Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 616 · 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. 1.19 × 19 =
2. 2.31 × 32 =
3. 3.81 × 84 =
4. 4.503 × 503 =
5. 5.68 × 66 =
6. 6.44 × 43 =
7. 7.302 × 309 =
8. 8.94 × 92 =
9. 9.31 × 33 =
10. 10.63 × 62 =
11. 11.303 × 305 =
12. 12.206 × 201 =
13. 13.609 × 609 =
14. 14.302 × 303 =
15. 15.38 × 37 =
16. 16.42 × 42 =
17. 17.208 × 203 =
18. 18.32 × 32 =
19. 19.38 × 37 =
20. 20.402 × 407 =
21. 21.407 × 402 =
22. 22.207 × 209 =
23. 23.57 × 58 =
24. 24.599 × 599 =
25. 25.84 × 83 =
26. 26.89 × 87 =
27. 27.204 × 202 =
28. 28.49 × 48 =
29. 29.27 × 26 =
30. 30.592 × 593 =
31. 31.24 × 21 =
32. 32.191 × 198 =
33. 33.201 × 203 =
34. 34.82 × 82 =
35. 35.194 × 199 =
36. 36.89 × 88 =
37. 37.37 × 39 =
38. 38.393 × 399 =
39. 39.72 × 72 =
40. 40.407 × 407 =

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