Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 632 · 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. 1.297 × 292 =
2. 2.59 × 59 =
3. 3.47 × 48 =
4. 4.202 × 201 =
5. 5.69 × 69 =
6. 6.392 × 397 =
7. 7.41 × 44 =
8. 8.39 × 39 =
9. 9.49 × 48 =
10. 10.22 × 21 =
11. 11.294 × 292 =
12. 12.399 × 395 =
13. 13.64 × 62 =
14. 14.32 × 34 =
15. 15.31 × 32 =
16. 16.19 × 17 =
17. 17.44 × 44 =
18. 18.41 × 41 =
19. 19.93 × 92 =
20. 20.81 × 83 =
21. 21.34 × 33 =
22. 22.84 × 83 =
23. 23.607 × 608 =
24. 24.406 × 409 =
25. 25.596 × 595 =
26. 26.43 × 44 =
27. 27.76 × 79 =
28. 28.61 × 62 =
29. 29.204 × 206 =
30. 30.399 × 393 =
31. 31.73 × 71 =
32. 32.194 × 192 =
33. 33.603 × 601 =
34. 34.89 × 87 =
35. 35.298 × 296 =
36. 36.503 × 502 =
37. 37.303 × 302 =
38. 38.402 × 409 =
39. 39.56 × 56 =
40. 40.206 × 209 =

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