Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 278 · 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. 1.199 × 195 =
2. 2.202 × 203 =
3. 3.93 × 94 =
4. 4.36 × 38 =
5. 5.82 × 84 =
6. 6.494 × 498 =
7. 7.499 × 491 =
8. 8.59 × 57 =
9. 9.49 × 46 =
10. 10.206 × 209 =
11. 11.61 × 64 =
12. 12.397 × 396 =
13. 13.396 × 393 =
14. 14.92 × 92 =
15. 15.395 × 397 =
16. 16.207 × 202 =
17. 17.73 × 71 =
18. 18.292 × 291 =
19. 19.499 × 493 =
20. 20.24 × 24 =
21. 21.402 × 402 =
22. 22.38 × 38 =
23. 23.24 × 22 =
24. 24.498 × 495 =
25. 25.201 × 203 =
26. 26.197 × 195 =
27. 27.63 × 62 =
28. 28.504 × 502 =
29. 29.88 × 87 =
30. 30.306 × 305 =
31. 31.497 × 492 =
32. 32.79 × 77 =
33. 33.294 × 297 =
34. 34.21 × 21 =
35. 35.87 × 88 =
36. 36.19 × 18 =
37. 37.94 × 94 =
38. 38.32 × 33 =
39. 39.209 × 202 =
40. 40.69 × 67 =

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