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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 630 · 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. 1.67² =
  2. 2.21² =
  3. 3.33² =
  4. 4.87² =
  5. 5.79² =
  6. 6.28² =
  7. 7.34² =
  8. 8.78² =
  9. 9.43² =
  10. 10.29² =
  11. 11.99² =
  12. 12.99² =
  13. 13.31² =
  14. 14.14² =
  15. 15.54² =
  16. 16.37² =
  17. 17.74² =
  18. 18.88² =
  19. 19.36² =
  20. 20.82² =
  21. 21.76² =
  22. 22.71² =
  23. 23.66² =
  24. 24.34² =
  25. 25.25² =
  26. 26.37² =
  27. 27.33² =
  28. 28.67² =
  29. 29.71² =
  30. 30.44² =
  31. 31.56² =
  32. 32.93² =
  33. 33.27² =
  34. 34.64² =
  35. 35.15² =
  36. 36.48² =
  37. 37.62² =
  38. 38.85² =
  39. 39.17² =
  40. 40.31² =

Answer key

  1. 4489
  2. 441
  3. 1089
  4. 7569
  5. 6241
  6. 784
  7. 1156
  8. 6084
  9. 1849
  10. 841
  11. 9801
  12. 9801
  13. 961
  14. 196
  15. 2916
  16. 1369
  17. 5476
  18. 7744
  19. 1296
  20. 6724
  21. 5776
  22. 5041
  23. 4356
  24. 1156
  25. 625
  26. 1369
  27. 1089
  28. 4489
  29. 5041
  30. 1936
  31. 3136
  32. 8649
  33. 729
  34. 4096
  35. 225
  36. 2304
  37. 3844
  38. 7225
  39. 289
  40. 961

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