Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 436 · 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. 1.196 × 191 =
2. 2.401 × 402 =
3. 3.199 × 197 =
4. 4.198 × 199 =
5. 5.202 × 202 =
6. 6.63 × 61 =
7. 7.193 × 197 =
8. 8.87 × 87 =
9. 9.94 × 93 =
10. 10.79 × 79 =
11. 11.19 × 17 =
12. 12.498 × 499 =
13. 13.27 × 26 =
14. 14.77 × 77 =
15. 15.601 × 604 =
16. 16.37 × 37 =
17. 17.398 × 393 =
18. 18.604 × 604 =
19. 19.82 × 81 =
20. 20.301 × 301 =
21. 21.17 × 18 =
22. 22.53 × 54 =
23. 23.396 × 394 =
24. 24.202 × 203 =
25. 25.497 × 499 =
26. 26.44 × 44 =
27. 27.89 × 87 =
28. 28.402 × 407 =
29. 29.73 × 72 =
30. 30.87 × 88 =
31. 31.24 × 24 =
32. 32.507 × 502 =
33. 33.54 × 53 =
34. 34.293 × 299 =
35. 35.68 × 68 =
36. 36.18 × 16 =
37. 37.305 × 304 =
38. 38.209 × 206 =
39. 39.501 × 501 =
40. 40.493 × 492 =

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