Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 946 · 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. 1.43 × 41 =
2. 2.302 × 301 =
3. 3.19 × 17 =
4. 4.78 × 77 =
5. 5.196 × 196 =
6. 6.86 × 89 =
7. 7.404 × 403 =
8. 8.78 × 77 =
9. 9.38 × 37 =
10. 10.69 × 68 =
11. 11.61 × 63 =
12. 12.593 × 594 =
13. 13.77 × 77 =
14. 14.87 × 87 =
15. 15.305 × 303 =
16. 16.78 × 77 =
17. 17.23 × 23 =
18. 18.292 × 294 =
19. 19.44 × 41 =
20. 20.71 × 73 =
21. 21.292 × 299 =
22. 22.26 × 28 =
23. 23.71 × 72 =
24. 24.309 × 302 =
25. 25.72 × 71 =
26. 26.72 × 71 =
27. 27.82 × 84 =
28. 28.67 × 69 =
29. 29.206 × 202 =
30. 30.81 × 81 =
31. 31.36 × 38 =
32. 32.208 × 201 =
33. 33.395 × 397 =
34. 34.195 × 194 =
35. 35.207 × 202 =
36. 36.88 × 87 =
37. 37.63 × 62 =
38. 38.22 × 24 =
39. 39.204 × 207 =
40. 40.94 × 94 =

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