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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 991 · 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. 1.71² =
  2. 2.89² =
  3. 3.33² =
  4. 4.21² =
  5. 5.22² =
  6. 6.15² =
  7. 7.41² =
  8. 8.47² =
  9. 9.55² =
  10. 10.52² =
  11. 11.36² =
  12. 12.26² =
  13. 13.21² =
  14. 14.71² =
  15. 15.34² =
  16. 16.41² =
  17. 17.55² =
  18. 18.13² =
  19. 19.34² =
  20. 20.95² =
  21. 21.14² =
  22. 22.32² =
  23. 23.99² =
  24. 24.13² =
  25. 25.32² =
  26. 26.57² =
  27. 27.41² =
  28. 28.45² =
  29. 29.32² =
  30. 30.33² =
  31. 31.42² =
  32. 32.49² =
  33. 33.42² =
  34. 34.48² =
  35. 35.73² =
  36. 36.89² =
  37. 37.83² =
  38. 38.64² =
  39. 39.63² =
  40. 40.38² =

Answer key

  1. 5041
  2. 7921
  3. 1089
  4. 441
  5. 484
  6. 225
  7. 1681
  8. 2209
  9. 3025
  10. 2704
  11. 1296
  12. 676
  13. 441
  14. 5041
  15. 1156
  16. 1681
  17. 3025
  18. 169
  19. 1156
  20. 9025
  21. 196
  22. 1024
  23. 9801
  24. 169
  25. 1024
  26. 3249
  27. 1681
  28. 2025
  29. 1024
  30. 1089
  31. 1764
  32. 2401
  33. 1764
  34. 2304
  35. 5329
  36. 7921
  37. 6889
  38. 4096
  39. 3969
  40. 1444

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