Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 899 · 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. 1.77 × 76 =
2. 2.202 × 203 =
3. 3.71 × 73 =
4. 4.44 × 41 =
5. 5.66 × 69 =
6. 6.33 × 34 =
7. 7.92 × 94 =
8. 8.16 × 18 =
9. 9.491 × 496 =
10. 10.86 × 87 =
11. 11.34 × 33 =
12. 12.39 × 39 =
13. 13.83 × 81 =
14. 14.26 × 26 =
15. 15.19 × 18 =
16. 16.38 × 39 =
17. 17.607 × 607 =
18. 18.591 × 596 =
19. 19.17 × 19 =
20. 20.18 × 19 =
21. 21.32 × 33 =
22. 22.502 × 503 =
23. 23.66 × 67 =
24. 24.599 × 594 =
25. 25.602 × 608 =
26. 26.54 × 51 =
27. 27.606 × 601 =
28. 28.22 × 24 =
29. 29.21 × 24 =
30. 30.207 × 202 =
31. 31.609 × 602 =
32. 32.297 × 297 =
33. 33.593 × 599 =
34. 34.44 × 42 =
35. 35.92 × 91 =
36. 36.39 × 37 =
37. 37.392 × 399 =
38. 38.49 × 49 =
39. 39.302 × 304 =
40. 40.76 × 76 =

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