Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 917 · 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. 1.497 × 498 =
2. 2.16 × 18 =
3. 3.302 × 305 =
4. 4.598 × 599 =
5. 5.33 × 33 =
6. 6.48 × 49 =
7. 7.205 × 205 =
8. 8.23 × 22 =
9. 9.16 × 16 =
10. 10.597 × 593 =
11. 11.88 × 89 =
12. 12.297 × 298 =
13. 13.607 × 603 =
14. 14.495 × 497 =
15. 15.58 × 58 =
16. 16.494 × 495 =
17. 17.499 × 492 =
18. 18.409 × 401 =
19. 19.49 × 48 =
20. 20.403 × 407 =
21. 21.28 × 29 =
22. 22.74 × 74 =
23. 23.603 × 603 =
24. 24.89 × 88 =
25. 25.397 × 395 =
26. 26.207 × 208 =
27. 27.53 × 52 =
28. 28.31 × 34 =
29. 29.199 × 194 =
30. 30.23 × 22 =
31. 31.503 × 508 =
32. 32.296 × 293 =
33. 33.493 × 491 =
34. 34.399 × 396 =
35. 35.88 × 88 =
36. 36.34 × 33 =
37. 37.494 × 495 =
38. 38.57 × 59 =
39. 39.303 × 307 =
40. 40.56 × 57 =

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