Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 968 · 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. 1.24 × 22 =
2. 2.43 × 42 =
3. 3.503 × 505 =
4. 4.72 × 74 =
5. 5.208 × 205 =
6. 6.197 × 196 =
7. 7.73 × 71 =
8. 8.505 × 509 =
9. 9.24 × 21 =
10. 10.72 × 74 =
11. 11.36 × 37 =
12. 12.73 × 73 =
13. 13.16 × 18 =
14. 14.53 × 53 =
15. 15.598 × 596 =
16. 16.28 × 29 =
17. 17.199 × 192 =
18. 18.37 × 38 =
19. 19.92 × 91 =
20. 20.29 × 28 =
21. 21.19 × 19 =
22. 22.73 × 71 =
23. 23.197 × 195 =
24. 24.29 × 26 =
25. 25.195 × 197 =
26. 26.26 × 26 =
27. 27.402 × 405 =
28. 28.597 × 595 =
29. 29.409 × 409 =
30. 30.497 × 493 =
31. 31.32 × 34 =
32. 32.21 × 21 =
33. 33.19 × 16 =
34. 34.193 × 195 =
35. 35.47 × 48 =
36. 36.31 × 34 =
37. 37.36 × 38 =
38. 38.301 × 305 =
39. 39.302 × 304 =
40. 40.191 × 197 =

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