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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 510 · 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. 1.87² =
  2. 2.29² =
  3. 3.78² =
  4. 4.68² =
  5. 5.53² =
  6. 6.33² =
  7. 7.71² =
  8. 8.16² =
  9. 9.98² =
  10. 10.54² =
  11. 11.33² =
  12. 12.31² =
  13. 13.64² =
  14. 14.72² =
  15. 15.51² =
  16. 16.29² =
  17. 17.13² =
  18. 18.91² =
  19. 19.54² =
  20. 20.67² =
  21. 21.34² =
  22. 22.27² =
  23. 23.39² =
  24. 24.42² =
  25. 25.94² =
  26. 26.45² =
  27. 27.72² =
  28. 28.49² =
  29. 29.44² =
  30. 30.34² =
  31. 31.33² =
  32. 32.28² =
  33. 33.16² =
  34. 34.26² =
  35. 35.31² =
  36. 36.52² =
  37. 37.72² =
  38. 38.69² =
  39. 39.64² =
  40. 40.95² =

Answer key

  1. 7569
  2. 841
  3. 6084
  4. 4624
  5. 2809
  6. 1089
  7. 5041
  8. 256
  9. 9604
  10. 2916
  11. 1089
  12. 961
  13. 4096
  14. 5184
  15. 2601
  16. 841
  17. 169
  18. 8281
  19. 2916
  20. 4489
  21. 1156
  22. 729
  23. 1521
  24. 1764
  25. 8836
  26. 2025
  27. 5184
  28. 2401
  29. 1936
  30. 1156
  31. 1089
  32. 784
  33. 256
  34. 676
  35. 961
  36. 2704
  37. 5184
  38. 4761
  39. 4096
  40. 9025

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