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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 279 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.12 × 4 =
  3. 3.60 × 4 =
  4. 4.26 × 4 =
  5. 5.54 × 4 =
  6. 6.23 × 4 =
  7. 7.25 × 4 =
  8. 8.48 × 4 =
  9. 9.36 × 4 =
  10. 10.39 × 4 =
  11. 11.59 × 4 =
  12. 12.24 × 4 =
  13. 13.28 × 4 =
  14. 14.57 × 4 =
  15. 15.27 × 4 =
  16. 16.32 × 4 =
  17. 17.10 × 4 =
  18. 18.47 × 4 =
  19. 19.17 × 4 =
  20. 20.38 × 4 =
  21. 21.41 × 4 =
  22. 22.20 × 4 =
  23. 23.34 × 4 =
  24. 24.8 × 4 =
  25. 25.49 × 4 =
  26. 26.40 × 4 =
  27. 27.13 × 4 =
  28. 28.43 × 4 =
  29. 29.51 × 4 =
  30. 30.42 × 4 =
  31. 31.45 × 4 =
  32. 32.16 × 4 =
  33. 33.37 × 4 =
  34. 34.15 × 4 =
  35. 35.53 × 4 =
  36. 36.31 × 4 =
  37. 37.11 × 4 =
  38. 38.44 × 4 =
  39. 39.6 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 200
  2. 48
  3. 240
  4. 104
  5. 216
  6. 92
  7. 100
  8. 192
  9. 144
  10. 156
  11. 236
  12. 96
  13. 112
  14. 228
  15. 108
  16. 128
  17. 40
  18. 188
  19. 68
  20. 152
  21. 164
  22. 80
  23. 136
  24. 32
  25. 196
  26. 160
  27. 52
  28. 172
  29. 204
  30. 168
  31. 180
  32. 64
  33. 148
  34. 60
  35. 212
  36. 124
  37. 44
  38. 176
  39. 24
  40. 88

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