Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 203 · 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. 1.396 × 396 =
2. 2.403 × 407 =
3. 3.406 × 404 =
4. 4.51 × 54 =
5. 5.67 × 66 =
6. 6.297 × 292 =
7. 7.31 × 34 =
8. 8.301 × 304 =
9. 9.209 × 202 =
10. 10.594 × 597 =
11. 11.59 × 58 =
12. 12.73 × 71 =
13. 13.207 × 209 =
14. 14.52 × 51 =
15. 15.63 × 62 =
16. 16.76 × 79 =
17. 17.391 × 395 =
18. 18.59 × 59 =
19. 19.68 × 69 =
20. 20.209 × 202 =
21. 21.18 × 18 =
22. 22.508 × 508 =
23. 23.24 × 24 =
24. 24.207 × 207 =
25. 25.31 × 33 =
26. 26.94 × 93 =
27. 27.79 × 76 =
28. 28.308 × 307 =
29. 29.27 × 27 =
30. 30.302 × 309 =
31. 31.204 × 208 =
32. 32.204 × 208 =
33. 33.82 × 81 =
34. 34.64 × 61 =
35. 35.87 × 88 =
36. 36.93 × 93 =
37. 37.92 × 91 =
38. 38.295 × 297 =
39. 39.73 × 71 =
40. 40.69 × 66 =

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