Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 329 · 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. 1.193 × 197 =
2. 2.192 × 196 =
3. 3.494 × 499 =
4. 4.597 × 599 =
5. 5.602 × 609 =
6. 6.41 × 44 =
7. 7.49 × 49 =
8. 8.36 × 39 =
9. 9.209 × 203 =
10. 10.68 × 69 =
11. 11.18 × 19 =
12. 12.24 × 21 =
13. 13.306 × 305 =
14. 14.398 × 393 =
15. 15.599 × 594 =
16. 16.86 × 88 =
17. 17.77 × 79 =
18. 18.86 × 88 =
19. 19.89 × 87 =
20. 20.595 × 596 =
21. 21.63 × 63 =
22. 22.306 × 304 =
23. 23.395 × 395 =
24. 24.29 × 26 =
25. 25.58 × 58 =
26. 26.396 × 397 =
27. 27.53 × 54 =
28. 28.62 × 62 =
29. 29.61 × 64 =
30. 30.74 × 74 =
31. 31.397 × 395 =
32. 32.501 × 508 =
33. 33.68 × 69 =
34. 34.599 × 597 =
35. 35.306 × 306 =
36. 36.292 × 297 =
37. 37.601 × 601 =
38. 38.601 × 605 =
39. 39.602 × 609 =
40. 40.67 × 67 =

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