Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 953 · 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. 1.91 × 94 =
2. 2.591 × 597 =
3. 3.496 × 499 =
4. 4.56 × 56 =
5. 5.39 × 39 =
6. 6.405 × 409 =
7. 7.494 × 491 =
8. 8.86 × 86 =
9. 9.78 × 76 =
10. 10.89 × 89 =
11. 11.16 × 18 =
12. 12.401 × 407 =
13. 13.28 × 28 =
14. 14.396 × 395 =
15. 15.302 × 308 =
16. 16.18 × 18 =
17. 17.202 × 203 =
18. 18.49 × 46 =
19. 19.43 × 41 =
20. 20.62 × 61 =
21. 21.24 × 24 =
22. 22.34 × 32 =
23. 23.602 × 606 =
24. 24.197 × 196 =
25. 25.591 × 599 =
26. 26.21 × 23 =
27. 27.206 × 208 =
28. 28.399 × 391 =
29. 29.61 × 64 =
30. 30.84 × 84 =
31. 31.209 × 209 =
32. 32.409 × 409 =
33. 33.87 × 89 =
34. 34.86 × 87 =
35. 35.46 × 46 =
36. 36.592 × 597 =
37. 37.58 × 57 =
38. 38.19 × 18 =
39. 39.38 × 37 =
40. 40.19 × 16 =

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