Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 434 · 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. 1.74 × 73 =
2. 2.497 × 498 =
3. 3.202 × 203 =
4. 4.606 × 608 =
5. 5.591 × 599 =
6. 6.508 × 508 =
7. 7.599 × 598 =
8. 8.92 × 91 =
9. 9.59 × 59 =
10. 10.202 × 203 =
11. 11.39 × 37 =
12. 12.67 × 69 =
13. 13.23 × 21 =
14. 14.17 × 16 =
15. 15.36 × 36 =
16. 16.34 × 32 =
17. 17.37 × 38 =
18. 18.41 × 44 =
19. 19.497 × 494 =
20. 20.299 × 298 =
21. 21.397 × 393 =
22. 22.302 × 303 =
23. 23.46 × 46 =
24. 24.202 × 203 =
25. 25.22 × 24 =
26. 26.88 × 89 =
27. 27.92 × 91 =
28. 28.66 × 68 =
29. 29.493 × 497 =
30. 30.206 × 206 =
31. 31.68 × 67 =
32. 32.603 × 604 =
33. 33.396 × 397 =
34. 34.17 × 18 =
35. 35.63 × 62 =
36. 36.507 × 508 =
37. 37.48 × 49 =
38. 38.19 × 18 =
39. 39.59 × 59 =
40. 40.308 × 302 =

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