Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 244 · 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. 1.27 × 28 =
2. 2.292 × 298 =
3. 3.293 × 299 =
4. 4.295 × 291 =
5. 5.78 × 79 =
6. 6.199 × 198 =
7. 7.302 × 309 =
8. 8.76 × 79 =
9. 9.88 × 86 =
10. 10.595 × 591 =
11. 11.42 × 43 =
12. 12.27 × 29 =
13. 13.57 × 59 =
14. 14.591 × 594 =
15. 15.51 × 51 =
16. 16.33 × 34 =
17. 17.509 × 502 =
18. 18.57 × 57 =
19. 19.46 × 46 =
20. 20.209 × 206 =
21. 21.27 × 26 =
22. 22.42 × 42 =
23. 23.27 × 28 =
24. 24.59 × 59 =
25. 25.209 × 204 =
26. 26.53 × 51 =
27. 27.21 × 23 =
28. 28.27 × 26 =
29. 29.401 × 404 =
30. 30.302 × 302 =
31. 31.606 × 606 =
32. 32.21 × 21 =
33. 33.16 × 18 =
34. 34.19 × 17 =
35. 35.18 × 16 =
36. 36.495 × 491 =
37. 37.402 × 408 =
38. 38.73 × 73 =
39. 39.74 × 71 =
40. 40.293 × 297 =

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