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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 61 · 40 sums
TalentJR

The trick (Dwandwa Yoga): For the number ab: right column = b². Middle column = 2 × a × b. Left column = a². Combine from the right with carries.

NameDateTime takenScore ___ / 40
  1. 1.79² =
  2. 2.82² =
  3. 3.87² =
  4. 4.44² =
  5. 5.48² =
  6. 6.61² =
  7. 7.85² =
  8. 8.75² =
  9. 9.96² =
  10. 10.72² =
  11. 11.28² =
  12. 12.66² =
  13. 13.53² =
  14. 14.31² =
  15. 15.17² =
  16. 16.31² =
  17. 17.28² =
  18. 18.79² =
  19. 19.81² =
  20. 20.37² =
  21. 21.27² =
  22. 22.22² =
  23. 23.25² =
  24. 24.71² =
  25. 25.41² =
  26. 26.18² =
  27. 27.78² =
  28. 28.29² =
  29. 29.75² =
  30. 30.44² =
  31. 31.23² =
  32. 32.36² =
  33. 33.17² =
  34. 34.51² =
  35. 35.66² =
  36. 36.85² =
  37. 37.49² =
  38. 38.61² =
  39. 39.81² =
  40. 40.61² =

Answer key

  1. 6241
  2. 6724
  3. 7569
  4. 1936
  5. 2304
  6. 3721
  7. 7225
  8. 5625
  9. 9216
  10. 5184
  11. 784
  12. 4356
  13. 2809
  14. 961
  15. 289
  16. 961
  17. 784
  18. 6241
  19. 6561
  20. 1369
  21. 729
  22. 484
  23. 625
  24. 5041
  25. 1681
  26. 324
  27. 6084
  28. 841
  29. 5625
  30. 1936
  31. 529
  32. 1296
  33. 289
  34. 2601
  35. 4356
  36. 7225
  37. 2401
  38. 3721
  39. 6561
  40. 3721

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