. 28.16 × 17 =
29. 29.46 × 48 =
30. 30.21 × 24 =
31. 31.54 × 51 =
32. 32.599 × 592 =
33. 33.499 × 494 =
34. 34.84 × 81 =
35. 35.304 × 308 =
36. 36.63 × 63 =
37. 37.19 × 17 =
38. 38.26 × 27 =
39. 39.68 × 68 =
40. 40.18 × 18 =

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