Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 97 · 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. 1.599 × 597 =
2. 2.33 × 33 =
3. 3.66 × 67 =
4. 4.195 × 198 =
5. 5.92 × 94 =
6. 6.27 × 26 =
7. 7.78 × 77 =
8. 8.48 × 46 =
9. 9.36 × 37 =
10. 10.202 × 201 =
11. 11.601 × 603 =
12. 12.71 × 73 =
13. 13.303 × 309 =
14. 14.39 × 36 =
15. 15.501 × 506 =
16. 16.74 × 73 =
17. 17.33 × 32 =
18. 18.292 × 295 =
19. 19.94 × 94 =
20. 20.398 × 399 =
21. 21.204 × 208 =
22. 22.64 × 63 =
23. 23.53 × 53 =
24. 24.23 × 21 =
25. 25.94 × 94 =
26. 26.591 × 594 =
27. 27.47 × 49 =
28. 28.295 × 295 =
29. 29.41 × 42 =
30. 30.34 × 31 =
31. 31.27 × 28 =
32. 32.398 × 391 =
33. 33.192 × 191 =
34. 34.91 × 93 =
35. 35.66 × 69 =
36. 36.406 × 406 =
37. 37.53 × 51 =
38. 38.503 × 503 =
39. 39.66 × 68 =
40. 40.41 × 44 =

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