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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 256 · 40 questions
TalentJR

The trick (Double double): Double the number. Double the answer again. That is the number × 4.

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.27 × 4 =
  3. 3.53 × 4 =
  4. 4.25 × 4 =
  5. 5.38 × 4 =
  6. 6.36 × 4 =
  7. 7.8 × 4 =
  8. 8.50 × 4 =
  9. 9.7 × 4 =
  10. 10.31 × 4 =
  11. 11.41 × 4 =
  12. 12.26 × 4 =
  13. 13.58 × 4 =
  14. 14.19 × 4 =
  15. 15.22 × 4 =
  16. 16.56 × 4 =
  17. 17.12 × 4 =
  18. 18.49 × 4 =
  19. 19.48 × 4 =
  20. 20.28 × 4 =
  21. 21.24 × 4 =
  22. 22.52 × 4 =
  23. 23.51 × 4 =
  24. 24.16 × 4 =
  25. 25.10 × 4 =
  26. 26.57 × 4 =
  27. 27.6 × 4 =
  28. 28.33 × 4 =
  29. 29.21 × 4 =
  30. 30.23 × 4 =
  31. 31.47 × 4 =
  32. 32.30 × 4 =
  33. 33.43 × 4 =
  34. 34.39 × 4 =
  35. 35.55 × 4 =
  36. 36.44 × 4 =
  37. 37.15 × 4 =
  38. 38.14 × 4 =
  39. 39.59 × 4 =
  40. 40.40 × 4 =

Answer key

  1. 180
  2. 108
  3. 212
  4. 100
  5. 152
  6. 144
  7. 32
  8. 200
  9. 28
  10. 124
  11. 164
  12. 104
  13. 232
  14. 76
  15. 88
  16. 224
  17. 48
  18. 196
  19. 192
  20. 112
  21. 96
  22. 208
  23. 204
  24. 64
  25. 40
  26. 228
  27. 24
  28. 132
  29. 84
  30. 92
  31. 188
  32. 120
  33. 172
  34. 156
  35. 220
  36. 176
  37. 60
  38. 56
  39. 236
  40. 160

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks