Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 393 · 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. 1.591 × 599 =
2. 2.21 × 22 =
3. 3.506 × 501 =
4. 4.78 × 76 =
5. 5.32 × 33 =
6. 6.38 × 36 =
7. 7.86 × 88 =
8. 8.509 × 507 =
9. 9.296 × 296 =
10. 10.92 × 92 =
11. 11.395 × 391 =
12. 12.59 × 59 =
13. 13.503 × 501 =
14. 14.307 × 306 =
15. 15.88 × 87 =
16. 16.502 × 505 =
17. 17.406 × 408 =
18. 18.44 × 42 =
19. 19.76 × 76 =
20. 20.603 × 607 =
21. 21.28 × 29 =
22. 22.398 × 396 =
23. 23.203 × 204 =
24. 24.34 × 34 =
25. 25.73 × 71 =
26. 26.18 × 19 =
27. 27.495 × 495 =
28. 28.191 × 197 =
29. 29.394 × 392 =
30. 30.23 × 22 =
31. 31.18 × 19 =
32. 32.303 × 303 =
33. 33.296 × 297 =
34. 34.59 × 56 =
35. 35.406 × 405 =
36. 36.592 × 592 =
37. 37.22 × 21 =
38. 38.36 × 39 =
39. 39.19 × 16 =
40. 40.49 × 46 =

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