Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 158 · 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. 1.79 × 78 =
2. 2.67 × 68 =
3. 3.305 × 306 =
4. 4.59 × 59 =
5. 5.84 × 84 =
6. 6.203 × 203 =
7. 7.209 × 206 =
8. 8.602 × 606 =
9. 9.19 × 16 =
10. 10.392 × 398 =
11. 11.66 × 67 =
12. 12.92 × 94 =
13. 13.71 × 72 =
14. 14.61 × 63 =
15. 15.294 × 292 =
16. 16.591 × 591 =
17. 17.38 × 36 =
18. 18.398 × 398 =
19. 19.16 × 18 =
20. 20.29 × 26 =
21. 21.46 × 48 =
22. 22.28 × 28 =
23. 23.301 × 307 =
24. 24.93 × 92 =
25. 25.306 × 301 =
26. 26.94 × 94 =
27. 27.48 × 46 =
28. 28.297 × 297 =
29. 29.23 × 23 =
30. 30.56 × 59 =
31. 31.505 × 507 =
32. 32.201 × 205 =
33. 33.89 × 89 =
34. 34.608 × 607 =
35. 35.596 × 594 =
36. 36.54 × 54 =
37. 37.298 × 298 =
38. 38.89 × 89 =
39. 39.51 × 52 =
40. 40.36 × 38 =

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