Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 799 · 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. 1.301 × 307 =
2. 2.502 × 503 =
3. 3.207 × 209 =
4. 4.193 × 197 =
5. 5.292 × 299 =
6. 6.58 × 59 =
7. 7.32 × 31 =
8. 8.94 × 93 =
9. 9.297 × 296 =
10. 10.492 × 495 =
11. 11.192 × 194 =
12. 12.192 × 193 =
13. 13.494 × 498 =
14. 14.31 × 32 =
15. 15.89 × 88 =
16. 16.74 × 72 =
17. 17.88 × 87 =
18. 18.494 × 496 =
19. 19.29 × 26 =
20. 20.397 × 399 =
21. 21.203 × 204 =
22. 22.501 × 507 =
23. 23.199 × 198 =
24. 24.47 × 46 =
25. 25.64 × 62 =
26. 26.596 × 596 =
27. 27.19 × 17 =
28. 28.37 × 39 =
29. 29.19 × 18 =
30. 30.504 × 501 =
31. 31.49 × 49 =
32. 32.77 × 79 =
33. 33.405 × 403 =
34. 34.73 × 71 =
35. 35.63 × 63 =
36. 36.64 × 61 =
37. 37.603 × 607 =
38. 38.204 × 209 =
39. 39.71 × 72 =
40. 40.407 × 403 =

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