Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 180 · 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. 1.33 × 32 =
2. 2.38 × 38 =
3. 3.406 × 406 =
4. 4.62 × 63 =
5. 5.196 × 195 =
6. 6.76 × 78 =
7. 7.61 × 62 =
8. 8.31 × 31 =
9. 9.395 × 397 =
10. 10.192 × 197 =
11. 11.501 × 501 =
12. 12.204 × 205 =
13. 13.89 × 89 =
14. 14.497 × 494 =
15. 15.93 × 93 =
16. 16.41 × 42 =
17. 17.39 × 39 =
18. 18.89 × 89 =
19. 19.194 × 197 =
20. 20.305 × 306 =
21. 21.203 × 202 =
22. 22.26 × 29 =
23. 23.592 × 593 =
24. 24.27 × 27 =
25. 25.76 × 77 =
26. 26.27 × 26 =
27. 27.21 × 24 =
28. 28.608 × 609 =
29. 29.398 × 396 =
30. 30.34 × 31 =
31. 31.296 × 292 =
32. 32.17 × 18 =
33. 33.46 × 48 =
34. 34.27 × 29 =
35. 35.52 × 52 =
36. 36.408 × 402 =
37. 37.61 × 63 =
38. 38.54 × 51 =
39. 39.21 × 24 =
40. 40.88 × 88 =

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