Working Base Multiplication Worksheet

Vedic maths trick 15: Working-base multiplication · Set 683 · 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. 1.604 × 606 =
2. 2.76 × 78 =
3. 3.88 × 88 =
4. 4.408 × 401 =
5. 5.394 × 399 =
6. 6.193 × 196 =
7. 7.34 × 33 =
8. 8.68 × 69 =
9. 9.72 × 72 =
10. 10.591 × 594 =
11. 11.196 × 199 =
12. 12.78 × 79 =
13. 13.197 × 192 =
14. 14.204 × 203 =
15. 15.91 × 93 =
16. 16.595 × 593 =
17. 17.208 × 202 =
18. 18.87 × 89 =
19. 19.594 × 596 =
20. 20.24 × 23 =
21. 21.16 × 19 =
22. 22.49 × 49 =
23. 23.207 × 205 =
24. 24.595 × 596 =
25. 25.54 × 52 =
26. 26.18 × 19 =
27. 27.405 × 409 =
28. 28.91 × 93 =
29. 29.76 × 78 =
30. 30.603 × 609 =
31. 31.21 × 24 =
32. 32.19 × 17 =
33. 33.93 × 94 =
34. 34.68 × 67 =
35. 35.19 × 18 =
36. 36.409 × 404 =
37. 37.603 × 602 =
38. 38.26 × 29 =
39. 39.205 × 201 =
40. 40.51 × 51 =

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