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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 383 · 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. 1.87² =
  2. 2.31² =
  3. 3.45² =
  4. 4.44² =
  5. 5.99² =
  6. 6.83² =
  7. 7.14² =
  8. 8.72² =
  9. 9.41² =
  10. 10.56² =
  11. 11.48² =
  12. 12.76² =
  13. 13.41² =
  14. 14.11² =
  15. 15.85² =
  16. 16.82² =
  17. 17.85² =
  18. 18.12² =
  19. 19.98² =
  20. 20.58² =
  21. 21.35² =
  22. 22.61² =
  23. 23.41² =
  24. 24.87² =
  25. 25.74² =
  26. 26.82² =
  27. 27.55² =
  28. 28.43² =
  29. 29.33² =
  30. 30.67² =
  31. 31.92² =
  32. 32.34² =
  33. 33.47² =
  34. 34.32² =
  35. 35.34² =
  36. 36.53² =
  37. 37.33² =
  38. 38.78² =
  39. 39.49² =
  40. 40.71² =

Answer key

  1. 7569
  2. 961
  3. 2025
  4. 1936
  5. 9801
  6. 6889
  7. 196
  8. 5184
  9. 1681
  10. 3136
  11. 2304
  12. 5776
  13. 1681
  14. 121
  15. 7225
  16. 6724
  17. 7225
  18. 144
  19. 9604
  20. 3364
  21. 1225
  22. 3721
  23. 1681
  24. 7569
  25. 5476
  26. 6724
  27. 3025
  28. 1849
  29. 1089
  30. 4489
  31. 8464
  32. 1156
  33. 2209
  34. 1024
  35. 1156
  36. 2809
  37. 1089
  38. 6084
  39. 2401
  40. 5041

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