Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 384 · 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. 1.493 × 499 =
2. 2.298 × 291 =
3. 3.598 × 599 =
4. 4.298 × 291 =
5. 5.16 × 19 =
6. 6.19 × 17 =
7. 7.67 × 67 =
8. 8.42 × 43 =
9. 9.33 × 34 =
10. 10.37 × 39 =
11. 11.23 × 21 =
12. 12.393 × 399 =
13. 13.23 × 24 =
14. 14.31 × 33 =
15. 15.84 × 81 =
16. 16.205 × 201 =
17. 17.27 × 29 =
18. 18.59 × 58 =
19. 19.56 × 59 =
20. 20.502 × 508 =
21. 21.54 × 51 =
22. 22.206 × 208 =
23. 23.81 × 83 =
24. 24.404 × 402 =
25. 25.298 × 293 =
26. 26.39 × 39 =
27. 27.91 × 93 =
28. 28.391 × 391 =
29. 29.392 × 393 =
30. 30.33 × 33 =
31. 31.303 × 304 =
32. 32.608 × 604 =
33. 33.605 × 604 =
34. 34.89 × 88 =
35. 35.41 × 41 =
36. 36.404 × 406 =
37. 37.209 × 201 =
38. 38.197 × 196 =
39. 39.297 × 297 =
40. 40.44 × 41 =

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