Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 248 · 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. 1.31 × 32 =
2. 2.58 × 56 =
3. 3.17 × 17 =
4. 4.506 × 506 =
5. 5.39 × 39 =
6. 6.21 × 23 =
7. 7.199 × 194 =
8. 8.58 × 59 =
9. 9.396 × 394 =
10. 10.402 × 402 =
11. 11.62 × 61 =
12. 12.22 × 21 =
13. 13.306 × 308 =
14. 14.92 × 94 =
15. 15.504 × 504 =
16. 16.87 × 89 =
17. 17.21 × 22 =
18. 18.91 × 94 =
19. 19.192 × 197 =
20. 20.54 × 51 =
21. 21.29 × 26 =
22. 22.87 × 88 =
23. 23.601 × 609 =
24. 24.305 × 302 =
25. 25.603 × 607 =
26. 26.194 × 198 =
27. 27.23 × 22 =
28. 28.602 × 603 =
29. 29.29 × 27 =
30. 30.307 × 309 =
31. 31.404 × 404 =
32. 32.31 × 31 =
33. 33.83 × 81 =
34. 34.87 × 86 =
35. 35.398 × 398 =
36. 36.48 × 49 =
37. 37.64 × 62 =
38. 38.298 × 295 =
39. 39.503 × 503 =
40. 40.394 × 395 =

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