Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 133 · 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. 1.37 × 39 =
2. 2.34 × 33 =
3. 3.74 × 72 =
4. 4.598 × 599 =
5. 5.393 × 393 =
6. 6.308 × 303 =
7. 7.305 × 308 =
8. 8.199 × 192 =
9. 9.28 × 28 =
10. 10.409 × 401 =
11. 11.82 × 81 =
12. 12.402 × 409 =
13. 13.22 × 24 =
14. 14.66 × 66 =
15. 15.592 × 594 =
16. 16.56 × 58 =
17. 17.397 × 395 =
18. 18.88 × 86 =
19. 19.493 × 498 =
20. 20.66 × 67 =
21. 21.301 × 303 =
22. 22.32 × 31 =
23. 23.82 × 82 =
24. 24.49 × 46 =
25. 25.393 × 395 =
26. 26.198 × 192 =
27. 27.32 × 32 =
28. 28.207 × 201 =
29. 29.599 × 597 =
30. 30.197 × 198 =
31. 31.404 × 407 =
32. 32.204 × 203 =
33. 33.201 × 203 =
34. 34.94 × 93 =
35. 35.19 × 19 =
36. 36.43 × 43 =
37. 37.192 × 195 =
38. 38.29 × 26 =
39. 39.91 × 94 =
40. 40.72 × 73 =

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