Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 261 · 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. 1.92 × 94 =
2. 2.88 × 86 =
3. 3.88 × 88 =
4. 4.403 × 407 =
5. 5.294 × 292 =
6. 6.16 × 16 =
7. 7.93 × 94 =
8. 8.302 × 305 =
9. 9.196 × 199 =
10. 10.293 × 291 =
11. 11.61 × 61 =
12. 12.37 × 38 =
13. 13.195 × 194 =
14. 14.21 × 21 =
15. 15.401 × 405 =
16. 16.83 × 82 =
17. 17.506 × 504 =
18. 18.295 × 296 =
19. 19.58 × 59 =
20. 20.61 × 61 =
21. 21.298 × 295 =
22. 22.57 × 56 =
23. 23.42 × 43 =
24. 24.393 × 397 =
25. 25.399 × 399 =
26. 26.77 × 76 =
27. 27.23 × 24 =
28. 28.494 × 495 =
29. 29.504 × 503 =
30. 30.292 × 296 =
31. 31.498 × 496 =
32. 32.496 × 498 =
33. 33.59 × 58 =
34. 34.18 × 18 =
35. 35.41 × 44 =
36. 36.195 × 198 =
37. 37.604 × 601 =
38. 38.19 × 18 =
39. 39.403 × 408 =
40. 40.298 × 292 =

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