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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 237 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.55 × 4 =
  3. 3.33 × 4 =
  4. 4.42 × 4 =
  5. 5.40 × 4 =
  6. 6.46 × 4 =
  7. 7.45 × 4 =
  8. 8.17 × 4 =
  9. 9.49 × 4 =
  10. 10.9 × 4 =
  11. 11.13 × 4 =
  12. 12.39 × 4 =
  13. 13.14 × 4 =
  14. 14.20 × 4 =
  15. 15.44 × 4 =
  16. 16.22 × 4 =
  17. 17.15 × 4 =
  18. 18.23 × 4 =
  19. 19.41 × 4 =
  20. 20.10 × 4 =
  21. 21.43 × 4 =
  22. 22.12 × 4 =
  23. 23.59 × 4 =
  24. 24.27 × 4 =
  25. 25.57 × 4 =
  26. 26.37 × 4 =
  27. 27.32 × 4 =
  28. 28.26 × 4 =
  29. 29.52 × 4 =
  30. 30.19 × 4 =
  31. 31.47 × 4 =
  32. 32.24 × 4 =
  33. 33.16 × 4 =
  34. 34.54 × 4 =
  35. 35.7 × 4 =
  36. 36.48 × 4 =
  37. 37.60 × 4 =
  38. 38.30 × 4 =
  39. 39.31 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 112
  2. 220
  3. 132
  4. 168
  5. 160
  6. 184
  7. 180
  8. 68
  9. 196
  10. 36
  11. 52
  12. 156
  13. 56
  14. 80
  15. 176
  16. 88
  17. 60
  18. 92
  19. 164
  20. 40
  21. 172
  22. 48
  23. 236
  24. 108
  25. 228
  26. 148
  27. 128
  28. 104
  29. 208
  30. 76
  31. 188
  32. 96
  33. 64
  34. 216
  35. 28
  36. 192
  37. 240
  38. 120
  39. 124
  40. 140

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