Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 871 · 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. 1.208 × 201 =
2. 2.27 × 26 =
3. 3.302 × 303 =
4. 4.52 × 54 =
5. 5.397 × 397 =
6. 6.77 × 77 =
7. 7.21 × 23 =
8. 8.26 × 27 =
9. 9.79 × 79 =
10. 10.91 × 92 =
11. 11.31 × 32 =
12. 12.297 × 297 =
13. 13.203 × 208 =
14. 14.601 × 607 =
15. 15.208 × 207 =
16. 16.44 × 43 =
17. 17.42 × 41 =
18. 18.506 × 506 =
19. 19.596 × 592 =
20. 20.93 × 94 =
21. 21.303 × 309 =
22. 22.398 × 399 =
23. 23.28 × 27 =
24. 24.63 × 62 =
25. 25.29 × 26 =
26. 26.77 × 77 =
27. 27.291 × 293 =
28. 28.501 × 508 =
29. 29.27 × 28 =
30. 30.42 × 44 =
31. 31.591 × 592 =
32. 32.59 × 58 =
33. 33.69 × 66 =
34. 34.61 × 61 =
35. 35.34 × 31 =
36. 36.79 × 76 =
37. 37.307 × 303 =
38. 38.297 × 297 =
39. 39.41 × 42 =
40. 40.74 × 73 =

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