Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 982 · 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. 1.297 × 295 =
2. 2.51 × 52 =
3. 3.207 × 206 =
4. 4.68 × 69 =
5. 5.498 × 493 =
6. 6.18 × 17 =
7. 7.193 × 191 =
8. 8.605 × 607 =
9. 9.33 × 31 =
10. 10.595 × 596 =
11. 11.191 × 191 =
12. 12.307 × 309 =
13. 13.291 × 292 =
14. 14.53 × 53 =
15. 15.295 × 296 =
16. 16.26 × 29 =
17. 17.19 × 16 =
18. 18.304 × 304 =
19. 19.609 × 602 =
20. 20.56 × 56 =
21. 21.291 × 296 =
22. 22.298 × 292 =
23. 23.89 × 88 =
24. 24.207 × 203 =
25. 25.73 × 71 =
26. 26.197 × 199 =
27. 27.509 × 509 =
28. 28.17 × 16 =
29. 29.202 × 201 =
30. 30.19 × 17 =
31. 31.89 × 87 =
32. 32.89 × 89 =
33. 33.492 × 491 =
34. 34.23 × 24 =
35. 35.46 × 47 =
36. 36.49 × 46 =
37. 37.491 × 495 =
38. 38.206 × 202 =
39. 39.196 × 194 =
40. 40.63 × 61 =

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