Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 336 · 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. 1.405 × 401 =
2. 2.31 × 34 =
3. 3.79 × 79 =
4. 4.77 × 79 =
5. 5.602 × 607 =
6. 6.94 × 94 =
7. 7.392 × 393 =
8. 8.29 × 29 =
9. 9.78 × 78 =
10. 10.58 × 56 =
11. 11.67 × 68 =
12. 12.507 × 501 =
13. 13.72 × 74 =
14. 14.202 × 203 =
15. 15.37 × 36 =
16. 16.29 × 29 =
17. 17.498 × 499 =
18. 18.81 × 81 =
19. 19.204 × 205 =
20. 20.301 × 303 =
21. 21.48 × 47 =
22. 22.58 × 58 =
23. 23.78 × 78 =
24. 24.86 × 89 =
25. 25.27 × 27 =
26. 26.71 × 74 =
27. 27.28 × 28 =
28. 28.63 × 61 =
29. 29.308 × 309 =
30. 30.72 × 72 =
31. 31.37 × 39 =
32. 32.606 × 609 =
33. 33.599 × 593 =
34. 34.404 × 404 =
35. 35.71 × 71 =
36. 36.69 × 69 =
37. 37.24 × 21 =
38. 38.404 × 402 =
39. 39.63 × 61 =
40. 40.602 × 607 =

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