Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 385 · 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. 1.293 × 291 =
2. 2.502 × 503 =
3. 3.302 × 309 =
4. 4.47 × 47 =
5. 5.76 × 77 =
6. 6.298 × 298 =
7. 7.406 × 406 =
8. 8.76 × 76 =
9. 9.29 × 29 =
10. 10.27 × 26 =
11. 11.492 × 494 =
12. 12.195 × 191 =
13. 13.397 × 394 =
14. 14.405 × 406 =
15. 15.79 × 76 =
16. 16.58 × 57 =
17. 17.296 × 298 =
18. 18.608 × 604 =
19. 19.86 × 87 =
20. 20.599 × 591 =
21. 21.308 × 302 =
22. 22.38 × 39 =
23. 23.395 × 391 =
24. 24.37 × 39 =
25. 25.201 × 201 =
26. 26.503 × 503 =
27. 27.209 × 202 =
28. 28.68 × 66 =
29. 29.192 × 199 =
30. 30.29 × 26 =
31. 31.192 × 191 =
32. 32.604 × 607 =
33. 33.599 × 596 =
34. 34.196 × 194 =
35. 35.39 × 39 =
36. 36.58 × 59 =
37. 37.298 × 299 =
38. 38.304 × 301 =
39. 39.501 × 503 =
40. 40.18 × 16 =

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