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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 24 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.57 × 4 =
  3. 3.41 × 4 =
  4. 4.9 × 4 =
  5. 5.59 × 4 =
  6. 6.48 × 4 =
  7. 7.21 × 4 =
  8. 8.27 × 4 =
  9. 9.38 × 4 =
  10. 10.51 × 4 =
  11. 11.37 × 4 =
  12. 12.45 × 4 =
  13. 13.19 × 4 =
  14. 14.47 × 4 =
  15. 15.53 × 4 =
  16. 16.49 × 4 =
  17. 17.10 × 4 =
  18. 18.56 × 4 =
  19. 19.60 × 4 =
  20. 20.54 × 4 =
  21. 21.44 × 4 =
  22. 22.17 × 4 =
  23. 23.25 × 4 =
  24. 24.40 × 4 =
  25. 25.22 × 4 =
  26. 26.43 × 4 =
  27. 27.16 × 4 =
  28. 28.46 × 4 =
  29. 29.23 × 4 =
  30. 30.7 × 4 =
  31. 31.24 × 4 =
  32. 32.39 × 4 =
  33. 33.55 × 4 =
  34. 34.58 × 4 =
  35. 35.50 × 4 =
  36. 36.31 × 4 =
  37. 37.28 × 4 =
  38. 38.15 × 4 =
  39. 39.20 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 24
  2. 228
  3. 164
  4. 36
  5. 236
  6. 192
  7. 84
  8. 108
  9. 152
  10. 204
  11. 148
  12. 180
  13. 76
  14. 188
  15. 212
  16. 196
  17. 40
  18. 224
  19. 240
  20. 216
  21. 176
  22. 68
  23. 100
  24. 160
  25. 88
  26. 172
  27. 64
  28. 184
  29. 92
  30. 28
  31. 96
  32. 156
  33. 220
  34. 232
  35. 200
  36. 124
  37. 112
  38. 60
  39. 80
  40. 52

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