Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 26 · 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. 1.54 × 53 =
2. 2.31 × 31 =
3. 3.24 × 23 =
4. 4.602 × 607 =
5. 5.195 × 194 =
6. 6.503 × 508 =
7. 7.48 × 47 =
8. 8.604 × 608 =
9. 9.602 × 602 =
10. 10.38 × 36 =
11. 11.69 × 67 =
12. 12.94 × 92 =
13. 13.493 × 498 =
14. 14.505 × 502 =
15. 15.78 × 79 =
16. 16.51 × 52 =
17. 17.76 × 79 =
18. 18.496 × 495 =
19. 19.87 × 88 =
20. 20.86 × 87 =
21. 21.26 × 28 =
22. 22.87 × 87 =
23. 23.84 × 82 =
24. 24.31 × 31 =
25. 25.58 × 59 =
26. 26.303 × 303 =
27. 27.495 × 494 =
28. 28.399 × 393 =
29. 29.63 × 63 =
30. 30.202 × 201 =
31. 31.19 × 18 =
32. 32.37 × 36 =
33. 33.199 × 195 =
34. 34.37 × 39 =
35. 35.591 × 592 =
36. 36.48 × 49 =
37. 37.603 × 607 =
38. 38.309 × 301 =
39. 39.303 × 302 =
40. 40.71 × 74 =

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