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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 326 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.10 × 4 =
  3. 3.60 × 4 =
  4. 4.56 × 4 =
  5. 5.37 × 4 =
  6. 6.39 × 4 =
  7. 7.46 × 4 =
  8. 8.57 × 4 =
  9. 9.18 × 4 =
  10. 10.49 × 4 =
  11. 11.12 × 4 =
  12. 12.7 × 4 =
  13. 13.11 × 4 =
  14. 14.48 × 4 =
  15. 15.19 × 4 =
  16. 16.47 × 4 =
  17. 17.53 × 4 =
  18. 18.42 × 4 =
  19. 19.51 × 4 =
  20. 20.14 × 4 =
  21. 21.34 × 4 =
  22. 22.33 × 4 =
  23. 23.31 × 4 =
  24. 24.45 × 4 =
  25. 25.38 × 4 =
  26. 26.23 × 4 =
  27. 27.59 × 4 =
  28. 28.52 × 4 =
  29. 29.40 × 4 =
  30. 30.16 × 4 =
  31. 31.13 × 4 =
  32. 32.35 × 4 =
  33. 33.15 × 4 =
  34. 34.8 × 4 =
  35. 35.27 × 4 =
  36. 36.20 × 4 =
  37. 37.29 × 4 =
  38. 38.55 × 4 =
  39. 39.6 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 176
  2. 40
  3. 240
  4. 224
  5. 148
  6. 156
  7. 184
  8. 228
  9. 72
  10. 196
  11. 48
  12. 28
  13. 44
  14. 192
  15. 76
  16. 188
  17. 212
  18. 168
  19. 204
  20. 56
  21. 136
  22. 132
  23. 124
  24. 180
  25. 152
  26. 92
  27. 236
  28. 208
  29. 160
  30. 64
  31. 52
  32. 140
  33. 60
  34. 32
  35. 108
  36. 80
  37. 116
  38. 220
  39. 24
  40. 88

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