Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 881 · 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. 1.29 × 28 =
2. 2.49 × 46 =
3. 3.83 × 82 =
4. 4.44 × 42 =
5. 5.42 × 42 =
6. 6.599 × 591 =
7. 7.204 × 208 =
8. 8.402 × 405 =
9. 9.495 × 496 =
10. 10.294 × 298 =
11. 11.47 × 47 =
12. 12.76 × 77 =
13. 13.49 × 47 =
14. 14.69 × 68 =
15. 15.192 × 195 =
16. 16.599 × 594 =
17. 17.401 × 409 =
18. 18.198 × 199 =
19. 19.23 × 22 =
20. 20.394 × 396 =
21. 21.501 × 508 =
22. 22.92 × 93 =
23. 23.601 × 608 =
24. 24.79 × 78 =
25. 25.91 × 93 =
26. 26.78 × 76 =
27. 27.398 × 399 =
28. 28.18 × 16 =
29. 29.409 × 403 =
30. 30.593 × 598 =
31. 31.66 × 67 =
32. 32.494 × 491 =
33. 33.29 × 26 =
34. 34.56 × 56 =
35. 35.33 × 33 =
36. 36.92 × 91 =
37. 37.59 × 58 =
38. 38.69 × 69 =
39. 39.58 × 57 =
40. 40.16 × 17 =

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