Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 911 · 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. 1.59 × 57 =
2. 2.502 × 502 =
3. 3.59 × 59 =
4. 4.494 × 492 =
5. 5.77 × 79 =
6. 6.293 × 292 =
7. 7.63 × 62 =
8. 8.18 × 16 =
9. 9.205 × 202 =
10. 10.36 × 36 =
11. 11.54 × 51 =
12. 12.198 × 199 =
13. 13.493 × 498 =
14. 14.69 × 67 =
15. 15.86 × 86 =
16. 16.591 × 597 =
17. 17.301 × 302 =
18. 18.63 × 61 =
19. 19.397 × 392 =
20. 20.394 × 395 =
21. 21.397 × 391 =
22. 22.501 × 503 =
23. 23.42 × 44 =
24. 24.49 × 49 =
25. 25.41 × 42 =
26. 26.78 × 78 =
27. 27.93 × 92 =
28. 28.209 × 208 =
29. 29.21 × 24 =
30. 30.41 × 41 =
31. 31.303 × 307 =
32. 32.54 × 51 =
33. 33.76 × 79 =
34. 34.307 × 301 =
35. 35.43 × 42 =
36. 36.192 × 199 =
37. 37.48 × 49 =
38. 38.493 × 499 =
39. 39.39 × 37 =
40. 40.504 × 508 =

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