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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 820 · 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. 1.49² =
  2. 2.14² =
  3. 3.64² =
  4. 4.32² =
  5. 5.78² =
  6. 6.96² =
  7. 7.73² =
  8. 8.48² =
  9. 9.96² =
  10. 10.76² =
  11. 11.29² =
  12. 12.65² =
  13. 13.95² =
  14. 14.78² =
  15. 15.45² =
  16. 16.33² =
  17. 17.39² =
  18. 18.43² =
  19. 19.43² =
  20. 20.65² =
  21. 21.97² =
  22. 22.14² =
  23. 23.72² =
  24. 24.42² =
  25. 25.49² =
  26. 26.29² =
  27. 27.86² =
  28. 28.52² =
  29. 29.51² =
  30. 30.38² =
  31. 31.14² =
  32. 32.27² =
  33. 33.98² =
  34. 34.81² =
  35. 35.18² =
  36. 36.11² =
  37. 37.78² =
  38. 38.91² =
  39. 39.29² =
  40. 40.21² =

Answer key

  1. 2401
  2. 196
  3. 4096
  4. 1024
  5. 6084
  6. 9216
  7. 5329
  8. 2304
  9. 9216
  10. 5776
  11. 841
  12. 4225
  13. 9025
  14. 6084
  15. 2025
  16. 1089
  17. 1521
  18. 1849
  19. 1849
  20. 4225
  21. 9409
  22. 196
  23. 5184
  24. 1764
  25. 2401
  26. 841
  27. 7396
  28. 2704
  29. 2601
  30. 1444
  31. 196
  32. 729
  33. 9604
  34. 6561
  35. 324
  36. 121
  37. 6084
  38. 8281
  39. 841
  40. 441

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