Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 455 · 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. 1.31 × 34 =
2. 2.398 × 399 =
3. 3.503 × 502 =
4. 4.597 × 598 =
5. 5.93 × 93 =
6. 6.38 × 38 =
7. 7.22 × 24 =
8. 8.79 × 78 =
9. 9.28 × 28 =
10. 10.603 × 609 =
11. 11.76 × 79 =
12. 12.506 × 508 =
13. 13.49 × 46 =
14. 14.204 × 206 =
15. 15.86 × 88 =
16. 16.292 × 297 =
17. 17.191 × 198 =
18. 18.491 × 499 =
19. 19.33 × 32 =
20. 20.196 × 195 =
21. 21.49 × 47 =
22. 22.27 × 28 =
23. 23.53 × 51 =
24. 24.89 × 88 =
25. 25.79 × 79 =
26. 26.198 × 199 =
27. 27.93 × 94 =
28. 28.59 × 58 =
29. 29.18 × 18 =
30. 30.26 × 28 =
31. 31.596 × 599 =
32. 32.609 × 602 =
33. 33.309 × 304 =
34. 34.21 × 22 =
35. 35.33 × 32 =
36. 36.491 × 498 =
37. 37.19 × 17 =
38. 38.27 × 29 =
39. 39.305 × 306 =
40. 40.293 × 296 =

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