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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 618 · 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. 1.72² =
  2. 2.21² =
  3. 3.78² =
  4. 4.45² =
  5. 5.99² =
  6. 6.39² =
  7. 7.99² =
  8. 8.69² =
  9. 9.51² =
  10. 10.44² =
  11. 11.57² =
  12. 12.79² =
  13. 13.71² =
  14. 14.28² =
  15. 15.57² =
  16. 16.57² =
  17. 17.15² =
  18. 18.21² =
  19. 19.69² =
  20. 20.27² =
  21. 21.16² =
  22. 22.38² =
  23. 23.42² =
  24. 24.13² =
  25. 25.33² =
  26. 26.78² =
  27. 27.93² =
  28. 28.13² =
  29. 29.15² =
  30. 30.51² =
  31. 31.27² =
  32. 32.72² =
  33. 33.45² =
  34. 34.65² =
  35. 35.26² =
  36. 36.12² =
  37. 37.46² =
  38. 38.24² =
  39. 39.48² =
  40. 40.27² =

Answer key

  1. 5184
  2. 441
  3. 6084
  4. 2025
  5. 9801
  6. 1521
  7. 9801
  8. 4761
  9. 2601
  10. 1936
  11. 3249
  12. 6241
  13. 5041
  14. 784
  15. 3249
  16. 3249
  17. 225
  18. 441
  19. 4761
  20. 729
  21. 256
  22. 1444
  23. 1764
  24. 169
  25. 1089
  26. 6084
  27. 8649
  28. 169
  29. 225
  30. 2601
  31. 729
  32. 5184
  33. 2025
  34. 4225
  35. 676
  36. 144
  37. 2116
  38. 576
  39. 2304
  40. 729

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