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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 119 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.38 × 4 =
  2. 2.48 × 4 =
  3. 3.24 × 4 =
  4. 4.6 × 4 =
  5. 5.54 × 4 =
  6. 6.41 × 4 =
  7. 7.27 × 4 =
  8. 8.50 × 4 =
  9. 9.45 × 4 =
  10. 10.9 × 4 =
  11. 11.32 × 4 =
  12. 12.11 × 4 =
  13. 13.26 × 4 =
  14. 14.15 × 4 =
  15. 15.58 × 4 =
  16. 16.37 × 4 =
  17. 17.47 × 4 =
  18. 18.57 × 4 =
  19. 19.18 × 4 =
  20. 20.13 × 4 =
  21. 21.33 × 4 =
  22. 22.14 × 4 =
  23. 23.7 × 4 =
  24. 24.43 × 4 =
  25. 25.44 × 4 =
  26. 26.29 × 4 =
  27. 27.25 × 4 =
  28. 28.30 × 4 =
  29. 29.55 × 4 =
  30. 30.42 × 4 =
  31. 31.28 × 4 =
  32. 32.8 × 4 =
  33. 33.19 × 4 =
  34. 34.36 × 4 =
  35. 35.23 × 4 =
  36. 36.51 × 4 =
  37. 37.39 × 4 =
  38. 38.28 × 4 =
  39. 39.49 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 152
  2. 192
  3. 96
  4. 24
  5. 216
  6. 164
  7. 108
  8. 200
  9. 180
  10. 36
  11. 128
  12. 44
  13. 104
  14. 60
  15. 232
  16. 148
  17. 188
  18. 228
  19. 72
  20. 52
  21. 132
  22. 56
  23. 28
  24. 172
  25. 176
  26. 116
  27. 100
  28. 120
  29. 220
  30. 168
  31. 112
  32. 32
  33. 76
  34. 144
  35. 92
  36. 204
  37. 156
  38. 112
  39. 196
  40. 236

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