Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 448 · 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. 1.67 × 66 =
2. 2.44 × 43 =
3. 3.93 × 92 =
4. 4.86 × 88 =
5. 5.298 × 298 =
6. 6.93 × 91 =
7. 7.87 × 88 =
8. 8.496 × 496 =
9. 9.29 × 26 =
10. 10.195 × 191 =
11. 11.507 × 506 =
12. 12.73 × 71 =
13. 13.298 × 295 =
14. 14.36 × 38 =
15. 15.593 × 597 =
16. 16.492 × 495 =
17. 17.88 × 86 =
18. 18.197 × 199 =
19. 19.82 × 83 =
20. 20.196 × 196 =
21. 21.596 × 593 =
22. 22.51 × 52 =
23. 23.23 × 24 =
24. 24.201 × 202 =
25. 25.495 × 496 =
26. 26.308 × 305 =
27. 27.205 × 208 =
28. 28.199 × 195 =
29. 29.72 × 72 =
30. 30.28 × 27 =
31. 31.17 × 16 =
32. 32.86 × 89 =
33. 33.493 × 493 =
34. 34.18 × 16 =
35. 35.83 × 81 =
36. 36.91 × 93 =
37. 37.191 × 193 =
38. 38.81 × 83 =
39. 39.601 × 605 =
40. 40.496 × 491 =

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