Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 291 · 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 × 16 =
2. 2.57 × 59 =
3. 3.291 × 293 =
4. 4.392 × 398 =
5. 5.604 × 609 =
6. 6.67 × 69 =
7. 7.399 × 394 =
8. 8.593 × 592 =
9. 9.208 × 202 =
10. 10.89 × 88 =
11. 11.296 × 299 =
12. 12.17 × 18 =
13. 13.41 × 43 =
14. 14.78 × 79 =
15. 15.79 × 79 =
16. 16.16 × 16 =
17. 17.195 × 198 =
18. 18.392 × 398 =
19. 19.71 × 73 =
20. 20.203 × 202 =
21. 21.71 × 72 =
22. 22.74 × 71 =
23. 23.29 × 29 =
24. 24.198 × 194 =
25. 25.396 × 398 =
26. 26.293 × 297 =
27. 27.46 × 49 =
28. 28.298 × 299 =
29. 29.73 × 74 =
30. 30.207 × 202 =
31. 31.46 × 49 =
32. 32.298 × 299 =
33. 33.48 × 47 =
34. 34.26 × 29 =
35. 35.37 × 36 =
36. 36.91 × 91 =
37. 37.73 × 71 =
38. 38.49 × 49 =
39. 39.26 × 28 =
40. 40.68 × 67 =

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