Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 410 · 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. 1.19 × 16 =
2. 2.53 × 52 =
3. 3.43 × 42 =
4. 4.82 × 81 =
5. 5.84 × 81 =
6. 6.79 × 79 =
7. 7.601 × 604 =
8. 8.59 × 58 =
9. 9.404 × 403 =
10. 10.67 × 68 =
11. 11.91 × 91 =
12. 12.196 × 198 =
13. 13.16 × 18 =
14. 14.94 × 92 =
15. 15.406 × 404 =
16. 16.47 × 46 =
17. 17.307 × 301 =
18. 18.43 × 42 =
19. 19.199 × 196 =
20. 20.601 × 608 =
21. 21.86 × 88 =
22. 22.64 × 62 =
23. 23.28 × 27 =
24. 24.299 × 296 =
25. 25.602 × 606 =
26. 26.72 × 71 =
27. 27.201 × 208 =
28. 28.198 × 196 =
29. 29.77 × 78 =
30. 30.24 × 24 =
31. 31.87 × 89 =
32. 32.591 × 595 =
33. 33.82 × 81 =
34. 34.33 × 31 =
35. 35.39 × 39 =
36. 36.302 × 309 =
37. 37.302 × 305 =
38. 38.294 × 299 =
39. 39.597 × 598 =
40. 40.396 × 397 =

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