Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 163 · 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. 1.38 × 37 =
2. 2.29 × 28 =
3. 3.192 × 196 =
4. 4.38 × 37 =
5. 5.201 × 205 =
6. 6.597 × 597 =
7. 7.77 × 79 =
8. 8.291 × 292 =
9. 9.92 × 92 =
10. 10.73 × 74 =
11. 11.498 × 497 =
12. 12.77 × 78 =
13. 13.46 × 49 =
14. 14.31 × 33 =
15. 15.72 × 71 =
16. 16.43 × 44 =
17. 17.44 × 42 =
18. 18.41 × 44 =
19. 19.601 × 603 =
20. 20.47 × 49 =
21. 21.36 × 36 =
22. 22.502 × 507 =
23. 23.51 × 54 =
24. 24.24 × 24 =
25. 25.501 × 509 =
26. 26.498 × 498 =
27. 27.192 × 195 =
28. 28.501 × 509 =
29. 29.68 × 66 =
30. 30.24 × 22 =
31. 31.397 × 393 =
32. 32.202 × 203 =
33. 33.93 × 92 =
34. 34.64 × 62 =
35. 35.201 × 203 =
36. 36.193 × 193 =
37. 37.16 × 17 =
38. 38.605 × 604 =
39. 39.86 × 89 =
40. 40.302 × 302 =

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