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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 254 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.32 × 4 =
  3. 3.14 × 4 =
  4. 4.34 × 4 =
  5. 5.31 × 4 =
  6. 6.11 × 4 =
  7. 7.37 × 4 =
  8. 8.55 × 4 =
  9. 9.52 × 4 =
  10. 10.15 × 4 =
  11. 11.35 × 4 =
  12. 12.49 × 4 =
  13. 13.57 × 4 =
  14. 14.13 × 4 =
  15. 15.54 × 4 =
  16. 16.22 × 4 =
  17. 17.6 × 4 =
  18. 18.18 × 4 =
  19. 19.17 × 4 =
  20. 20.27 × 4 =
  21. 21.40 × 4 =
  22. 22.7 × 4 =
  23. 23.12 × 4 =
  24. 24.25 × 4 =
  25. 25.46 × 4 =
  26. 26.59 × 4 =
  27. 27.42 × 4 =
  28. 28.16 × 4 =
  29. 29.39 × 4 =
  30. 30.50 × 4 =
  31. 31.58 × 4 =
  32. 32.38 × 4 =
  33. 33.41 × 4 =
  34. 34.28 × 4 =
  35. 35.33 × 4 =
  36. 36.24 × 4 =
  37. 37.36 × 4 =
  38. 38.60 × 4 =
  39. 39.20 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 120
  2. 128
  3. 56
  4. 136
  5. 124
  6. 44
  7. 148
  8. 220
  9. 208
  10. 60
  11. 140
  12. 196
  13. 228
  14. 52
  15. 216
  16. 88
  17. 24
  18. 72
  19. 68
  20. 108
  21. 160
  22. 28
  23. 48
  24. 100
  25. 184
  26. 236
  27. 168
  28. 64
  29. 156
  30. 200
  31. 232
  32. 152
  33. 164
  34. 112
  35. 132
  36. 96
  37. 144
  38. 240
  39. 80
  40. 180

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