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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 561 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.39 × 4 =
  2. 2.47 × 4 =
  3. 3.16 × 4 =
  4. 4.54 × 4 =
  5. 5.31 × 4 =
  6. 6.19 × 4 =
  7. 7.56 × 4 =
  8. 8.44 × 4 =
  9. 9.25 × 4 =
  10. 10.9 × 4 =
  11. 11.52 × 4 =
  12. 12.55 × 4 =
  13. 13.48 × 4 =
  14. 14.18 × 4 =
  15. 15.10 × 4 =
  16. 16.34 × 4 =
  17. 17.6 × 4 =
  18. 18.20 × 4 =
  19. 19.24 × 4 =
  20. 20.41 × 4 =
  21. 21.15 × 4 =
  22. 22.17 × 4 =
  23. 23.40 × 4 =
  24. 24.42 × 4 =
  25. 25.43 × 4 =
  26. 26.33 × 4 =
  27. 27.29 × 4 =
  28. 28.49 × 4 =
  29. 29.7 × 4 =
  30. 30.32 × 4 =
  31. 31.27 × 4 =
  32. 32.36 × 4 =
  33. 33.50 × 4 =
  34. 34.12 × 4 =
  35. 35.59 × 4 =
  36. 36.57 × 4 =
  37. 37.13 × 4 =
  38. 38.46 × 4 =
  39. 39.45 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 156
  2. 188
  3. 64
  4. 216
  5. 124
  6. 76
  7. 224
  8. 176
  9. 100
  10. 36
  11. 208
  12. 220
  13. 192
  14. 72
  15. 40
  16. 136
  17. 24
  18. 80
  19. 96
  20. 164
  21. 60
  22. 68
  23. 160
  24. 168
  25. 172
  26. 132
  27. 116
  28. 196
  29. 28
  30. 128
  31. 108
  32. 144
  33. 200
  34. 48
  35. 236
  36. 228
  37. 52
  38. 184
  39. 180
  40. 212

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