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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 191 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.23 × 4 =
  3. 3.53 × 4 =
  4. 4.19 × 4 =
  5. 5.21 × 4 =
  6. 6.30 × 4 =
  7. 7.33 × 4 =
  8. 8.48 × 4 =
  9. 9.26 × 4 =
  10. 10.45 × 4 =
  11. 11.55 × 4 =
  12. 12.42 × 4 =
  13. 13.16 × 4 =
  14. 14.36 × 4 =
  15. 15.13 × 4 =
  16. 16.32 × 4 =
  17. 17.22 × 4 =
  18. 18.58 × 4 =
  19. 19.47 × 4 =
  20. 20.57 × 4 =
  21. 21.50 × 4 =
  22. 22.27 × 4 =
  23. 23.7 × 4 =
  24. 24.12 × 4 =
  25. 25.44 × 4 =
  26. 26.9 × 4 =
  27. 27.25 × 4 =
  28. 28.59 × 4 =
  29. 29.35 × 4 =
  30. 30.24 × 4 =
  31. 31.46 × 4 =
  32. 32.40 × 4 =
  33. 33.31 × 4 =
  34. 34.28 × 4 =
  35. 35.51 × 4 =
  36. 36.56 × 4 =
  37. 37.20 × 4 =
  38. 38.15 × 4 =
  39. 39.11 × 4 =
  40. 40.41 × 4 =

Answer key

  1. 72
  2. 92
  3. 212
  4. 76
  5. 84
  6. 120
  7. 132
  8. 192
  9. 104
  10. 180
  11. 220
  12. 168
  13. 64
  14. 144
  15. 52
  16. 128
  17. 88
  18. 232
  19. 188
  20. 228
  21. 200
  22. 108
  23. 28
  24. 48
  25. 176
  26. 36
  27. 100
  28. 236
  29. 140
  30. 96
  31. 184
  32. 160
  33. 124
  34. 112
  35. 204
  36. 224
  37. 80
  38. 60
  39. 44
  40. 164

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