Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 992 · 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. 1.64 × 61 =
2. 2.197 × 196 =
3. 3.206 × 209 =
4. 4.57 × 58 =
5. 5.27 × 29 =
6. 6.71 × 72 =
7. 7.398 × 391 =
8. 8.191 × 198 =
9. 9.83 × 81 =
10. 10.31 × 32 =
11. 11.193 × 197 =
12. 12.32 × 34 =
13. 13.66 × 69 =
14. 14.54 × 52 =
15. 15.91 × 93 =
16. 16.509 × 501 =
17. 17.206 × 206 =
18. 18.27 × 29 =
19. 19.27 × 28 =
20. 20.198 × 194 =
21. 21.203 × 202 =
22. 22.62 × 62 =
23. 23.18 × 18 =
24. 24.503 × 503 =
25. 25.301 × 304 =
26. 26.81 × 83 =
27. 27.42 × 41 =
28. 28.61 × 62 =
29. 29.608 × 603 =
30. 30.87 × 87 =
31. 31.88 × 86 =
32. 32.209 × 201 =
33. 33.17 × 19 =
34. 34.27 × 27 =
35. 35.203 × 204 =
36. 36.38 × 36 =
37. 37.295 × 291 =
38. 38.206 × 209 =
39. 39.508 × 501 =
40. 40.598 × 595 =

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