Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 608 · 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. 1.36 × 38 =
2. 2.205 × 205 =
3. 3.605 × 601 =
4. 4.59 × 58 =
5. 5.77 × 78 =
6. 6.44 × 43 =
7. 7.78 × 78 =
8. 8.499 × 494 =
9. 9.36 × 37 =
10. 10.501 × 502 =
11. 11.41 × 42 =
12. 12.201 × 203 =
13. 13.593 × 594 =
14. 14.29 × 29 =
15. 15.69 × 68 =
16. 16.24 × 21 =
17. 17.54 × 54 =
18. 18.201 × 208 =
19. 19.22 × 24 =
20. 20.47 × 47 =
21. 21.604 × 602 =
22. 22.31 × 34 =
23. 23.61 × 63 =
24. 24.399 × 394 =
25. 25.198 × 195 =
26. 26.19 × 18 =
27. 27.71 × 74 =
28. 28.44 × 43 =
29. 29.82 × 83 =
30. 30.498 × 498 =
31. 31.309 × 309 =
32. 32.407 × 403 =
33. 33.89 × 89 =
34. 34.591 × 592 =
35. 35.297 × 298 =
36. 36.44 × 43 =
37. 37.81 × 81 =
38. 38.46 × 49 =
39. 39.39 × 39 =
40. 40.41 × 43 =

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