Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 141 · 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. 1.194 × 197 =
2. 2.495 × 498 =
3. 3.48 × 47 =
4. 4.28 × 27 =
5. 5.33 × 31 =
6. 6.68 × 69 =
7. 7.41 × 44 =
8. 8.195 × 198 =
9. 9.193 × 192 =
10. 10.307 × 302 =
11. 11.606 × 604 =
12. 12.395 × 392 =
13. 13.202 × 205 =
14. 14.46 × 46 =
15. 15.205 × 209 =
16. 16.64 × 62 =
17. 17.29 × 26 =
18. 18.42 × 42 =
19. 19.291 × 296 =
20. 20.391 × 398 =
21. 21.27 × 26 =
22. 22.21 × 22 =
23. 23.395 × 398 =
24. 24.63 × 63 =
25. 25.31 × 32 =
26. 26.29 × 27 =
27. 27.81 × 83 =
28. 28.202 × 209 =
29. 29.293 × 298 =
30. 30.87 × 86 =
31. 31.205 × 208 =
32. 32.74 × 71 =
33. 33.92 × 91 =
34. 34.395 × 395 =
35. 35.397 × 398 =
36. 36.23 × 23 =
37. 37.399 × 398 =
38. 38.77 × 76 =
39. 39.42 × 44 =
40. 40.34 × 34 =

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