Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 996 · 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. 1.208 × 202 =
2. 2.293 × 298 =
3. 3.57 × 56 =
4. 4.43 × 43 =
5. 5.33 × 33 =
6. 6.27 × 29 =
7. 7.33 × 34 =
8. 8.48 × 47 =
9. 9.196 × 191 =
10. 10.598 × 596 =
11. 11.51 × 53 =
12. 12.68 × 66 =
13. 13.291 × 296 =
14. 14.79 × 76 =
15. 15.59 × 58 =
16. 16.19 × 19 =
17. 17.297 × 297 =
18. 18.47 × 49 =
19. 19.306 × 307 =
20. 20.295 × 294 =
21. 21.64 × 62 =
22. 22.499 × 495 =
23. 23.69 × 68 =
24. 24.291 × 292 =
25. 25.503 × 503 =
26. 26.36 × 36 =
27. 27.79 × 77 =
28. 28.38 × 39 =
29. 29.39 × 37 =
30. 30.597 × 593 =
31. 31.38 × 36 =
32. 32.89 × 88 =
33. 33.497 × 495 =
34. 34.61 × 62 =
35. 35.34 × 31 =
36. 36.88 × 87 =
37. 37.62 × 64 =
38. 38.41 × 42 =
39. 39.41 × 43 =
40. 40.498 × 498 =

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