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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 454 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.60 × 4 =
  3. 3.22 × 4 =
  4. 4.30 × 4 =
  5. 5.57 × 4 =
  6. 6.55 × 4 =
  7. 7.10 × 4 =
  8. 8.14 × 4 =
  9. 9.18 × 4 =
  10. 10.40 × 4 =
  11. 11.31 × 4 =
  12. 12.49 × 4 =
  13. 13.15 × 4 =
  14. 14.48 × 4 =
  15. 15.34 × 4 =
  16. 16.24 × 4 =
  17. 17.9 × 4 =
  18. 18.6 × 4 =
  19. 19.27 × 4 =
  20. 20.8 × 4 =
  21. 21.16 × 4 =
  22. 22.50 × 4 =
  23. 23.54 × 4 =
  24. 24.29 × 4 =
  25. 25.47 × 4 =
  26. 26.45 × 4 =
  27. 27.59 × 4 =
  28. 28.12 × 4 =
  29. 29.58 × 4 =
  30. 30.44 × 4 =
  31. 31.32 × 4 =
  32. 32.28 × 4 =
  33. 33.51 × 4 =
  34. 34.52 × 4 =
  35. 35.37 × 4 =
  36. 36.38 × 4 =
  37. 37.41 × 4 =
  38. 38.19 × 4 =
  39. 39.11 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 144
  2. 240
  3. 88
  4. 120
  5. 228
  6. 220
  7. 40
  8. 56
  9. 72
  10. 160
  11. 124
  12. 196
  13. 60
  14. 192
  15. 136
  16. 96
  17. 36
  18. 24
  19. 108
  20. 32
  21. 64
  22. 200
  23. 216
  24. 116
  25. 188
  26. 180
  27. 236
  28. 48
  29. 232
  30. 176
  31. 128
  32. 112
  33. 204
  34. 208
  35. 148
  36. 152
  37. 164
  38. 76
  39. 44
  40. 168

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