Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 818 · 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. 1.44 × 41 =
2. 2.304 × 308 =
3. 3.61 × 61 =
4. 4.58 × 58 =
5. 5.63 × 62 =
6. 6.19 × 18 =
7. 7.299 × 296 =
8. 8.398 × 395 =
9. 9.203 × 209 =
10. 10.92 × 91 =
11. 11.602 × 604 =
12. 12.29 × 27 =
13. 13.297 × 296 =
14. 14.82 × 84 =
15. 15.199 × 198 =
16. 16.92 × 93 =
17. 17.509 × 507 =
18. 18.46 × 48 =
19. 19.201 × 204 =
20. 20.297 × 291 =
21. 21.292 × 296 =
22. 22.81 × 82 =
23. 23.194 × 192 =
24. 24.499 × 499 =
25. 25.299 × 299 =
26. 26.37 × 37 =
27. 27.197 × 191 =
28. 28.59 × 57 =
29. 29.89 × 86 =
30. 30.82 × 83 =
31. 31.31 × 31 =
32. 32.192 × 195 =
33. 33.66 × 69 =
34. 34.23 × 21 =
35. 35.67 × 67 =
36. 36.91 × 92 =
37. 37.291 × 295 =
38. 38.303 × 305 =
39. 39.68 × 68 =
40. 40.76 × 79 =

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