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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 478 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.34 × 4 =
  3. 3.18 × 4 =
  4. 4.16 × 4 =
  5. 5.8 × 4 =
  6. 6.50 × 4 =
  7. 7.38 × 4 =
  8. 8.17 × 4 =
  9. 9.52 × 4 =
  10. 10.57 × 4 =
  11. 11.47 × 4 =
  12. 12.21 × 4 =
  13. 13.56 × 4 =
  14. 14.37 × 4 =
  15. 15.26 × 4 =
  16. 16.40 × 4 =
  17. 17.30 × 4 =
  18. 18.24 × 4 =
  19. 19.27 × 4 =
  20. 20.7 × 4 =
  21. 21.29 × 4 =
  22. 22.25 × 4 =
  23. 23.13 × 4 =
  24. 24.12 × 4 =
  25. 25.58 × 4 =
  26. 26.39 × 4 =
  27. 27.32 × 4 =
  28. 28.59 × 4 =
  29. 29.60 × 4 =
  30. 30.55 × 4 =
  31. 31.43 × 4 =
  32. 32.28 × 4 =
  33. 33.9 × 4 =
  34. 34.46 × 4 =
  35. 35.36 × 4 =
  36. 36.23 × 4 =
  37. 37.42 × 4 =
  38. 38.49 × 4 =
  39. 39.41 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 56
  2. 136
  3. 72
  4. 64
  5. 32
  6. 200
  7. 152
  8. 68
  9. 208
  10. 228
  11. 188
  12. 84
  13. 224
  14. 148
  15. 104
  16. 160
  17. 120
  18. 96
  19. 108
  20. 28
  21. 116
  22. 100
  23. 52
  24. 48
  25. 232
  26. 156
  27. 128
  28. 236
  29. 240
  30. 220
  31. 172
  32. 112
  33. 36
  34. 184
  35. 144
  36. 92
  37. 168
  38. 196
  39. 164
  40. 176

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