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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 611 · 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. 2.29 × 4 =
  3. 3.23 × 4 =
  4. 4.6 × 4 =
  5. 5.50 × 4 =
  6. 6.48 × 4 =
  7. 7.20 × 4 =
  8. 8.17 × 4 =
  9. 9.9 × 4 =
  10. 10.27 × 4 =
  11. 11.32 × 4 =
  12. 12.7 × 4 =
  13. 13.13 × 4 =
  14. 14.8 × 4 =
  15. 15.24 × 4 =
  16. 16.53 × 4 =
  17. 17.22 × 4 =
  18. 18.57 × 4 =
  19. 19.37 × 4 =
  20. 20.31 × 4 =
  21. 21.56 × 4 =
  22. 22.25 × 4 =
  23. 23.36 × 4 =
  24. 24.35 × 4 =
  25. 25.49 × 4 =
  26. 26.45 × 4 =
  27. 27.12 × 4 =
  28. 28.47 × 4 =
  29. 29.14 × 4 =
  30. 30.21 × 4 =
  31. 31.16 × 4 =
  32. 32.34 × 4 =
  33. 33.59 × 4 =
  34. 34.51 × 4 =
  35. 35.40 × 4 =
  36. 36.43 × 4 =
  37. 37.28 × 4 =
  38. 38.33 × 4 =
  39. 39.44 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 156
  2. 116
  3. 92
  4. 24
  5. 200
  6. 192
  7. 80
  8. 68
  9. 36
  10. 108
  11. 128
  12. 28
  13. 52
  14. 32
  15. 96
  16. 212
  17. 88
  18. 228
  19. 148
  20. 124
  21. 224
  22. 100
  23. 144
  24. 140
  25. 196
  26. 180
  27. 48
  28. 188
  29. 56
  30. 84
  31. 64
  32. 136
  33. 236
  34. 204
  35. 160
  36. 172
  37. 112
  38. 132
  39. 176
  40. 184

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