Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 908 · 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. 1.64 × 62 =
2. 2.62 × 62 =
3. 3.606 × 607 =
4. 4.48 × 47 =
5. 5.193 × 197 =
6. 6.496 × 497 =
7. 7.63 × 62 =
8. 8.26 × 29 =
9. 9.48 × 46 =
10. 10.57 × 56 =
11. 11.82 × 81 =
12. 12.509 × 502 =
13. 13.52 × 51 =
14. 14.18 × 19 =
15. 15.196 × 199 =
16. 16.401 × 405 =
17. 17.297 × 299 =
18. 18.305 × 302 =
19. 19.67 × 68 =
20. 20.72 × 72 =
21. 21.507 × 506 =
22. 22.72 × 72 =
23. 23.26 × 29 =
24. 24.493 × 497 =
25. 25.47 × 47 =
26. 26.496 × 496 =
27. 27.203 × 207 =
28. 28.56 × 59 =
29. 29.18 × 19 =
30. 30.91 × 93 =
31. 31.194 × 195 =
32. 32.599 × 599 =
33. 33.291 × 295 =
34. 34.309 × 305 =
35. 35.297 × 295 =
36. 36.19 × 17 =
37. 37.89 × 87 =
38. 38.22 × 23 =
39. 39.81 × 81 =
40. 40.27 × 29 =

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