Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 354 · 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. 1.44 × 44 =
2. 2.495 × 491 =
3. 3.16 × 16 =
4. 4.92 × 91 =
5. 5.402 × 407 =
6. 6.64 × 64 =
7. 7.401 × 404 =
8. 8.601 × 602 =
9. 9.28 × 29 =
10. 10.608 × 602 =
11. 11.202 × 207 =
12. 12.89 × 86 =
13. 13.33 × 33 =
14. 14.91 × 94 =
15. 15.37 × 37 =
16. 16.32 × 32 =
17. 17.207 × 206 =
18. 18.94 × 93 =
19. 19.502 × 504 =
20. 20.53 × 52 =
21. 21.199 × 198 =
22. 22.82 × 84 =
23. 23.304 × 302 =
24. 24.17 × 18 =
25. 25.47 × 46 =
26. 26.203 × 203 =
27. 27.401 × 401 =
28. 28.36 × 36 =
29. 29.37 × 38 =
30. 30.69 × 66 =
31. 31.505 × 504 =
32. 32.591 × 594 =
33. 33.29 × 29 =
34. 34.203 × 208 =
35. 35.77 × 77 =
36. 36.494 × 493 =
37. 37.51 × 52 =
38. 38.26 × 27 =
39. 39.72 × 71 =
40. 40.81 × 81 =

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