Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 282 · 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. 1.393 × 399 =
2. 2.87 × 88 =
3. 3.22 × 22 =
4. 4.593 × 595 =
5. 5.59 × 58 =
6. 6.29 × 28 =
7. 7.38 × 39 =
8. 8.43 × 43 =
9. 9.399 × 396 =
10. 10.52 × 54 =
11. 11.495 × 495 =
12. 12.51 × 54 =
13. 13.22 × 23 =
14. 14.63 × 62 =
15. 15.36 × 38 =
16. 16.69 × 66 =
17. 17.397 × 399 =
18. 18.81 × 82 =
19. 19.304 × 304 =
20. 20.79 × 76 =
21. 21.21 × 21 =
22. 22.608 × 604 =
23. 23.53 × 51 =
24. 24.397 × 392 =
25. 25.54 × 54 =
26. 26.208 × 206 =
27. 27.501 × 502 =
28. 28.77 × 78 =
29. 29.81 × 83 =
30. 30.293 × 299 =
31. 31.196 × 198 =
32. 32.54 × 54 =
33. 33.491 × 493 =
34. 34.297 × 291 =
35. 35.66 × 66 =
36. 36.37 × 38 =
37. 37.193 × 191 =
38. 38.591 × 592 =
39. 39.495 × 491 =
40. 40.47 × 49 =

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