Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 357 · 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. 1.39 × 38 =
2. 2.299 × 296 =
3. 3.39 × 36 =
4. 4.19 × 17 =
5. 5.27 × 27 =
6. 6.66 × 68 =
7. 7.84 × 83 =
8. 8.58 × 58 =
9. 9.406 × 402 =
10. 10.206 × 201 =
11. 11.93 × 93 =
12. 12.39 × 37 =
13. 13.609 × 605 =
14. 14.203 × 202 =
15. 15.201 × 201 =
16. 16.38 × 36 =
17. 17.292 × 294 =
18. 18.67 × 69 =
19. 19.57 × 58 =
20. 20.294 × 299 =
21. 21.291 × 291 =
22. 22.297 × 295 =
23. 23.501 × 501 =
24. 24.299 × 298 =
25. 25.76 × 78 =
26. 26.46 × 49 =
27. 27.88 × 89 =
28. 28.24 × 23 =
29. 29.72 × 74 =
30. 30.303 × 307 =
31. 31.57 × 56 =
32. 32.77 × 78 =
33. 33.43 × 44 =
34. 34.72 × 71 =
35. 35.27 × 28 =
36. 36.509 × 507 =
37. 37.79 × 78 =
38. 38.16 × 17 =
39. 39.47 × 49 =
40. 40.89 × 89 =

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