Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 356 · 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. 1.62 × 63 =
2. 2.297 × 293 =
3. 3.22 × 21 =
4. 4.37 × 39 =
5. 5.19 × 16 =
6. 6.41 × 43 =
7. 7.56 × 58 =
8. 8.199 × 196 =
9. 9.507 × 505 =
10. 10.202 × 205 =
11. 11.197 × 198 =
12. 12.79 × 78 =
13. 13.297 × 292 =
14. 14.594 × 591 =
15. 15.34 × 32 =
16. 16.508 × 508 =
17. 17.92 × 91 =
18. 18.496 × 492 =
19. 19.506 × 505 =
20. 20.38 × 39 =
21. 21.47 × 46 =
22. 22.305 × 308 =
23. 23.79 × 78 =
24. 24.24 × 21 =
25. 25.87 × 89 =
26. 26.598 × 593 =
27. 27.308 × 309 =
28. 28.201 × 207 =
29. 29.38 × 39 =
30. 30.405 × 402 =
31. 31.68 × 67 =
32. 32.27 × 26 =
33. 33.202 × 207 =
34. 34.18 × 17 =
35. 35.598 × 598 =
36. 36.87 × 86 =
37. 37.509 × 502 =
38. 38.18 × 17 =
39. 39.19 × 19 =
40. 40.39 × 36 =

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