Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 445 · 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. 1.202 × 206 =
2. 2.292 × 298 =
3. 3.22 × 21 =
4. 4.49 × 49 =
5. 5.56 × 58 =
6. 6.603 × 601 =
7. 7.38 × 37 =
8. 8.301 × 302 =
9. 9.84 × 84 =
10. 10.204 × 208 =
11. 11.591 × 598 =
12. 12.71 × 73 =
13. 13.22 × 24 =
14. 14.16 × 16 =
15. 15.69 × 69 =
16. 16.499 × 495 =
17. 17.77 × 79 =
18. 18.193 × 191 =
19. 19.296 × 293 =
20. 20.32 × 33 =
21. 21.73 × 74 =
22. 22.399 × 396 =
23. 23.391 × 391 =
24. 24.72 × 71 =
25. 25.68 × 69 =
26. 26.33 × 32 =
27. 27.63 × 63 =
28. 28.494 × 495 =
29. 29.17 × 17 =
30. 30.43 × 41 =
31. 31.38 × 37 =
32. 32.54 × 52 =
33. 33.31 × 32 =
34. 34.58 × 58 =
35. 35.56 × 57 =
36. 36.71 × 73 =
37. 37.38 × 36 =
38. 38.63 × 62 =
39. 39.36 × 37 =
40. 40.57 × 58 =

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