Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 631 · 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. 1.94 × 91 =
2. 2.202 × 207 =
3. 3.197 × 198 =
4. 4.84 × 81 =
5. 5.502 × 507 =
6. 6.66 × 66 =
7. 7.196 × 194 =
8. 8.604 × 604 =
9. 9.591 × 596 =
10. 10.608 × 607 =
11. 11.49 × 46 =
12. 12.19 × 16 =
13. 13.491 × 497 =
14. 14.64 × 63 =
15. 15.399 × 395 =
16. 16.298 × 297 =
17. 17.81 × 81 =
18. 18.66 × 69 =
19. 19.94 × 91 =
20. 20.21 × 24 =
21. 21.22 × 21 =
22. 22.28 × 26 =
23. 23.203 × 203 =
24. 24.594 × 597 =
25. 25.499 × 497 =
26. 26.29 × 28 =
27. 27.205 × 201 =
28. 28.57 × 56 =
29. 29.407 × 406 =
30. 30.38 × 38 =
31. 31.403 × 408 =
32. 32.599 × 598 =
33. 33.392 × 393 =
34. 34.88 × 88 =
35. 35.74 × 71 =
36. 36.406 × 405 =
37. 37.503 × 501 =
38. 38.64 × 61 =
39. 39.22 × 24 =
40. 40.33 × 33 =

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