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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 983 · 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. 1.71² =
  2. 2.67² =
  3. 3.49² =
  4. 4.14² =
  5. 5.25² =
  6. 6.21² =
  7. 7.92² =
  8. 8.51² =
  9. 9.99² =
  10. 10.27² =
  11. 11.17² =
  12. 12.43² =
  13. 13.32² =
  14. 14.27² =
  15. 15.76² =
  16. 16.17² =
  17. 17.38² =
  18. 18.24² =
  19. 19.29² =
  20. 20.76² =
  21. 21.17² =
  22. 22.21² =
  23. 23.82² =
  24. 24.32² =
  25. 25.22² =
  26. 26.85² =
  27. 27.16² =
  28. 28.95² =
  29. 29.66² =
  30. 30.68² =
  31. 31.64² =
  32. 32.29² =
  33. 33.37² =
  34. 34.41² =
  35. 35.61² =
  36. 36.74² =
  37. 37.87² =
  38. 38.67² =
  39. 39.34² =
  40. 40.36² =

Answer key

  1. 5041
  2. 4489
  3. 2401
  4. 196
  5. 625
  6. 441
  7. 8464
  8. 2601
  9. 9801
  10. 729
  11. 289
  12. 1849
  13. 1024
  14. 729
  15. 5776
  16. 289
  17. 1444
  18. 576
  19. 841
  20. 5776
  21. 289
  22. 441
  23. 6724
  24. 1024
  25. 484
  26. 7225
  27. 256
  28. 9025
  29. 4356
  30. 4624
  31. 4096
  32. 841
  33. 1369
  34. 1681
  35. 3721
  36. 5476
  37. 7569
  38. 4489
  39. 1156
  40. 1296

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