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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 58 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.55 × 4 =
  3. 3.36 × 4 =
  4. 4.14 × 4 =
  5. 5.27 × 4 =
  6. 6.23 × 4 =
  7. 7.20 × 4 =
  8. 8.15 × 4 =
  9. 9.29 × 4 =
  10. 10.18 × 4 =
  11. 11.9 × 4 =
  12. 12.52 × 4 =
  13. 13.43 × 4 =
  14. 14.16 × 4 =
  15. 15.40 × 4 =
  16. 16.53 × 4 =
  17. 17.39 × 4 =
  18. 18.33 × 4 =
  19. 19.13 × 4 =
  20. 20.51 × 4 =
  21. 21.8 × 4 =
  22. 22.54 × 4 =
  23. 23.56 × 4 =
  24. 24.19 × 4 =
  25. 25.44 × 4 =
  26. 26.32 × 4 =
  27. 27.34 × 4 =
  28. 28.50 × 4 =
  29. 29.6 × 4 =
  30. 30.48 × 4 =
  31. 31.35 × 4 =
  32. 32.42 × 4 =
  33. 33.49 × 4 =
  34. 34.38 × 4 =
  35. 35.21 × 4 =
  36. 36.31 × 4 =
  37. 37.17 × 4 =
  38. 38.25 × 4 =
  39. 39.12 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 180
  2. 220
  3. 144
  4. 56
  5. 108
  6. 92
  7. 80
  8. 60
  9. 116
  10. 72
  11. 36
  12. 208
  13. 172
  14. 64
  15. 160
  16. 212
  17. 156
  18. 132
  19. 52
  20. 204
  21. 32
  22. 216
  23. 224
  24. 76
  25. 176
  26. 128
  27. 136
  28. 200
  29. 24
  30. 192
  31. 140
  32. 168
  33. 196
  34. 152
  35. 84
  36. 124
  37. 68
  38. 100
  39. 48
  40. 232

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