Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 121 · 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. 1.33 × 32 =
2. 2.304 × 308 =
3. 3.33 × 34 =
4. 4.17 × 19 =
5. 5.22 × 23 =
6. 6.62 × 61 =
7. 7.43 × 43 =
8. 8.69 × 67 =
9. 9.291 × 297 =
10. 10.49 × 47 =
11. 11.69 × 69 =
12. 12.26 × 28 =
13. 13.56 × 57 =
14. 14.202 × 201 =
15. 15.56 × 58 =
16. 16.506 × 503 =
17. 17.62 × 63 =
18. 18.497 × 498 =
19. 19.392 × 391 =
20. 20.598 × 595 =
21. 21.297 × 298 =
22. 22.299 × 295 =
23. 23.59 × 59 =
24. 24.396 × 399 =
25. 25.49 × 47 =
26. 26.62 × 62 =
27. 27.89 × 88 =
28. 28.405 × 403 =
29. 29.56 × 56 =
30. 30.67 × 66 =
31. 31.601 × 606 =
32. 32.71 × 74 =
33. 33.294 × 298 =
34. 34.62 × 62 =
35. 35.26 × 28 =
36. 36.88 × 87 =
37. 37.203 × 208 =
38. 38.41 × 43 =
39. 39.601 × 603 =
40. 40.71 × 73 =

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