Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 98 · 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. 1.84 × 82 =
2. 2.591 × 595 =
3. 3.594 × 592 =
4. 4.606 × 603 =
5. 5.77 × 79 =
6. 6.609 × 607 =
7. 7.599 × 599 =
8. 8.53 × 54 =
9. 9.83 × 83 =
10. 10.608 × 604 =
11. 11.16 × 17 =
12. 12.29 × 29 =
13. 13.64 × 61 =
14. 14.29 × 27 =
15. 15.601 × 604 =
16. 16.68 × 66 =
17. 17.204 × 201 =
18. 18.79 × 78 =
19. 19.593 × 599 =
20. 20.53 × 54 =
21. 21.31 × 31 =
22. 22.32 × 31 =
23. 23.506 × 504 =
24. 24.62 × 63 =
25. 25.192 × 191 =
26. 26.94 × 94 =
27. 27.72 × 71 =
28. 28.48 × 46 =
29. 29.592 × 591 =
30. 30.496 × 492 =
31. 31.309 × 301 =
32. 32.306 × 303 =
33. 33.198 × 192 =
34. 34.304 × 307 =
35. 35.593 × 593 =
36. 36.44 × 44 =
37. 37.88 × 87 =
38. 38.408 × 407 =
39. 39.496 × 492 =
40. 40.205 × 203 =

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