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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 353 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.8 × 4 =
  3. 3.48 × 4 =
  4. 4.16 × 4 =
  5. 5.6 × 4 =
  6. 6.14 × 4 =
  7. 7.23 × 4 =
  8. 8.49 × 4 =
  9. 9.30 × 4 =
  10. 10.12 × 4 =
  11. 11.33 × 4 =
  12. 12.57 × 4 =
  13. 13.13 × 4 =
  14. 14.37 × 4 =
  15. 15.54 × 4 =
  16. 16.44 × 4 =
  17. 17.18 × 4 =
  18. 18.45 × 4 =
  19. 19.36 × 4 =
  20. 20.41 × 4 =
  21. 21.38 × 4 =
  22. 22.32 × 4 =
  23. 23.56 × 4 =
  24. 24.28 × 4 =
  25. 25.21 × 4 =
  26. 26.31 × 4 =
  27. 27.24 × 4 =
  28. 28.52 × 4 =
  29. 29.50 × 4 =
  30. 30.34 × 4 =
  31. 31.59 × 4 =
  32. 32.17 × 4 =
  33. 33.11 × 4 =
  34. 34.10 × 4 =
  35. 35.26 × 4 =
  36. 36.25 × 4 =
  37. 37.19 × 4 =
  38. 38.27 × 4 =
  39. 39.51 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 28
  2. 32
  3. 192
  4. 64
  5. 24
  6. 56
  7. 92
  8. 196
  9. 120
  10. 48
  11. 132
  12. 228
  13. 52
  14. 148
  15. 216
  16. 176
  17. 72
  18. 180
  19. 144
  20. 164
  21. 152
  22. 128
  23. 224
  24. 112
  25. 84
  26. 124
  27. 96
  28. 208
  29. 200
  30. 136
  31. 236
  32. 68
  33. 44
  34. 40
  35. 104
  36. 100
  37. 76
  38. 108
  39. 204
  40. 184

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