Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 31 · 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. 1.16 × 19 =
2. 2.54 × 53 =
3. 3.291 × 299 =
4. 4.88 × 88 =
5. 5.508 × 509 =
6. 6.64 × 64 =
7. 7.44 × 42 =
8. 8.67 × 69 =
9. 9.305 × 303 =
10. 10.593 × 595 =
11. 11.597 × 596 =
12. 12.591 × 595 =
13. 13.93 × 91 =
14. 14.498 × 494 =
15. 15.27 × 29 =
16. 16.86 × 87 =
17. 17.291 × 296 =
18. 18.199 × 199 =
19. 19.596 × 598 =
20. 20.497 × 498 =
21. 21.497 × 499 =
22. 22.599 × 592 =
23. 23.392 × 393 =
24. 24.72 × 73 =
25. 25.88 × 87 =
26. 26.66 × 66 =
27. 27.31 × 31 =
28. 28.509 × 507 =
29. 29.202 × 209 =
30. 30.56 × 56 =
31. 31.89 × 87 =
32. 32.393 × 392 =
33. 33.33 × 31 =
34. 34.44 × 44 =
35. 35.48 × 48 =
36. 36.33 × 33 =
37. 37.606 × 608 =
38. 38.24 × 23 =
39. 39.41 × 44 =
40. 40.67 × 68 =

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