Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 695 · 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. 1.93 × 91 =
2. 2.598 × 596 =
3. 3.52 × 52 =
4. 4.41 × 43 =
5. 5.195 × 199 =
6. 6.498 × 492 =
7. 7.79 × 78 =
8. 8.24 × 21 =
9. 9.495 × 499 =
10. 10.207 × 201 =
11. 11.502 × 501 =
12. 12.203 × 202 =
13. 13.501 × 506 =
14. 14.304 × 304 =
15. 15.71 × 71 =
16. 16.29 × 29 =
17. 17.68 × 69 =
18. 18.21 × 21 =
19. 19.17 × 16 =
20. 20.16 × 16 =
21. 21.293 × 292 =
22. 22.198 × 199 =
23. 23.88 × 86 =
24. 24.28 × 26 =
25. 25.19 × 19 =
26. 26.49 × 48 =
27. 27.63 × 64 =
28. 28.22 × 22 =
29. 29.404 × 402 =
30. 30.506 × 506 =
31. 31.72 × 72 =
32. 32.36 × 39 =
33. 33.19 × 17 =
34. 34.603 × 603 =
35. 35.52 × 53 =
36. 36.604 × 603 =
37. 37.41 × 43 =
38. 38.598 × 597 =
39. 39.37 × 37 =
40. 40.595 × 596 =

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