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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 616 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.13 × 4 =
  3. 3.48 × 4 =
  4. 4.57 × 4 =
  5. 5.43 × 4 =
  6. 6.22 × 4 =
  7. 7.51 × 4 =
  8. 8.16 × 4 =
  9. 9.8 × 4 =
  10. 10.32 × 4 =
  11. 11.26 × 4 =
  12. 12.10 × 4 =
  13. 13.27 × 4 =
  14. 14.21 × 4 =
  15. 15.15 × 4 =
  16. 16.50 × 4 =
  17. 17.19 × 4 =
  18. 18.60 × 4 =
  19. 19.29 × 4 =
  20. 20.38 × 4 =
  21. 21.47 × 4 =
  22. 22.58 × 4 =
  23. 23.37 × 4 =
  24. 24.49 × 4 =
  25. 25.46 × 4 =
  26. 26.40 × 4 =
  27. 27.6 × 4 =
  28. 28.59 × 4 =
  29. 29.35 × 4 =
  30. 30.24 × 4 =
  31. 31.17 × 4 =
  32. 32.52 × 4 =
  33. 33.31 × 4 =
  34. 34.7 × 4 =
  35. 35.56 × 4 =
  36. 36.56 × 4 =
  37. 37.36 × 4 =
  38. 38.53 × 4 =
  39. 39.12 × 4 =
  40. 40.33 × 4 =

Answer key

  1. 176
  2. 52
  3. 192
  4. 228
  5. 172
  6. 88
  7. 204
  8. 64
  9. 32
  10. 128
  11. 104
  12. 40
  13. 108
  14. 84
  15. 60
  16. 200
  17. 76
  18. 240
  19. 116
  20. 152
  21. 188
  22. 232
  23. 148
  24. 196
  25. 184
  26. 160
  27. 24
  28. 236
  29. 140
  30. 96
  31. 68
  32. 208
  33. 124
  34. 28
  35. 224
  36. 224
  37. 144
  38. 212
  39. 48
  40. 132

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