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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 229 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.38 × 4 =
  3. 3.37 × 4 =
  4. 4.33 × 4 =
  5. 5.50 × 4 =
  6. 6.45 × 4 =
  7. 7.53 × 4 =
  8. 8.30 × 4 =
  9. 9.10 × 4 =
  10. 10.52 × 4 =
  11. 11.46 × 4 =
  12. 12.49 × 4 =
  13. 13.16 × 4 =
  14. 14.35 × 4 =
  15. 15.47 × 4 =
  16. 16.56 × 4 =
  17. 17.18 × 4 =
  18. 18.20 × 4 =
  19. 19.36 × 4 =
  20. 20.28 × 4 =
  21. 21.48 × 4 =
  22. 22.25 × 4 =
  23. 23.21 × 4 =
  24. 24.24 × 4 =
  25. 25.8 × 4 =
  26. 26.26 × 4 =
  27. 27.23 × 4 =
  28. 28.19 × 4 =
  29. 29.44 × 4 =
  30. 30.27 × 4 =
  31. 31.13 × 4 =
  32. 32.11 × 4 =
  33. 33.41 × 4 =
  34. 34.40 × 4 =
  35. 35.59 × 4 =
  36. 36.31 × 4 =
  37. 37.29 × 4 =
  38. 38.60 × 4 =
  39. 39.55 × 4 =
  40. 40.57 × 4 =

Answer key

  1. 68
  2. 152
  3. 148
  4. 132
  5. 200
  6. 180
  7. 212
  8. 120
  9. 40
  10. 208
  11. 184
  12. 196
  13. 64
  14. 140
  15. 188
  16. 224
  17. 72
  18. 80
  19. 144
  20. 112
  21. 192
  22. 100
  23. 84
  24. 96
  25. 32
  26. 104
  27. 92
  28. 76
  29. 176
  30. 108
  31. 52
  32. 44
  33. 164
  34. 160
  35. 236
  36. 124
  37. 116
  38. 240
  39. 220
  40. 228

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