Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 301 · 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 × 42 =
2. 2.26 × 26 =
3. 3.405 × 405 =
4. 4.204 × 202 =
5. 5.495 × 497 =
6. 6.92 × 91 =
7. 7.297 × 296 =
8. 8.88 × 87 =
9. 9.504 × 504 =
10. 10.594 × 592 =
11. 11.46 × 48 =
12. 12.403 × 407 =
13. 13.56 × 58 =
14. 14.53 × 53 =
15. 15.305 × 307 =
16. 16.87 × 89 =
17. 17.26 × 29 =
18. 18.21 × 22 =
19. 19.46 × 48 =
20. 20.29 × 26 =
21. 21.399 × 392 =
22. 22.46 × 47 =
23. 23.199 × 198 =
24. 24.66 × 67 =
25. 25.33 × 33 =
26. 26.296 × 293 =
27. 27.602 × 602 =
28. 28.21 × 21 =
29. 29.62 × 64 =
30. 30.91 × 94 =
31. 31.71 × 73 =
32. 32.56 × 57 =
33. 33.77 × 76 =
34. 34.32 × 31 =
35. 35.604 × 609 =
36. 36.199 × 199 =
37. 37.33 × 31 =
38. 38.48 × 47 =
39. 39.61 × 61 =
40. 40.66 × 69 =

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