Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 242 · 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. 1.62 × 64 =
2. 2.43 × 44 =
3. 3.591 × 597 =
4. 4.496 × 493 =
5. 5.197 × 198 =
6. 6.89 × 87 =
7. 7.89 × 88 =
8. 8.295 × 291 =
9. 9.496 × 496 =
10. 10.79 × 78 =
11. 11.393 × 396 =
12. 12.66 × 69 =
13. 13.604 × 608 =
14. 14.498 × 494 =
15. 15.299 × 295 =
16. 16.37 × 37 =
17. 17.293 × 297 =
18. 18.46 × 49 =
19. 19.47 × 49 =
20. 20.596 × 594 =
21. 21.201 × 206 =
22. 22.501 × 501 =
23. 23.395 × 399 =
24. 24.306 × 301 =
25. 25.197 × 197 =
26. 26.28 × 26 =
27. 27.298 × 293 =
28. 28.46 × 46 =
29. 29.302 × 304 =
30. 30.591 × 591 =
31. 31.193 × 199 =
32. 32.92 × 91 =
33. 33.502 × 505 =
34. 34.308 × 307 =
35. 35.397 × 395 =
36. 36.36 × 36 =
37. 37.299 × 292 =
38. 38.208 × 201 =
39. 39.294 × 298 =
40. 40.495 × 499 =

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