Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 984 · 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. 1.89 × 88 =
2. 2.68 × 69 =
3. 3.93 × 94 =
4. 4.92 × 91 =
5. 5.299 × 293 =
6. 6.82 × 84 =
7. 7.203 × 206 =
8. 8.36 × 39 =
9. 9.404 × 407 =
10. 10.67 × 67 =
11. 11.63 × 61 =
12. 12.29 × 27 =
13. 13.201 × 205 =
14. 14.94 × 91 =
15. 15.26 × 29 =
16. 16.308 × 309 =
17. 17.199 × 191 =
18. 18.202 × 203 =
19. 19.299 × 298 =
20. 20.203 × 203 =
21. 21.302 × 306 =
22. 22.391 × 399 =
23. 23.92 × 94 =
24. 24.206 × 209 =
25. 25.24 × 24 =
26. 26.26 × 27 =
27. 27.206 × 208 =
28. 28.302 × 308 =
29. 29.28 × 29 =
30. 30.19 × 18 =
31. 31.401 × 403 =
32. 32.609 × 601 =
33. 33.43 × 41 =
34. 34.49 × 47 =
35. 35.309 × 305 =
36. 36.298 × 291 =
37. 37.42 × 43 =
38. 38.66 × 66 =
39. 39.81 × 81 =
40. 40.406 × 407 =

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