Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 383 · 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. 1.491 × 491 =
2. 2.51 × 54 =
3. 3.595 × 592 =
4. 4.193 × 192 =
5. 5.397 × 394 =
6. 6.497 × 493 =
7. 7.73 × 72 =
8. 8.207 × 203 =
9. 9.19 × 19 =
10. 10.192 × 194 =
11. 11.61 × 64 =
12. 12.194 × 197 =
13. 13.297 × 292 =
14. 14.72 × 74 =
15. 15.194 × 195 =
16. 16.291 × 292 =
17. 17.29 × 27 =
18. 18.32 × 32 =
19. 19.305 × 304 =
20. 20.399 × 398 =
21. 21.595 × 599 =
22. 22.401 × 409 =
23. 23.32 × 33 =
24. 24.196 × 191 =
25. 25.46 × 46 =
26. 26.194 × 192 =
27. 27.598 × 591 =
28. 28.57 × 58 =
29. 29.507 × 506 =
30. 30.302 × 301 =
31. 31.394 × 396 =
32. 32.299 × 299 =
33. 33.295 × 291 =
34. 34.86 × 89 =
35. 35.309 × 309 =
36. 36.509 × 509 =
37. 37.602 × 603 =
38. 38.194 × 195 =
39. 39.294 × 294 =
40. 40.208 × 207 =

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