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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 109 · 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. 2.52 × 4 =
  3. 3.30 × 4 =
  4. 4.42 × 4 =
  5. 5.58 × 4 =
  6. 6.57 × 4 =
  7. 7.22 × 4 =
  8. 8.10 × 4 =
  9. 9.8 × 4 =
  10. 10.60 × 4 =
  11. 11.44 × 4 =
  12. 12.35 × 4 =
  13. 13.23 × 4 =
  14. 14.18 × 4 =
  15. 15.51 × 4 =
  16. 16.40 × 4 =
  17. 17.56 × 4 =
  18. 18.21 × 4 =
  19. 19.54 × 4 =
  20. 20.14 × 4 =
  21. 21.50 × 4 =
  22. 22.37 × 4 =
  23. 23.33 × 4 =
  24. 24.26 × 4 =
  25. 25.27 × 4 =
  26. 26.7 × 4 =
  27. 27.34 × 4 =
  28. 28.12 × 4 =
  29. 29.36 × 4 =
  30. 30.41 × 4 =
  31. 31.16 × 4 =
  32. 32.15 × 4 =
  33. 33.47 × 4 =
  34. 34.53 × 4 =
  35. 35.17 × 4 =
  36. 36.49 × 4 =
  37. 37.20 × 4 =
  38. 38.29 × 4 =
  39. 39.9 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 184
  2. 208
  3. 120
  4. 168
  5. 232
  6. 228
  7. 88
  8. 40
  9. 32
  10. 240
  11. 176
  12. 140
  13. 92
  14. 72
  15. 204
  16. 160
  17. 224
  18. 84
  19. 216
  20. 56
  21. 200
  22. 148
  23. 132
  24. 104
  25. 108
  26. 28
  27. 136
  28. 48
  29. 144
  30. 164
  31. 64
  32. 60
  33. 188
  34. 212
  35. 68
  36. 196
  37. 80
  38. 116
  39. 36
  40. 152

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