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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 692 · 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. 1.62² =
  2. 2.24² =
  3. 3.19² =
  4. 4.14² =
  5. 5.64² =
  6. 6.56² =
  7. 7.43² =
  8. 8.51² =
  9. 9.44² =
  10. 10.71² =
  11. 11.95² =
  12. 12.39² =
  13. 13.84² =
  14. 14.33² =
  15. 15.66² =
  16. 16.42² =
  17. 17.59² =
  18. 18.14² =
  19. 19.47² =
  20. 20.32² =
  21. 21.43² =
  22. 22.31² =
  23. 23.68² =
  24. 24.78² =
  25. 25.35² =
  26. 26.22² =
  27. 27.84² =
  28. 28.93² =
  29. 29.21² =
  30. 30.66² =
  31. 31.39² =
  32. 32.12² =
  33. 33.76² =
  34. 34.59² =
  35. 35.37² =
  36. 36.93² =
  37. 37.71² =
  38. 38.59² =
  39. 39.81² =
  40. 40.32² =

Answer key

  1. 3844
  2. 576
  3. 361
  4. 196
  5. 4096
  6. 3136
  7. 1849
  8. 2601
  9. 1936
  10. 5041
  11. 9025
  12. 1521
  13. 7056
  14. 1089
  15. 4356
  16. 1764
  17. 3481
  18. 196
  19. 2209
  20. 1024
  21. 1849
  22. 961
  23. 4624
  24. 6084
  25. 1225
  26. 484
  27. 7056
  28. 8649
  29. 441
  30. 4356
  31. 1521
  32. 144
  33. 5776
  34. 3481
  35. 1369
  36. 8649
  37. 5041
  38. 3481
  39. 6561
  40. 1024

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