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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 518 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.19 × 4 =
  2. 2.53 × 4 =
  3. 3.41 × 4 =
  4. 4.24 × 4 =
  5. 5.32 × 4 =
  6. 6.42 × 4 =
  7. 7.18 × 4 =
  8. 8.16 × 4 =
  9. 9.52 × 4 =
  10. 10.44 × 4 =
  11. 11.7 × 4 =
  12. 12.6 × 4 =
  13. 13.34 × 4 =
  14. 14.28 × 4 =
  15. 15.33 × 4 =
  16. 16.23 × 4 =
  17. 17.21 × 4 =
  18. 18.30 × 4 =
  19. 19.17 × 4 =
  20. 20.45 × 4 =
  21. 21.36 × 4 =
  22. 22.50 × 4 =
  23. 23.14 × 4 =
  24. 24.54 × 4 =
  25. 25.12 × 4 =
  26. 26.15 × 4 =
  27. 27.25 × 4 =
  28. 28.60 × 4 =
  29. 29.31 × 4 =
  30. 30.8 × 4 =
  31. 31.47 × 4 =
  32. 32.49 × 4 =
  33. 33.57 × 4 =
  34. 34.59 × 4 =
  35. 35.10 × 4 =
  36. 36.9 × 4 =
  37. 37.29 × 4 =
  38. 38.27 × 4 =
  39. 39.46 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 76
  2. 212
  3. 164
  4. 96
  5. 128
  6. 168
  7. 72
  8. 64
  9. 208
  10. 176
  11. 28
  12. 24
  13. 136
  14. 112
  15. 132
  16. 92
  17. 84
  18. 120
  19. 68
  20. 180
  21. 144
  22. 200
  23. 56
  24. 216
  25. 48
  26. 60
  27. 100
  28. 240
  29. 124
  30. 32
  31. 188
  32. 196
  33. 228
  34. 236
  35. 40
  36. 36
  37. 116
  38. 108
  39. 184
  40. 44

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