Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 132 · 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. 1.192 × 199 =
2. 2.33 × 33 =
3. 3.92 × 93 =
4. 4.404 × 404 =
5. 5.24 × 21 =
6. 6.195 × 196 =
7. 7.498 × 493 =
8. 8.198 × 191 =
9. 9.503 × 509 =
10. 10.398 × 394 =
11. 11.307 × 305 =
12. 12.61 × 61 =
13. 13.291 × 293 =
14. 14.18 × 19 =
15. 15.89 × 86 =
16. 16.33 × 34 =
17. 17.46 × 48 =
18. 18.48 × 48 =
19. 19.62 × 63 =
20. 20.292 × 294 =
21. 21.193 × 194 =
22. 22.16 × 18 =
23. 23.42 × 42 =
24. 24.56 × 56 =
25. 25.202 × 202 =
26. 26.199 × 195 =
27. 27.506 × 505 =
28. 28.397 × 397 =
29. 29.33 × 31 =
30. 30.408 × 405 =
31. 31.609 × 602 =
32. 32.46 × 46 =
33. 33.502 × 503 =
34. 34.396 × 391 =
35. 35.22 × 22 =
36. 36.43 × 44 =
37. 37.94 × 92 =
38. 38.41 × 44 =
39. 39.293 × 297 =
40. 40.16 × 18 =

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