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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 434 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.28 × 4 =
  3. 3.34 × 4 =
  4. 4.57 × 4 =
  5. 5.17 × 4 =
  6. 6.25 × 4 =
  7. 7.11 × 4 =
  8. 8.24 × 4 =
  9. 9.20 × 4 =
  10. 10.16 × 4 =
  11. 11.42 × 4 =
  12. 12.54 × 4 =
  13. 13.46 × 4 =
  14. 14.45 × 4 =
  15. 15.18 × 4 =
  16. 16.37 × 4 =
  17. 17.14 × 4 =
  18. 18.35 × 4 =
  19. 19.56 × 4 =
  20. 20.7 × 4 =
  21. 21.39 × 4 =
  22. 22.29 × 4 =
  23. 23.19 × 4 =
  24. 24.23 × 4 =
  25. 25.21 × 4 =
  26. 26.32 × 4 =
  27. 27.10 × 4 =
  28. 28.30 × 4 =
  29. 29.8 × 4 =
  30. 30.40 × 4 =
  31. 31.6 × 4 =
  32. 32.33 × 4 =
  33. 33.15 × 4 =
  34. 34.41 × 4 =
  35. 35.60 × 4 =
  36. 36.22 × 4 =
  37. 37.48 × 4 =
  38. 38.36 × 4 =
  39. 39.55 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 124
  2. 112
  3. 136
  4. 228
  5. 68
  6. 100
  7. 44
  8. 96
  9. 80
  10. 64
  11. 168
  12. 216
  13. 184
  14. 180
  15. 72
  16. 148
  17. 56
  18. 140
  19. 224
  20. 28
  21. 156
  22. 116
  23. 76
  24. 92
  25. 84
  26. 128
  27. 40
  28. 120
  29. 32
  30. 160
  31. 24
  32. 132
  33. 60
  34. 164
  35. 240
  36. 88
  37. 192
  38. 144
  39. 220
  40. 176

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