Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 698 · 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. 1.597 × 598 =
2. 2.609 × 607 =
3. 3.204 × 207 =
4. 4.493 × 492 =
5. 5.37 × 39 =
6. 6.492 × 493 =
7. 7.198 × 192 =
8. 8.502 × 503 =
9. 9.305 × 302 =
10. 10.42 × 43 =
11. 11.408 × 406 =
12. 12.36 × 36 =
13. 13.408 × 403 =
14. 14.51 × 54 =
15. 15.296 × 297 =
16. 16.495 × 498 =
17. 17.74 × 73 =
18. 18.191 × 192 =
19. 19.28 × 29 =
20. 20.16 × 17 =
21. 21.17 × 18 =
22. 22.58 × 58 =
23. 23.594 × 596 =
24. 24.89 × 87 =
25. 25.24 × 24 =
26. 26.22 × 21 =
27. 27.59 × 58 =
28. 28.502 × 508 =
29. 29.503 × 505 =
30. 30.44 × 42 =
31. 31.294 × 299 =
32. 32.37 × 39 =
33. 33.82 × 84 =
34. 34.93 × 94 =
35. 35.408 × 402 =
36. 36.76 × 76 =
37. 37.493 × 498 =
38. 38.31 × 34 =
39. 39.88 × 87 =
40. 40.36 × 38 =

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