Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 582 · 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. 1.79 × 77 =
2. 2.602 × 601 =
3. 3.17 × 16 =
4. 4.498 × 496 =
5. 5.505 × 501 =
6. 6.94 × 91 =
7. 7.82 × 82 =
8. 8.67 × 69 =
9. 9.498 × 494 =
10. 10.503 × 507 =
11. 11.76 × 76 =
12. 12.504 × 502 =
13. 13.396 × 391 =
14. 14.27 × 26 =
15. 15.295 × 291 =
16. 16.497 × 492 =
17. 17.69 × 67 =
18. 18.66 × 66 =
19. 19.191 × 195 =
20. 20.195 × 198 =
21. 21.202 × 204 =
22. 22.34 × 34 =
23. 23.29 × 27 =
24. 24.67 × 68 =
25. 25.19 × 19 =
26. 26.196 × 195 =
27. 27.19 × 19 =
28. 28.493 × 493 =
29. 29.608 × 603 =
30. 30.76 × 79 =
31. 31.602 × 604 =
32. 32.303 × 303 =
33. 33.591 × 598 =
34. 34.606 × 608 =
35. 35.294 × 293 =
36. 36.492 × 498 =
37. 37.77 × 79 =
38. 38.406 × 404 =
39. 39.61 × 62 =
40. 40.91 × 92 =

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