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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 374 · 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. 1.91² =
  2. 2.83² =
  3. 3.86² =
  4. 4.71² =
  5. 5.41² =
  6. 6.68² =
  7. 7.89² =
  8. 8.13² =
  9. 9.38² =
  10. 10.93² =
  11. 11.33² =
  12. 12.91² =
  13. 13.62² =
  14. 14.31² =
  15. 15.61² =
  16. 16.36² =
  17. 17.13² =
  18. 18.33² =
  19. 19.43² =
  20. 20.89² =
  21. 21.25² =
  22. 22.71² =
  23. 23.64² =
  24. 24.43² =
  25. 25.88² =
  26. 26.32² =
  27. 27.52² =
  28. 28.93² =
  29. 29.61² =
  30. 30.97² =
  31. 31.41² =
  32. 32.66² =
  33. 33.29² =
  34. 34.47² =
  35. 35.46² =
  36. 36.19² =
  37. 37.94² =
  38. 38.51² =
  39. 39.21² =
  40. 40.99² =

Answer key

  1. 8281
  2. 6889
  3. 7396
  4. 5041
  5. 1681
  6. 4624
  7. 7921
  8. 169
  9. 1444
  10. 8649
  11. 1089
  12. 8281
  13. 3844
  14. 961
  15. 3721
  16. 1296
  17. 169
  18. 1089
  19. 1849
  20. 7921
  21. 625
  22. 5041
  23. 4096
  24. 1849
  25. 7744
  26. 1024
  27. 2704
  28. 8649
  29. 3721
  30. 9409
  31. 1681
  32. 4356
  33. 841
  34. 2209
  35. 2116
  36. 361
  37. 8836
  38. 2601
  39. 441
  40. 9801

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