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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 575 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.10 × 4 =
  3. 3.37 × 4 =
  4. 4.57 × 4 =
  5. 5.14 × 4 =
  6. 6.60 × 4 =
  7. 7.55 × 4 =
  8. 8.21 × 4 =
  9. 9.16 × 4 =
  10. 10.27 × 4 =
  11. 11.59 × 4 =
  12. 12.22 × 4 =
  13. 13.19 × 4 =
  14. 14.24 × 4 =
  15. 15.58 × 4 =
  16. 16.48 × 4 =
  17. 17.6 × 4 =
  18. 18.39 × 4 =
  19. 19.30 × 4 =
  20. 20.23 × 4 =
  21. 21.49 × 4 =
  22. 22.46 × 4 =
  23. 23.26 × 4 =
  24. 24.52 × 4 =
  25. 25.12 × 4 =
  26. 26.45 × 4 =
  27. 27.32 × 4 =
  28. 28.56 × 4 =
  29. 29.33 × 4 =
  30. 30.36 × 4 =
  31. 31.34 × 4 =
  32. 32.47 × 4 =
  33. 33.29 × 4 =
  34. 34.40 × 4 =
  35. 35.9 × 4 =
  36. 36.54 × 4 =
  37. 37.42 × 4 =
  38. 38.15 × 4 =
  39. 39.7 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 72
  2. 40
  3. 148
  4. 228
  5. 56
  6. 240
  7. 220
  8. 84
  9. 64
  10. 108
  11. 236
  12. 88
  13. 76
  14. 96
  15. 232
  16. 192
  17. 24
  18. 156
  19. 120
  20. 92
  21. 196
  22. 184
  23. 104
  24. 208
  25. 48
  26. 180
  27. 128
  28. 224
  29. 132
  30. 144
  31. 136
  32. 188
  33. 116
  34. 160
  35. 36
  36. 216
  37. 168
  38. 60
  39. 28
  40. 60

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