Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 389 · 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. 1.498 × 494 =
2. 2.87 × 86 =
3. 3.308 × 304 =
4. 4.194 × 194 =
5. 5.68 × 68 =
6. 6.89 × 88 =
7. 7.195 × 194 =
8. 8.34 × 32 =
9. 9.27 × 26 =
10. 10.21 × 21 =
11. 11.504 × 502 =
12. 12.294 × 292 =
13. 13.203 × 202 =
14. 14.509 × 507 =
15. 15.201 × 207 =
16. 16.23 × 24 =
17. 17.73 × 71 =
18. 18.26 × 29 =
19. 19.49 × 47 =
20. 20.192 × 193 =
21. 21.307 × 302 =
22. 22.599 × 599 =
23. 23.31 × 33 =
24. 24.37 × 36 =
25. 25.68 × 69 =
26. 26.509 × 508 =
27. 27.72 × 74 =
28. 28.56 × 59 =
29. 29.28 × 26 =
30. 30.508 × 507 =
31. 31.74 × 72 =
32. 32.38 × 37 =
33. 33.18 × 16 =
34. 34.403 × 406 =
35. 35.61 × 63 =
36. 36.494 × 492 =
37. 37.26 × 26 =
38. 38.39 × 39 =
39. 39.295 × 291 =
40. 40.191 × 192 =

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