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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 186 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.10 × 4 =
  2. 2.11 × 4 =
  3. 3.47 × 4 =
  4. 4.13 × 4 =
  5. 5.16 × 4 =
  6. 6.26 × 4 =
  7. 7.14 × 4 =
  8. 8.55 × 4 =
  9. 9.34 × 4 =
  10. 10.33 × 4 =
  11. 11.44 × 4 =
  12. 12.56 × 4 =
  13. 13.38 × 4 =
  14. 14.8 × 4 =
  15. 15.46 × 4 =
  16. 16.18 × 4 =
  17. 17.39 × 4 =
  18. 18.15 × 4 =
  19. 19.45 × 4 =
  20. 20.27 × 4 =
  21. 21.50 × 4 =
  22. 22.19 × 4 =
  23. 23.60 × 4 =
  24. 24.22 × 4 =
  25. 25.58 × 4 =
  26. 26.17 × 4 =
  27. 27.37 × 4 =
  28. 28.59 × 4 =
  29. 29.6 × 4 =
  30. 30.43 × 4 =
  31. 31.21 × 4 =
  32. 32.23 × 4 =
  33. 33.51 × 4 =
  34. 34.52 × 4 =
  35. 35.7 × 4 =
  36. 36.57 × 4 =
  37. 37.32 × 4 =
  38. 38.49 × 4 =
  39. 39.28 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 40
  2. 44
  3. 188
  4. 52
  5. 64
  6. 104
  7. 56
  8. 220
  9. 136
  10. 132
  11. 176
  12. 224
  13. 152
  14. 32
  15. 184
  16. 72
  17. 156
  18. 60
  19. 180
  20. 108
  21. 200
  22. 76
  23. 240
  24. 88
  25. 232
  26. 68
  27. 148
  28. 236
  29. 24
  30. 172
  31. 84
  32. 92
  33. 204
  34. 208
  35. 28
  36. 228
  37. 128
  38. 196
  39. 112
  40. 144

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