Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 961 · 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. 1.52 × 54 =
2. 2.91 × 93 =
3. 3.297 × 295 =
4. 4.306 × 305 =
5. 5.89 × 88 =
6. 6.192 × 195 =
7. 7.596 × 594 =
8. 8.16 × 19 =
9. 9.603 × 606 =
10. 10.37 × 36 =
11. 11.499 × 493 =
12. 12.44 × 41 =
13. 13.596 × 592 =
14. 14.91 × 91 =
15. 15.44 × 42 =
16. 16.505 × 506 =
17. 17.72 × 72 =
18. 18.62 × 64 =
19. 19.87 × 86 =
20. 20.409 × 406 =
21. 21.18 × 18 =
22. 22.296 × 296 =
23. 23.604 × 605 =
24. 24.44 × 41 =
25. 25.195 × 194 =
26. 26.199 × 195 =
27. 27.89 × 87 =
28. 28.28 × 29 =
29. 29.194 × 198 =
30. 30.198 × 194 =
31. 31.506 × 502 =
32. 32.398 × 398 =
33. 33.502 × 506 =
34. 34.303 × 302 =
35. 35.88 × 88 =
36. 36.191 × 199 =
37. 37.88 × 88 =
38. 38.206 × 209 =
39. 39.495 × 494 =
40. 40.23 × 23 =

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