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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 499 · 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. 2.19 × 4 =
  3. 3.46 × 4 =
  4. 4.34 × 4 =
  5. 5.16 × 4 =
  6. 6.52 × 4 =
  7. 7.54 × 4 =
  8. 8.17 × 4 =
  9. 9.45 × 4 =
  10. 10.39 × 4 =
  11. 11.33 × 4 =
  12. 12.32 × 4 =
  13. 13.47 × 4 =
  14. 14.13 × 4 =
  15. 15.36 × 4 =
  16. 16.48 × 4 =
  17. 17.27 × 4 =
  18. 18.41 × 4 =
  19. 19.58 × 4 =
  20. 20.51 × 4 =
  21. 21.8 × 4 =
  22. 22.11 × 4 =
  23. 23.6 × 4 =
  24. 24.12 × 4 =
  25. 25.7 × 4 =
  26. 26.55 × 4 =
  27. 27.44 × 4 =
  28. 28.24 × 4 =
  29. 29.25 × 4 =
  30. 30.56 × 4 =
  31. 31.35 × 4 =
  32. 32.37 × 4 =
  33. 33.59 × 4 =
  34. 34.21 × 4 =
  35. 35.43 × 4 =
  36. 36.40 × 4 =
  37. 37.18 × 4 =
  38. 38.49 × 4 =
  39. 39.38 × 4 =
  40. 40.28 × 4 =

Answer key

  1. 40
  2. 76
  3. 184
  4. 136
  5. 64
  6. 208
  7. 216
  8. 68
  9. 180
  10. 156
  11. 132
  12. 128
  13. 188
  14. 52
  15. 144
  16. 192
  17. 108
  18. 164
  19. 232
  20. 204
  21. 32
  22. 44
  23. 24
  24. 48
  25. 28
  26. 220
  27. 176
  28. 96
  29. 100
  30. 224
  31. 140
  32. 148
  33. 236
  34. 84
  35. 172
  36. 160
  37. 72
  38. 196
  39. 152
  40. 112

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