Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 454 · 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. 1.201 × 207 =
2. 2.67 × 69 =
3. 3.201 × 206 =
4. 4.398 × 395 =
5. 5.48 × 48 =
6. 6.296 × 294 =
7. 7.598 × 595 =
8. 8.294 × 292 =
9. 9.193 × 193 =
10. 10.304 × 301 =
11. 11.498 × 498 =
12. 12.86 × 86 =
13. 13.86 × 86 =
14. 14.207 × 207 =
15. 15.31 × 34 =
16. 16.405 × 401 =
17. 17.294 × 298 =
18. 18.36 × 38 =
19. 19.309 × 308 =
20. 20.53 × 51 =
21. 21.76 × 78 =
22. 22.53 × 53 =
23. 23.193 × 199 =
24. 24.204 × 202 =
25. 25.67 × 67 =
26. 26.303 × 301 =
27. 27.395 × 399 =
28. 28.496 × 492 =
29. 29.391 × 399 =
30. 30.83 × 84 =
31. 31.295 × 293 =
32. 32.83 × 84 =
33. 33.495 × 497 =
34. 34.507 × 508 =
35. 35.89 × 89 =
36. 36.32 × 32 =
37. 37.88 × 89 =
38. 38.201 × 208 =
39. 39.603 × 601 =
40. 40.36 × 37 =

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