Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 490 · 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. 1.493 × 498 =
2. 2.295 × 299 =
3. 3.48 × 47 =
4. 4.291 × 292 =
5. 5.52 × 51 =
6. 6.72 × 72 =
7. 7.71 × 73 =
8. 8.33 × 33 =
9. 9.198 × 196 =
10. 10.56 × 59 =
11. 11.38 × 37 =
12. 12.86 × 86 =
13. 13.77 × 79 =
14. 14.36 × 36 =
15. 15.57 × 59 =
16. 16.503 × 503 =
17. 17.91 × 91 =
18. 18.48 × 48 =
19. 19.391 × 391 =
20. 20.73 × 74 =
21. 21.207 × 207 =
22. 22.393 × 399 =
23. 23.69 × 68 =
24. 24.54 × 53 =
25. 25.595 × 594 =
26. 26.81 × 81 =
27. 27.591 × 595 =
28. 28.603 × 601 =
29. 29.91 × 93 =
30. 30.91 × 91 =
31. 31.59 × 59 =
32. 32.71 × 72 =
33. 33.501 × 501 =
34. 34.409 × 403 =
35. 35.53 × 53 =
36. 36.607 × 606 =
37. 37.191 × 191 =
38. 38.67 × 67 =
39. 39.62 × 61 =
40. 40.33 × 34 =

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