Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 229 · 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. 1.58 × 59 =
2. 2.82 × 82 =
3. 3.88 × 86 =
4. 4.63 × 61 =
5. 5.37 × 39 =
6. 6.302 × 306 =
7. 7.86 × 89 =
8. 8.73 × 72 =
9. 9.26 × 28 =
10. 10.26 × 27 =
11. 11.392 × 397 =
12. 12.38 × 36 =
13. 13.593 × 595 =
14. 14.54 × 51 =
15. 15.393 × 391 =
16. 16.44 × 42 =
17. 17.54 × 51 =
18. 18.199 × 192 =
19. 19.86 × 86 =
20. 20.496 × 499 =
21. 21.59 × 58 =
22. 22.491 × 491 =
23. 23.198 × 192 =
24. 24.395 × 395 =
25. 25.209 × 202 =
26. 26.88 × 87 =
27. 27.37 × 36 =
28. 28.36 × 36 =
29. 29.73 × 71 =
30. 30.21 × 21 =
31. 31.48 × 49 =
32. 32.59 × 59 =
33. 33.301 × 303 =
34. 34.76 × 77 =
35. 35.298 × 293 =
36. 36.78 × 78 =
37. 37.202 × 202 =
38. 38.32 × 33 =
39. 39.64 × 61 =
40. 40.401 × 408 =

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