Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 521 · 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. 1.88 × 87 =
2. 2.496 × 491 =
3. 3.599 × 593 =
4. 4.88 × 89 =
5. 5.34 × 31 =
6. 6.54 × 54 =
7. 7.17 × 17 =
8. 8.509 × 501 =
9. 9.295 × 299 =
10. 10.491 × 493 =
11. 11.408 × 404 =
12. 12.62 × 63 =
13. 13.61 × 62 =
14. 14.46 × 49 =
15. 15.502 × 509 =
16. 16.61 × 63 =
17. 17.56 × 58 =
18. 18.78 × 78 =
19. 19.195 × 199 =
20. 20.57 × 59 =
21. 21.51 × 52 =
22. 22.38 × 37 =
23. 23.202 × 201 =
24. 24.29 × 26 =
25. 25.81 × 84 =
26. 26.64 × 63 =
27. 27.92 × 94 =
28. 28.79 × 79 =
29. 29.23 × 23 =
30. 30.193 × 192 =
31. 31.46 × 46 =
32. 32.595 × 593 =
33. 33.73 × 73 =
34. 34.392 × 396 =
35. 35.409 × 406 =
36. 36.17 × 19 =
37. 37.58 × 58 =
38. 38.93 × 94 =
39. 39.197 × 197 =
40. 40.201 × 203 =

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