Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 363 · 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. 1.22 × 24 =
2. 2.398 × 391 =
3. 3.16 × 17 =
4. 4.19 × 16 =
5. 5.297 × 295 =
6. 6.206 × 203 =
7. 7.38 × 39 =
8. 8.18 × 16 =
9. 9.24 × 21 =
10. 10.497 × 497 =
11. 11.46 × 48 =
12. 12.43 × 42 =
13. 13.77 × 79 =
14. 14.26 × 28 =
15. 15.46 × 49 =
16. 16.198 × 197 =
17. 17.21 × 24 =
18. 18.58 × 56 =
19. 19.77 × 79 =
20. 20.402 × 401 =
21. 21.16 × 17 =
22. 22.299 × 298 =
23. 23.93 × 91 =
24. 24.17 × 18 =
25. 25.37 × 37 =
26. 26.63 × 63 =
27. 27.297 × 296 =
28. 28.33 × 32 =
29. 29.33 × 33 =
30. 30.44 × 43 =
31. 31.57 × 58 =
32. 32.47 × 49 =
33. 33.494 × 498 =
34. 34.67 × 68 =
35. 35.69 × 69 =
36. 36.78 × 78 =
37. 37.499 × 492 =
38. 38.195 × 192 =
39. 39.207 × 208 =
40. 40.93 × 92 =

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