Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 620 · 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. 1.498 × 497 =
2. 2.91 × 94 =
3. 3.28 × 26 =
4. 4.297 × 292 =
5. 5.64 × 61 =
6. 6.44 × 41 =
7. 7.18 × 19 =
8. 8.77 × 77 =
9. 9.58 × 58 =
10. 10.299 × 296 =
11. 11.39 × 39 =
12. 12.63 × 64 =
13. 13.34 × 32 =
14. 14.91 × 92 =
15. 15.17 × 19 =
16. 16.508 × 508 =
17. 17.303 × 306 =
18. 18.599 × 598 =
19. 19.398 × 398 =
20. 20.609 × 602 =
21. 21.87 × 89 =
22. 22.593 × 595 =
23. 23.603 × 601 =
24. 24.198 × 197 =
25. 25.601 × 602 =
26. 26.59 × 58 =
27. 27.78 × 76 =
28. 28.91 × 91 =
29. 29.192 × 197 =
30. 30.206 × 201 =
31. 31.61 × 63 =
32. 32.86 × 89 =
33. 33.59 × 58 =
34. 34.36 × 39 =
35. 35.302 × 308 =
36. 36.27 × 28 =
37. 37.298 × 292 =
38. 38.393 × 394 =
39. 39.66 × 66 =
40. 40.28 × 27 =

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