Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 731 · 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. 1.594 × 596 =
2. 2.395 × 398 =
3. 3.62 × 63 =
4. 4.84 × 81 =
5. 5.24 × 21 =
6. 6.601 × 607 =
7. 7.24 × 22 =
8. 8.23 × 23 =
9. 9.198 × 198 =
10. 10.505 × 506 =
11. 11.29 × 29 =
12. 12.37 × 37 =
13. 13.79 × 77 =
14. 14.56 × 57 =
15. 15.208 × 205 =
16. 16.87 × 89 =
17. 17.392 × 393 =
18. 18.294 × 299 =
19. 19.22 × 22 =
20. 20.58 × 59 =
21. 21.74 × 74 =
22. 22.47 × 46 =
23. 23.21 × 24 =
24. 24.391 × 397 =
25. 25.196 × 199 =
26. 26.508 × 506 =
27. 27.89 × 88 =
28. 28.496 × 494 =
29. 29.93 × 94 =
30. 30.59 × 59 =
31. 31.19 × 19 =
32. 32.199 × 191 =
33. 33.293 × 299 =
34. 34.52 × 53 =
35. 35.44 × 42 =
36. 36.396 × 391 =
37. 37.19 × 19 =
38. 38.201 × 202 =
39. 39.68 × 69 =
40. 40.34 × 33 =

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