Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 735 · 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. 1.499 × 493 =
2. 2.89 × 89 =
3. 3.307 × 308 =
4. 4.492 × 498 =
5. 5.92 × 94 =
6. 6.62 × 62 =
7. 7.24 × 24 =
8. 8.69 × 66 =
9. 9.24 × 23 =
10. 10.599 × 597 =
11. 11.198 × 193 =
12. 12.53 × 52 =
13. 13.291 × 298 =
14. 14.51 × 53 =
15. 15.84 × 84 =
16. 16.507 × 503 =
17. 17.87 × 88 =
18. 18.52 × 52 =
19. 19.57 × 58 =
20. 20.294 × 291 =
21. 21.33 × 34 =
22. 22.607 × 603 =
23. 23.46 × 49 =
24. 24.298 × 299 =
25. 25.408 × 401 =
26. 26.62 × 63 =
27. 27.594 × 595 =
28. 28.391 × 399 =
29. 29.41 × 41 =
30. 30.24 × 23 =
31. 31.391 × 391 =
32. 32.49 × 47 =
33. 33.88 × 87 =
34. 34.195 × 196 =
35. 35.57 × 56 =
36. 36.303 × 301 =
37. 37.34 × 32 =
38. 38.596 × 597 =
39. 39.29 × 27 =
40. 40.42 × 43 =

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