Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 392 · 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. 1.29 × 26 =
2. 2.492 × 493 =
3. 3.87 × 88 =
4. 4.92 × 91 =
5. 5.402 × 408 =
6. 6.56 × 57 =
7. 7.33 × 32 =
8. 8.24 × 21 =
9. 9.394 × 394 =
10. 10.594 × 592 =
11. 11.29 × 28 =
12. 12.28 × 28 =
13. 13.401 × 402 =
14. 14.31 × 31 =
15. 15.197 × 198 =
16. 16.309 × 308 =
17. 17.54 × 52 =
18. 18.77 × 77 =
19. 19.496 × 491 =
20. 20.52 × 52 =
21. 21.305 × 309 =
22. 22.49 × 48 =
23. 23.197 × 198 =
24. 24.67 × 66 =
25. 25.83 × 82 =
26. 26.294 × 292 =
27. 27.76 × 79 =
28. 28.36 × 39 =
29. 29.201 × 206 =
30. 30.397 × 396 =
31. 31.88 × 87 =
32. 32.81 × 84 =
33. 33.17 × 18 =
34. 34.298 × 297 =
35. 35.403 × 407 =
36. 36.208 × 202 =
37. 37.47 × 46 =
38. 38.206 × 202 =
39. 39.77 × 78 =
40. 40.49 × 48 =

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