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Squares of 2 Digit Numbers Worksheet

Vedic maths trick 7: Squares of 2-digit numbers · Set 683 · 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. 1.78² =
  2. 2.33² =
  3. 3.81² =
  4. 4.51² =
  5. 5.69² =
  6. 6.77² =
  7. 7.98² =
  8. 8.55² =
  9. 9.55² =
  10. 10.96² =
  11. 11.78² =
  12. 12.66² =
  13. 13.33² =
  14. 14.34² =
  15. 15.16² =
  16. 16.84² =
  17. 17.95² =
  18. 18.94² =
  19. 19.46² =
  20. 20.79² =
  21. 21.24² =
  22. 22.22² =
  23. 23.71² =
  24. 24.68² =
  25. 25.93² =
  26. 26.52² =
  27. 27.91² =
  28. 28.68² =
  29. 29.44² =
  30. 30.71² =
  31. 31.34² =
  32. 32.47² =
  33. 33.32² =
  34. 34.44² =
  35. 35.31² =
  36. 36.88² =
  37. 37.57² =
  38. 38.19² =
  39. 39.99² =
  40. 40.66² =

Answer key

  1. 6084
  2. 1089
  3. 6561
  4. 2601
  5. 4761
  6. 5929
  7. 9604
  8. 3025
  9. 3025
  10. 9216
  11. 6084
  12. 4356
  13. 1089
  14. 1156
  15. 256
  16. 7056
  17. 9025
  18. 8836
  19. 2116
  20. 6241
  21. 576
  22. 484
  23. 5041
  24. 4624
  25. 8649
  26. 2704
  27. 8281
  28. 4624
  29. 1936
  30. 5041
  31. 1156
  32. 2209
  33. 1024
  34. 1936
  35. 961
  36. 7744
  37. 3249
  38. 361
  39. 9801
  40. 4356

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