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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 324 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.59 × 4 =
  2. 2.51 × 4 =
  3. 3.31 × 4 =
  4. 4.32 × 4 =
  5. 5.29 × 4 =
  6. 6.60 × 4 =
  7. 7.33 × 4 =
  8. 8.57 × 4 =
  9. 9.17 × 4 =
  10. 10.20 × 4 =
  11. 11.56 × 4 =
  12. 12.8 × 4 =
  13. 13.36 × 4 =
  14. 14.13 × 4 =
  15. 15.38 × 4 =
  16. 16.48 × 4 =
  17. 17.7 × 4 =
  18. 18.28 × 4 =
  19. 19.58 × 4 =
  20. 20.10 × 4 =
  21. 21.44 × 4 =
  22. 22.40 × 4 =
  23. 23.14 × 4 =
  24. 24.50 × 4 =
  25. 25.55 × 4 =
  26. 26.25 × 4 =
  27. 27.15 × 4 =
  28. 28.19 × 4 =
  29. 29.9 × 4 =
  30. 30.37 × 4 =
  31. 31.42 × 4 =
  32. 32.52 × 4 =
  33. 33.45 × 4 =
  34. 34.11 × 4 =
  35. 35.34 × 4 =
  36. 36.47 × 4 =
  37. 37.46 × 4 =
  38. 38.53 × 4 =
  39. 39.27 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 236
  2. 204
  3. 124
  4. 128
  5. 116
  6. 240
  7. 132
  8. 228
  9. 68
  10. 80
  11. 224
  12. 32
  13. 144
  14. 52
  15. 152
  16. 192
  17. 28
  18. 112
  19. 232
  20. 40
  21. 176
  22. 160
  23. 56
  24. 200
  25. 220
  26. 100
  27. 60
  28. 76
  29. 36
  30. 148
  31. 168
  32. 208
  33. 180
  34. 44
  35. 136
  36. 188
  37. 184
  38. 212
  39. 108
  40. 96

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