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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 387 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.10 × 4 =
  3. 3.44 × 4 =
  4. 4.30 × 4 =
  5. 5.19 × 4 =
  6. 6.13 × 4 =
  7. 7.38 × 4 =
  8. 8.47 × 4 =
  9. 9.18 × 4 =
  10. 10.46 × 4 =
  11. 11.48 × 4 =
  12. 12.45 × 4 =
  13. 13.8 × 4 =
  14. 14.21 × 4 =
  15. 15.43 × 4 =
  16. 16.56 × 4 =
  17. 17.41 × 4 =
  18. 18.33 × 4 =
  19. 19.57 × 4 =
  20. 20.55 × 4 =
  21. 21.37 × 4 =
  22. 22.42 × 4 =
  23. 23.26 × 4 =
  24. 24.50 × 4 =
  25. 25.34 × 4 =
  26. 26.17 × 4 =
  27. 27.40 × 4 =
  28. 28.58 × 4 =
  29. 29.9 × 4 =
  30. 30.60 × 4 =
  31. 31.52 × 4 =
  32. 32.35 × 4 =
  33. 33.59 × 4 =
  34. 34.27 × 4 =
  35. 35.12 × 4 =
  36. 36.36 × 4 =
  37. 37.7 × 4 =
  38. 38.6 × 4 =
  39. 39.54 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 56
  2. 40
  3. 176
  4. 120
  5. 76
  6. 52
  7. 152
  8. 188
  9. 72
  10. 184
  11. 192
  12. 180
  13. 32
  14. 84
  15. 172
  16. 224
  17. 164
  18. 132
  19. 228
  20. 220
  21. 148
  22. 168
  23. 104
  24. 200
  25. 136
  26. 68
  27. 160
  28. 232
  29. 36
  30. 240
  31. 208
  32. 140
  33. 236
  34. 108
  35. 48
  36. 144
  37. 28
  38. 24
  39. 216
  40. 204

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