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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 453 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.10 × 4 =
  3. 3.46 × 4 =
  4. 4.37 × 4 =
  5. 5.15 × 4 =
  6. 6.11 × 4 =
  7. 7.56 × 4 =
  8. 8.17 × 4 =
  9. 9.32 × 4 =
  10. 10.40 × 4 =
  11. 11.41 × 4 =
  12. 12.8 × 4 =
  13. 13.59 × 4 =
  14. 14.20 × 4 =
  15. 15.12 × 4 =
  16. 16.48 × 4 =
  17. 17.18 × 4 =
  18. 18.36 × 4 =
  19. 19.19 × 4 =
  20. 20.16 × 4 =
  21. 21.33 × 4 =
  22. 22.30 × 4 =
  23. 23.53 × 4 =
  24. 24.9 × 4 =
  25. 25.24 × 4 =
  26. 26.58 × 4 =
  27. 27.23 × 4 =
  28. 28.47 × 4 =
  29. 29.25 × 4 =
  30. 30.21 × 4 =
  31. 31.49 × 4 =
  32. 32.38 × 4 =
  33. 33.39 × 4 =
  34. 34.57 × 4 =
  35. 35.44 × 4 =
  36. 36.31 × 4 =
  37. 37.45 × 4 =
  38. 38.55 × 4 =
  39. 39.26 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 172
  2. 40
  3. 184
  4. 148
  5. 60
  6. 44
  7. 224
  8. 68
  9. 128
  10. 160
  11. 164
  12. 32
  13. 236
  14. 80
  15. 48
  16. 192
  17. 72
  18. 144
  19. 76
  20. 64
  21. 132
  22. 120
  23. 212
  24. 36
  25. 96
  26. 232
  27. 92
  28. 188
  29. 100
  30. 84
  31. 196
  32. 152
  33. 156
  34. 228
  35. 176
  36. 124
  37. 180
  38. 220
  39. 104
  40. 52

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