Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 807 · 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. 1.202 × 208 =
2. 2.208 × 203 =
3. 3.294 × 292 =
4. 4.297 × 296 =
5. 5.28 × 29 =
6. 6.16 × 17 =
7. 7.49 × 49 =
8. 8.16 × 17 =
9. 9.206 × 201 =
10. 10.88 × 86 =
11. 11.495 × 493 =
12. 12.493 × 496 =
13. 13.57 × 58 =
14. 14.36 × 37 =
15. 15.77 × 77 =
16. 16.299 × 299 =
17. 17.63 × 62 =
18. 18.206 × 205 =
19. 19.79 × 77 =
20. 20.18 × 17 =
21. 21.34 × 34 =
22. 22.21 × 21 =
23. 23.304 × 307 =
24. 24.78 × 76 =
25. 25.44 × 42 =
26. 26.47 × 48 =
27. 27.398 × 394 =
28. 28.32 × 33 =
29. 29.17 × 19 =
30. 30.43 × 43 =
31. 31.24 × 24 =
32. 32.79 × 78 =
33. 33.76 × 76 =
34. 34.299 × 291 =
35. 35.57 × 57 =
36. 36.309 × 304 =
37. 37.201 × 209 =
38. 38.39 × 38 =
39. 39.27 × 26 =
40. 40.194 × 195 =

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