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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 262 · 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. 1.31² =
  2. 2.78² =
  3. 3.38² =
  4. 4.21² =
  5. 5.21² =
  6. 6.18² =
  7. 7.29² =
  8. 8.31² =
  9. 9.89² =
  10. 10.82² =
  11. 11.17² =
  12. 12.11² =
  13. 13.44² =
  14. 14.45² =
  15. 15.89² =
  16. 16.56² =
  17. 17.51² =
  18. 18.39² =
  19. 19.83² =
  20. 20.68² =
  21. 21.29² =
  22. 22.43² =
  23. 23.52² =
  24. 24.41² =
  25. 25.14² =
  26. 26.28² =
  27. 27.67² =
  28. 28.78² =
  29. 29.64² =
  30. 30.66² =
  31. 31.49² =
  32. 32.44² =
  33. 33.24² =
  34. 34.75² =
  35. 35.23² =
  36. 36.59² =
  37. 37.11² =
  38. 38.86² =
  39. 39.41² =
  40. 40.71² =

Answer key

  1. 961
  2. 6084
  3. 1444
  4. 441
  5. 441
  6. 324
  7. 841
  8. 961
  9. 7921
  10. 6724
  11. 289
  12. 121
  13. 1936
  14. 2025
  15. 7921
  16. 3136
  17. 2601
  18. 1521
  19. 6889
  20. 4624
  21. 841
  22. 1849
  23. 2704
  24. 1681
  25. 196
  26. 784
  27. 4489
  28. 6084
  29. 4096
  30. 4356
  31. 2401
  32. 1936
  33. 576
  34. 5625
  35. 529
  36. 3481
  37. 121
  38. 7396
  39. 1681
  40. 5041

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