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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 288 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.35 × 4 =
  3. 3.55 × 4 =
  4. 4.52 × 4 =
  5. 5.40 × 4 =
  6. 6.33 × 4 =
  7. 7.7 × 4 =
  8. 8.57 × 4 =
  9. 9.59 × 4 =
  10. 10.20 × 4 =
  11. 11.24 × 4 =
  12. 12.11 × 4 =
  13. 13.15 × 4 =
  14. 14.43 × 4 =
  15. 15.8 × 4 =
  16. 16.29 × 4 =
  17. 17.17 × 4 =
  18. 18.45 × 4 =
  19. 19.26 × 4 =
  20. 20.42 × 4 =
  21. 21.9 × 4 =
  22. 22.27 × 4 =
  23. 23.56 × 4 =
  24. 24.50 × 4 =
  25. 25.54 × 4 =
  26. 26.31 × 4 =
  27. 27.14 × 4 =
  28. 28.48 × 4 =
  29. 29.13 × 4 =
  30. 30.19 × 4 =
  31. 31.41 × 4 =
  32. 32.10 × 4 =
  33. 33.28 × 4 =
  34. 34.60 × 4 =
  35. 35.32 × 4 =
  36. 36.6 × 4 =
  37. 37.47 × 4 =
  38. 38.49 × 4 =
  39. 39.38 × 4 =
  40. 40.23 × 4 =

Answer key

  1. 184
  2. 140
  3. 220
  4. 208
  5. 160
  6. 132
  7. 28
  8. 228
  9. 236
  10. 80
  11. 96
  12. 44
  13. 60
  14. 172
  15. 32
  16. 116
  17. 68
  18. 180
  19. 104
  20. 168
  21. 36
  22. 108
  23. 224
  24. 200
  25. 216
  26. 124
  27. 56
  28. 192
  29. 52
  30. 76
  31. 164
  32. 40
  33. 112
  34. 240
  35. 128
  36. 24
  37. 188
  38. 196
  39. 152
  40. 92

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