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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 402 · 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. 1.96² =
  2. 2.14² =
  3. 3.33² =
  4. 4.54² =
  5. 5.96² =
  6. 6.43² =
  7. 7.71² =
  8. 8.84² =
  9. 9.59² =
  10. 10.88² =
  11. 11.81² =
  12. 12.84² =
  13. 13.91² =
  14. 14.68² =
  15. 15.37² =
  16. 16.68² =
  17. 17.71² =
  18. 18.85² =
  19. 19.79² =
  20. 20.42² =
  21. 21.84² =
  22. 22.25² =
  23. 23.33² =
  24. 24.85² =
  25. 25.81² =
  26. 26.51² =
  27. 27.24² =
  28. 28.98² =
  29. 29.61² =
  30. 30.73² =
  31. 31.64² =
  32. 32.78² =
  33. 33.78² =
  34. 34.76² =
  35. 35.43² =
  36. 36.41² =
  37. 37.83² =
  38. 38.84² =
  39. 39.17² =
  40. 40.84² =

Answer key

  1. 9216
  2. 196
  3. 1089
  4. 2916
  5. 9216
  6. 1849
  7. 5041
  8. 7056
  9. 3481
  10. 7744
  11. 6561
  12. 7056
  13. 8281
  14. 4624
  15. 1369
  16. 4624
  17. 5041
  18. 7225
  19. 6241
  20. 1764
  21. 7056
  22. 625
  23. 1089
  24. 7225
  25. 6561
  26. 2601
  27. 576
  28. 9604
  29. 3721
  30. 5329
  31. 4096
  32. 6084
  33. 6084
  34. 5776
  35. 1849
  36. 1681
  37. 6889
  38. 7056
  39. 289
  40. 7056

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