Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 297 · 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. 1.53 × 53 =
2. 2.601 × 607 =
3. 3.18 × 18 =
4. 4.43 × 42 =
5. 5.598 × 593 =
6. 6.28 × 26 =
7. 7.59 × 56 =
8. 8.54 × 51 =
9. 9.397 × 392 =
10. 10.39 × 36 =
11. 11.16 × 19 =
12. 12.69 × 69 =
13. 13.302 × 305 =
14. 14.394 × 397 =
15. 15.304 × 309 =
16. 16.39 × 38 =
17. 17.32 × 31 =
18. 18.394 × 391 =
19. 19.23 × 21 =
20. 20.291 × 297 =
21. 21.21 × 24 =
22. 22.206 × 204 =
23. 23.599 × 595 =
24. 24.58 × 58 =
25. 25.67 × 69 =
26. 26.43 × 43 =
27. 27.193 × 198 =
28. 28.594 × 591 =
29. 29.197 × 198 =
30. 30.207 × 205 =
31. 31.31 × 33 =
32. 32.594 × 593 =
33. 33.33 × 31 =
34. 34.199 × 194 =
35. 35.195 × 195 =
36. 36.67 × 68 =
37. 37.19 × 17 =
38. 38.67 × 69 =
39. 39.63 × 63 =
40. 40.301 × 309 =

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