Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 748 · 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. 1.63 × 62 =
2. 2.403 × 408 =
3. 3.34 × 31 =
4. 4.596 × 595 =
5. 5.72 × 72 =
6. 6.309 × 301 =
7. 7.54 × 52 =
8. 8.37 × 38 =
9. 9.194 × 191 =
10. 10.32 × 33 =
11. 11.44 × 44 =
12. 12.49 × 48 =
13. 13.499 × 492 =
14. 14.604 × 602 =
15. 15.501 × 501 =
16. 16.497 × 493 =
17. 17.194 × 198 =
18. 18.17 × 16 =
19. 19.67 × 69 =
20. 20.291 × 291 =
21. 21.29 × 29 =
22. 22.201 × 205 =
23. 23.493 × 497 =
24. 24.498 × 494 =
25. 25.21 × 21 =
26. 26.398 × 392 =
27. 27.492 × 493 =
28. 28.508 × 502 =
29. 29.48 × 46 =
30. 30.42 × 44 =
31. 31.28 × 28 =
32. 32.58 × 56 =
33. 33.396 × 399 =
34. 34.506 × 506 =
35. 35.309 × 304 =
36. 36.62 × 63 =
37. 37.296 × 294 =
38. 38.16 × 19 =
39. 39.71 × 72 =
40. 40.57 × 59 =

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