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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 59 · 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. 1.14² =
  2. 2.21² =
  3. 3.39² =
  4. 4.98² =
  5. 5.37² =
  6. 6.96² =
  7. 7.57² =
  8. 8.57² =
  9. 9.51² =
  10. 10.17² =
  11. 11.37² =
  12. 12.55² =
  13. 13.21² =
  14. 14.71² =
  15. 15.21² =
  16. 16.24² =
  17. 17.44² =
  18. 18.92² =
  19. 19.25² =
  20. 20.11² =
  21. 21.33² =
  22. 22.44² =
  23. 23.81² =
  24. 24.69² =
  25. 25.79² =
  26. 26.41² =
  27. 27.41² =
  28. 28.49² =
  29. 29.43² =
  30. 30.16² =
  31. 31.69² =
  32. 32.16² =
  33. 33.62² =
  34. 34.51² =
  35. 35.81² =
  36. 36.13² =
  37. 37.15² =
  38. 38.62² =
  39. 39.73² =
  40. 40.74² =

Answer key

  1. 196
  2. 441
  3. 1521
  4. 9604
  5. 1369
  6. 9216
  7. 3249
  8. 3249
  9. 2601
  10. 289
  11. 1369
  12. 3025
  13. 441
  14. 5041
  15. 441
  16. 576
  17. 1936
  18. 8464
  19. 625
  20. 121
  21. 1089
  22. 1936
  23. 6561
  24. 4761
  25. 6241
  26. 1681
  27. 1681
  28. 2401
  29. 1849
  30. 256
  31. 4761
  32. 256
  33. 3844
  34. 2601
  35. 6561
  36. 169
  37. 225
  38. 3844
  39. 5329
  40. 5476

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