Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 249 · 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. 1.87 × 88 =
2. 2.192 × 195 =
3. 3.17 × 19 =
4. 4.87 × 87 =
5. 5.606 × 601 =
6. 6.203 × 201 =
7. 7.66 × 67 =
8. 8.601 × 608 =
9. 9.52 × 54 =
10. 10.41 × 43 =
11. 11.294 × 294 =
12. 12.22 × 21 =
13. 13.306 × 307 =
14. 14.502 × 506 =
15. 15.18 × 19 =
16. 16.209 × 208 =
17. 17.67 × 69 =
18. 18.23 × 22 =
19. 19.86 × 88 =
20. 20.33 × 33 =
21. 21.195 × 199 =
22. 22.34 × 31 =
23. 23.298 × 296 =
24. 24.59 × 56 =
25. 25.39 × 36 =
26. 26.206 × 202 =
27. 27.46 × 49 =
28. 28.79 × 77 =
29. 29.599 × 593 =
30. 30.297 × 299 =
31. 31.393 × 391 =
32. 32.73 × 72 =
33. 33.501 × 503 =
34. 34.61 × 61 =
35. 35.78 × 77 =
36. 36.63 × 63 =
37. 37.64 × 61 =
38. 38.595 × 592 =
39. 39.53 × 51 =
40. 40.499 × 491 =

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