Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 266 · 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. 1.401 × 405 =
2. 2.504 × 506 =
3. 3.86 × 88 =
4. 4.42 × 42 =
5. 5.54 × 53 =
6. 6.26 × 27 =
7. 7.93 × 92 =
8. 8.44 × 42 =
9. 9.391 × 394 =
10. 10.292 × 298 =
11. 11.43 × 44 =
12. 12.502 × 507 =
13. 13.301 × 302 =
14. 14.303 × 309 =
15. 15.203 × 202 =
16. 16.74 × 71 =
17. 17.89 × 89 =
18. 18.197 × 198 =
19. 19.606 × 608 =
20. 20.294 × 298 =
21. 21.38 × 36 =
22. 22.499 × 499 =
23. 23.408 × 407 =
24. 24.195 × 198 =
25. 25.19 × 17 =
26. 26.206 × 209 =
27. 27.18 × 18 =
28. 28.21 × 23 =
29. 29.38 × 38 =
30. 30.503 × 502 =
31. 31.22 × 22 =
32. 32.67 × 69 =
33. 33.42 × 41 =
34. 34.393 × 391 =
35. 35.608 × 601 =
36. 36.298 × 293 =
37. 37.499 × 498 =
38. 38.303 × 303 =
39. 39.201 × 206 =
40. 40.76 × 79 =

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