Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 854 · 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. 1.293 × 298 =
2. 2.41 × 41 =
3. 3.497 × 493 =
4. 4.494 × 492 =
5. 5.69 × 66 =
6. 6.18 × 17 =
7. 7.19 × 18 =
8. 8.602 × 603 =
9. 9.93 × 94 =
10. 10.71 × 72 =
11. 11.89 × 87 =
12. 12.24 × 23 =
13. 13.591 × 591 =
14. 14.59 × 59 =
15. 15.38 × 36 =
16. 16.599 × 597 =
17. 17.599 × 598 =
18. 18.199 × 193 =
19. 19.51 × 52 =
20. 20.62 × 63 =
21. 21.39 × 38 =
22. 22.299 × 296 =
23. 23.492 × 494 =
24. 24.68 × 69 =
25. 25.292 × 292 =
26. 26.193 × 198 =
27. 27.28 × 28 =
28. 28.59 × 56 =
29. 29.407 × 402 =
30. 30.203 × 207 =
31. 31.71 × 74 =
32. 32.293 × 292 =
33. 33.508 × 507 =
34. 34.22 × 22 =
35. 35.191 × 193 =
36. 36.31 × 34 =
37. 37.68 × 67 =
38. 38.74 × 73 =
39. 39.72 × 72 =
40. 40.394 × 394 =

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