Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 586 · 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. 2.495 × 498 =
3. 3.492 × 491 =
4. 4.91 × 91 =
5. 5.17 × 18 =
6. 6.308 × 303 =
7. 7.22 × 21 =
8. 8.39 × 37 =
9. 9.19 × 16 =
10. 10.196 × 197 =
11. 11.63 × 63 =
12. 12.46 × 48 =
13. 13.295 × 291 =
14. 14.198 × 193 =
15. 15.504 × 504 =
16. 16.18 × 19 =
17. 17.17 × 17 =
18. 18.18 × 16 =
19. 19.502 × 502 =
20. 20.196 × 196 =
21. 21.598 × 598 =
22. 22.56 × 58 =
23. 23.206 × 202 =
24. 24.57 × 56 =
25. 25.87 × 88 =
26. 26.307 × 307 =
27. 27.303 × 305 =
28. 28.208 × 206 =
29. 29.66 × 66 =
30. 30.36 × 38 =
31. 31.205 × 208 =
32. 32.53 × 53 =
33. 33.298 × 292 =
34. 34.594 × 597 =
35. 35.304 × 304 =
36. 36.502 × 507 =
37. 37.593 × 593 =
38. 38.392 × 396 =
39. 39.69 × 66 =
40. 40.393 × 396 =

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