Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 862 · 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. 1.494 × 491 =
2. 2.298 × 294 =
3. 3.51 × 52 =
4. 4.596 × 599 =
5. 5.73 × 72 =
6. 6.508 × 504 =
7. 7.305 × 302 =
8. 8.86 × 88 =
9. 9.83 × 84 =
10. 10.198 × 191 =
11. 11.69 × 67 =
12. 12.57 × 56 =
13. 13.192 × 195 =
14. 14.295 × 298 =
15. 15.59 × 56 =
16. 16.403 × 405 =
17. 17.298 × 292 =
18. 18.194 × 193 =
19. 19.83 × 82 =
20. 20.31 × 32 =
21. 21.91 × 93 =
22. 22.602 × 606 =
23. 23.26 × 28 =
24. 24.33 × 31 =
25. 25.41 × 42 =
26. 26.394 × 394 =
27. 27.29 × 26 =
28. 28.34 × 34 =
29. 29.21 × 24 =
30. 30.607 × 602 =
31. 31.402 × 403 =
32. 32.76 × 79 =
33. 33.38 × 37 =
34. 34.197 × 199 =
35. 35.57 × 58 =
36. 36.301 × 301 =
37. 37.199 × 197 =
38. 38.593 × 593 =
39. 39.207 × 205 =
40. 40.49 × 49 =

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