Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 280 · 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. 1.599 × 596 =
2. 2.199 × 196 =
3. 3.399 × 392 =
4. 4.49 × 48 =
5. 5.22 × 21 =
6. 6.92 × 92 =
7. 7.501 × 501 =
8. 8.505 × 509 =
9. 9.49 × 46 =
10. 10.94 × 91 =
11. 11.197 × 195 =
12. 12.22 × 23 =
13. 13.194 × 195 =
14. 14.41 × 43 =
15. 15.24 × 23 =
16. 16.46 × 48 =
17. 17.93 × 94 =
18. 18.209 × 208 =
19. 19.293 × 295 =
20. 20.406 × 406 =
21. 21.59 × 59 =
22. 22.494 × 494 =
23. 23.62 × 64 =
24. 24.72 × 73 =
25. 25.402 × 409 =
26. 26.16 × 16 =
27. 27.308 × 302 =
28. 28.48 × 49 =
29. 29.42 × 43 =
30. 30.203 × 205 =
31. 31.598 × 597 =
32. 32.67 × 67 =
33. 33.76 × 78 =
34. 34.67 × 67 =
35. 35.596 × 595 =
36. 36.201 × 204 =
37. 37.67 × 68 =
38. 38.63 × 63 =
39. 39.57 × 56 =
40. 40.503 × 501 =

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