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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 153 · 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. 1.63² =
  2. 2.47² =
  3. 3.28² =
  4. 4.48² =
  5. 5.41² =
  6. 6.98² =
  7. 7.59² =
  8. 8.24² =
  9. 9.12² =
  10. 10.68² =
  11. 11.71² =
  12. 12.35² =
  13. 13.17² =
  14. 14.73² =
  15. 15.91² =
  16. 16.27² =
  17. 17.96² =
  18. 18.82² =
  19. 19.12² =
  20. 20.99² =
  21. 21.14² =
  22. 22.74² =
  23. 23.88² =
  24. 24.87² =
  25. 25.21² =
  26. 26.98² =
  27. 27.23² =
  28. 28.21² =
  29. 29.53² =
  30. 30.41² =
  31. 31.93² =
  32. 32.62² =
  33. 33.94² =
  34. 34.37² =
  35. 35.61² =
  36. 36.29² =
  37. 37.21² =
  38. 38.53² =
  39. 39.34² =
  40. 40.23² =

Answer key

  1. 3969
  2. 2209
  3. 784
  4. 2304
  5. 1681
  6. 9604
  7. 3481
  8. 576
  9. 144
  10. 4624
  11. 5041
  12. 1225
  13. 289
  14. 5329
  15. 8281
  16. 729
  17. 9216
  18. 6724
  19. 144
  20. 9801
  21. 196
  22. 5476
  23. 7744
  24. 7569
  25. 441
  26. 9604
  27. 529
  28. 441
  29. 2809
  30. 1681
  31. 8649
  32. 3844
  33. 8836
  34. 1369
  35. 3721
  36. 841
  37. 441
  38. 2809
  39. 1156
  40. 529

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