Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 706 · 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. 1.292 × 291 =
2. 2.603 × 602 =
3. 3.56 × 58 =
4. 4.73 × 73 =
5. 5.82 × 84 =
6. 6.396 × 395 =
7. 7.46 × 49 =
8. 8.607 × 607 =
9. 9.53 × 51 =
10. 10.295 × 293 =
11. 11.296 × 299 =
12. 12.508 × 505 =
13. 13.82 × 84 =
14. 14.398 × 392 =
15. 15.209 × 205 =
16. 16.66 × 66 =
17. 17.91 × 91 =
18. 18.292 × 298 =
19. 19.303 × 309 =
20. 20.595 × 598 =
21. 21.198 × 195 =
22. 22.28 × 27 =
23. 23.394 × 397 =
24. 24.495 × 496 =
25. 25.198 × 197 =
26. 26.209 × 204 =
27. 27.27 × 29 =
28. 28.24 × 21 =
29. 29.38 × 37 =
30. 30.41 × 44 =
31. 31.67 × 66 =
32. 32.192 × 197 =
33. 33.197 × 198 =
34. 34.58 × 59 =
35. 35.43 × 44 =
36. 36.29 × 28 =
37. 37.409 × 405 =
38. 38.402 × 402 =
39. 39.46 × 49 =
40. 40.306 × 307 =

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