Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 800 · 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. 1.499 × 492 =
2. 2.509 × 503 =
3. 3.19 × 19 =
4. 4.63 × 64 =
5. 5.606 × 605 =
6. 6.301 × 303 =
7. 7.397 × 394 =
8. 8.195 × 197 =
9. 9.91 × 93 =
10. 10.306 × 301 =
11. 11.209 × 207 =
12. 12.28 × 26 =
13. 13.91 × 94 =
14. 14.93 × 94 =
15. 15.208 × 204 =
16. 16.394 × 393 =
17. 17.77 × 78 =
18. 18.193 × 196 =
19. 19.29 × 28 =
20. 20.39 × 36 =
21. 21.306 × 301 =
22. 22.77 × 79 =
23. 23.81 × 81 =
24. 24.203 × 207 =
25. 25.76 × 79 =
26. 26.498 × 495 =
27. 27.201 × 201 =
28. 28.34 × 34 =
29. 29.92 × 91 =
30. 30.309 × 304 =
31. 31.497 × 494 =
32. 32.81 × 83 =
33. 33.79 × 78 =
34. 34.18 × 19 =
35. 35.392 × 391 =
36. 36.52 × 54 =
37. 37.498 × 493 =
38. 38.297 × 295 =
39. 39.33 × 34 =
40. 40.296 × 299 =

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