Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 169 · 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. 1.28 × 26 =
2. 2.16 × 19 =
3. 3.195 × 199 =
4. 4.392 × 398 =
5. 5.491 × 492 =
6. 6.79 × 79 =
7. 7.608 × 604 =
8. 8.81 × 81 =
9. 9.494 × 493 =
10. 10.608 × 603 =
11. 11.39 × 38 =
12. 12.199 × 197 =
13. 13.32 × 31 =
14. 14.19 × 17 =
15. 15.399 × 398 =
16. 16.92 × 94 =
17. 17.402 × 403 =
18. 18.91 × 91 =
19. 19.67 × 66 =
20. 20.492 × 493 =
21. 21.299 × 295 =
22. 22.82 × 84 =
23. 23.191 × 194 =
24. 24.195 × 192 =
25. 25.57 × 58 =
26. 26.395 × 398 =
27. 27.297 × 296 =
28. 28.84 × 84 =
29. 29.208 × 209 =
30. 30.53 × 54 =
31. 31.49 × 49 =
32. 32.76 × 79 =
33. 33.31 × 34 =
34. 34.191 × 196 =
35. 35.606 × 607 =
36. 36.29 × 27 =
37. 37.394 × 397 =
38. 38.502 × 506 =
39. 39.24 × 24 =
40. 40.82 × 83 =

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