Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 298 · 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. 1.89 × 86 =
2. 2.207 × 201 =
3. 3.202 × 205 =
4. 4.49 × 49 =
5. 5.47 × 46 =
6. 6.208 × 202 =
7. 7.504 × 506 =
8. 8.208 × 204 =
9. 9.21 × 24 =
10. 10.402 × 409 =
11. 11.397 × 399 =
12. 12.395 × 396 =
13. 13.499 × 496 =
14. 14.86 × 87 =
15. 15.91 × 91 =
16. 16.195 × 197 =
17. 17.27 × 29 =
18. 18.307 × 303 =
19. 19.28 × 28 =
20. 20.498 × 497 =
21. 21.68 × 67 =
22. 22.62 × 62 =
23. 23.32 × 32 =
24. 24.201 × 208 =
25. 25.209 × 209 =
26. 26.83 × 83 =
27. 27.77 × 76 =
28. 28.292 × 298 =
29. 29.193 × 198 =
30. 30.209 × 203 =
31. 31.74 × 73 =
32. 32.305 × 306 =
33. 33.308 × 308 =
34. 34.69 × 67 =
35. 35.305 × 301 =
36. 36.491 × 499 =
37. 37.53 × 54 =
38. 38.305 × 306 =
39. 39.32 × 33 =
40. 40.199 × 196 =

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