Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 867 · 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. 1.32 × 31 =
2. 2.69 × 67 =
3. 3.604 × 606 =
4. 4.48 × 49 =
5. 5.203 × 207 =
6. 6.607 × 605 =
7. 7.93 × 92 =
8. 8.83 × 81 =
9. 9.303 × 308 =
10. 10.18 × 17 =
11. 11.295 × 297 =
12. 12.209 × 209 =
13. 13.399 × 395 =
14. 14.398 × 396 =
15. 15.196 × 191 =
16. 16.54 × 51 =
17. 17.491 × 499 =
18. 18.401 × 404 =
19. 19.194 × 198 =
20. 20.36 × 39 =
21. 21.605 × 605 =
22. 22.59 × 57 =
23. 23.395 × 399 =
24. 24.19 × 19 =
25. 25.494 × 494 =
26. 26.595 × 592 =
27. 27.498 × 493 =
28. 28.29 × 29 =
29. 29.495 × 498 =
30. 30.88 × 88 =
31. 31.601 × 604 =
32. 32.19 × 18 =
33. 33.595 × 591 =
34. 34.396 × 393 =
35. 35.402 × 406 =
36. 36.79 × 76 =
37. 37.298 × 296 =
38. 38.33 × 32 =
39. 39.39 × 39 =
40. 40.87 × 88 =

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