Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 201 · 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. 1.53 × 52 =
2. 2.601 × 604 =
3. 3.16 × 19 =
4. 4.19 × 19 =
5. 5.89 × 88 =
6. 6.74 × 72 =
7. 7.302 × 302 =
8. 8.38 × 38 =
9. 9.503 × 506 =
10. 10.26 × 29 =
11. 11.298 × 298 =
12. 12.608 × 602 =
13. 13.201 × 207 =
14. 14.89 × 88 =
15. 15.71 × 74 =
16. 16.73 × 71 =
17. 17.494 × 496 =
18. 18.19 × 16 =
19. 19.23 × 21 =
20. 20.56 × 58 =
21. 21.58 × 59 =
22. 22.62 × 62 =
23. 23.304 × 308 =
24. 24.196 × 196 =
25. 25.507 × 509 =
26. 26.81 × 81 =
27. 27.92 × 91 =
28. 28.498 × 496 =
29. 29.39 × 38 =
30. 30.21 × 21 =
31. 31.605 × 604 =
32. 32.498 × 499 =
33. 33.26 × 28 =
34. 34.94 × 91 =
35. 35.405 × 407 =
36. 36.492 × 497 =
37. 37.61 × 62 =
38. 38.91 × 94 =
39. 39.27 × 29 =
40. 40.57 × 57 =

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