Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 155 · 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. 1.498 × 497 =
2. 2.37 × 39 =
3. 3.608 × 606 =
4. 4.302 × 303 =
5. 5.303 × 308 =
6. 6.49 × 49 =
7. 7.396 × 395 =
8. 8.36 × 39 =
9. 9.18 × 18 =
10. 10.392 × 394 =
11. 11.402 × 402 =
12. 12.293 × 294 =
13. 13.198 × 197 =
14. 14.76 × 79 =
15. 15.28 × 28 =
16. 16.202 × 201 =
17. 17.401 × 405 =
18. 18.66 × 66 =
19. 19.299 × 297 =
20. 20.399 × 393 =
21. 21.597 × 595 =
22. 22.39 × 39 =
23. 23.492 × 492 =
24. 24.41 × 41 =
25. 25.62 × 64 =
26. 26.309 × 304 =
27. 27.195 × 192 =
28. 28.301 × 307 =
29. 29.308 × 305 =
30. 30.502 × 503 =
31. 31.81 × 83 =
32. 32.48 × 48 =
33. 33.31 × 34 =
34. 34.73 × 74 =
35. 35.197 × 198 =
36. 36.41 × 43 =
37. 37.67 × 69 =
38. 38.92 × 94 =
39. 39.17 × 18 =
40. 40.26 × 27 =

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