Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 387 · 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. 1.47 × 49 =
2. 2.51 × 52 =
3. 3.608 × 607 =
4. 4.401 × 403 =
5. 5.604 × 609 =
6. 6.302 × 306 =
7. 7.84 × 82 =
8. 8.496 × 498 =
9. 9.593 × 593 =
10. 10.401 × 405 =
11. 11.68 × 68 =
12. 12.93 × 91 =
13. 13.57 × 59 =
14. 14.83 × 82 =
15. 15.594 × 595 =
16. 16.33 × 32 =
17. 17.48 × 47 =
18. 18.398 × 393 =
19. 19.74 × 72 =
20. 20.301 × 308 =
21. 21.306 × 302 =
22. 22.89 × 88 =
23. 23.394 × 399 =
24. 24.61 × 64 =
25. 25.404 × 401 =
26. 26.23 × 22 =
27. 27.207 × 208 =
28. 28.64 × 61 =
29. 29.191 × 194 =
30. 30.26 × 27 =
31. 31.501 × 502 =
32. 32.76 × 79 =
33. 33.401 × 405 =
34. 34.48 × 47 =
35. 35.607 × 607 =
36. 36.296 × 291 =
37. 37.597 × 597 =
38. 38.394 × 397 =
39. 39.291 × 295 =
40. 40.72 × 74 =

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