Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 113 · 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. 1.606 × 608 =
2. 2.83 × 84 =
3. 3.201 × 203 =
4. 4.204 × 208 =
5. 5.56 × 57 =
6. 6.606 × 609 =
7. 7.507 × 503 =
8. 8.88 × 86 =
9. 9.28 × 28 =
10. 10.393 × 392 =
11. 11.46 × 46 =
12. 12.79 × 79 =
13. 13.599 × 599 =
14. 14.59 × 59 =
15. 15.16 × 19 =
16. 16.58 × 58 =
17. 17.27 × 27 =
18. 18.52 × 52 =
19. 19.16 × 17 =
20. 20.202 × 203 =
21. 21.296 × 297 =
22. 22.48 × 49 =
23. 23.202 × 202 =
24. 24.507 × 504 =
25. 25.601 × 608 =
26. 26.203 × 202 =
27. 27.507 × 508 =
28. 28.84 × 83 =
29. 29.203 × 209 =
30. 30.401 × 404 =
31. 31.68 × 66 =
32. 32.34 × 31 =
33. 33.497 × 494 =
34. 34.16 × 17 =
35. 35.54 × 51 =
36. 36.53 × 54 =
37. 37.194 × 191 =
38. 38.296 × 293 =
39. 39.296 × 297 =
40. 40.298 × 298 =

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