Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 213 · 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. 1.61 × 62 =
2. 2.193 × 194 =
3. 3.393 × 394 =
4. 4.58 × 58 =
5. 5.291 × 293 =
6. 6.597 × 595 =
7. 7.206 × 201 =
8. 8.196 × 194 =
9. 9.86 × 86 =
10. 10.31 × 32 =
11. 11.206 × 206 =
12. 12.66 × 66 =
13. 13.36 × 36 =
14. 14.298 × 295 =
15. 15.27 × 26 =
16. 16.199 × 198 =
17. 17.491 × 494 =
18. 18.87 × 88 =
19. 19.79 × 76 =
20. 20.53 × 54 =
21. 21.392 × 397 =
22. 22.59 × 57 =
23. 23.502 × 509 =
24. 24.295 × 292 =
25. 25.52 × 51 =
26. 26.201 × 201 =
27. 27.37 × 39 =
28. 28.31 × 33 =
29. 29.79 × 79 =
30. 30.84 × 83 =
31. 31.82 × 83 =
32. 32.76 × 77 =
33. 33.28 × 28 =
34. 34.597 × 595 =
35. 35.292 × 298 =
36. 36.592 × 599 =
37. 37.292 × 298 =
38. 38.94 × 94 =
39. 39.294 × 299 =
40. 40.66 × 69 =

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