Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 702 · 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. 1.29 × 28 =
2. 2.44 × 41 =
3. 3.193 × 198 =
4. 4.27 × 28 =
5. 5.87 × 88 =
6. 6.298 × 292 =
7. 7.21 × 21 =
8. 8.17 × 18 =
9. 9.33 × 32 =
10. 10.43 × 42 =
11. 11.305 × 302 =
12. 12.601 × 606 =
13. 13.41 × 44 =
14. 14.89 × 89 =
15. 15.496 × 499 =
16. 16.68 × 69 =
17. 17.32 × 34 =
18. 18.409 × 401 =
19. 19.504 × 504 =
20. 20.79 × 79 =
21. 21.204 × 208 =
22. 22.401 × 401 =
23. 23.396 × 397 =
24. 24.396 × 395 =
25. 25.88 × 86 =
26. 26.37 × 38 =
27. 27.86 × 89 =
28. 28.28 × 27 =
29. 29.77 × 78 =
30. 30.505 × 501 =
31. 31.78 × 79 =
32. 32.54 × 51 =
33. 33.31 × 33 =
34. 34.403 × 408 =
35. 35.78 × 77 =
36. 36.86 × 88 =
37. 37.606 × 604 =
38. 38.296 × 296 =
39. 39.38 × 38 =
40. 40.48 × 46 =

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