Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 352 · 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. 1.199 × 196 =
2. 2.199 × 199 =
3. 3.306 × 306 =
4. 4.33 × 32 =
5. 5.199 × 192 =
6. 6.33 × 33 =
7. 7.193 × 195 =
8. 8.606 × 601 =
9. 9.58 × 59 =
10. 10.203 × 206 =
11. 11.61 × 64 =
12. 12.298 × 298 =
13. 13.491 × 499 =
14. 14.73 × 74 =
15. 15.39 × 37 =
16. 16.606 × 603 =
17. 17.37 × 37 =
18. 18.66 × 66 =
19. 19.67 × 67 =
20. 20.205 × 201 =
21. 21.605 × 604 =
22. 22.29 × 27 =
23. 23.67 × 69 =
24. 24.88 × 87 =
25. 25.68 × 69 =
26. 26.203 × 205 =
27. 27.497 × 499 =
28. 28.21 × 22 =
29. 29.31 × 31 =
30. 30.88 × 89 =
31. 31.601 × 604 =
32. 32.505 × 503 =
33. 33.493 × 493 =
34. 34.22 × 23 =
35. 35.491 × 499 =
36. 36.61 × 61 =
37. 37.69 × 68 =
38. 38.38 × 39 =
39. 39.51 × 52 =
40. 40.193 × 199 =

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