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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 467 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.20 × 4 =
  3. 3.38 × 4 =
  4. 4.17 × 4 =
  5. 5.19 × 4 =
  6. 6.31 × 4 =
  7. 7.41 × 4 =
  8. 8.10 × 4 =
  9. 9.53 × 4 =
  10. 10.44 × 4 =
  11. 11.29 × 4 =
  12. 12.22 × 4 =
  13. 13.47 × 4 =
  14. 14.9 × 4 =
  15. 15.55 × 4 =
  16. 16.58 × 4 =
  17. 17.50 × 4 =
  18. 18.27 × 4 =
  19. 19.59 × 4 =
  20. 20.7 × 4 =
  21. 21.39 × 4 =
  22. 22.45 × 4 =
  23. 23.30 × 4 =
  24. 24.34 × 4 =
  25. 25.8 × 4 =
  26. 26.35 × 4 =
  27. 27.52 × 4 =
  28. 28.46 × 4 =
  29. 29.23 × 4 =
  30. 30.6 × 4 =
  31. 31.36 × 4 =
  32. 32.56 × 4 =
  33. 33.51 × 4 =
  34. 34.18 × 4 =
  35. 35.54 × 4 =
  36. 36.33 × 4 =
  37. 37.32 × 4 =
  38. 38.49 × 4 =
  39. 39.26 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 192
  2. 80
  3. 152
  4. 68
  5. 76
  6. 124
  7. 164
  8. 40
  9. 212
  10. 176
  11. 116
  12. 88
  13. 188
  14. 36
  15. 220
  16. 232
  17. 200
  18. 108
  19. 236
  20. 28
  21. 156
  22. 180
  23. 120
  24. 136
  25. 32
  26. 140
  27. 208
  28. 184
  29. 92
  30. 24
  31. 144
  32. 224
  33. 204
  34. 72
  35. 216
  36. 132
  37. 128
  38. 196
  39. 104
  40. 44

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