Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 949 · 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. 1.89 × 89 =
2. 2.396 × 391 =
3. 3.596 × 596 =
4. 4.27 × 28 =
5. 5.298 × 298 =
6. 6.18 × 16 =
7. 7.608 × 607 =
8. 8.79 × 79 =
9. 9.49 × 47 =
10. 10.198 × 192 =
11. 11.41 × 44 =
12. 12.53 × 53 =
13. 13.201 × 203 =
14. 14.52 × 53 =
15. 15.601 × 608 =
16. 16.507 × 504 =
17. 17.306 × 306 =
18. 18.53 × 53 =
19. 19.605 × 608 =
20. 20.69 × 67 =
21. 21.198 × 195 =
22. 22.39 × 36 =
23. 23.44 × 42 =
24. 24.91 × 94 =
25. 25.606 × 608 =
26. 26.31 × 31 =
27. 27.296 × 292 =
28. 28.21 × 21 =
29. 29.605 × 602 =
30. 30.503 × 501 =
31. 31.64 × 63 =
32. 32.399 × 391 =
33. 33.396 × 394 =
34. 34.78 × 78 =
35. 35.304 × 304 =
36. 36.508 × 504 =
37. 37.393 × 391 =
38. 38.201 × 203 =
39. 39.393 × 395 =
40. 40.301 × 301 =

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