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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 74 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.19 × 4 =
  3. 3.24 × 4 =
  4. 4.22 × 4 =
  5. 5.43 × 4 =
  6. 6.51 × 4 =
  7. 7.14 × 4 =
  8. 8.44 × 4 =
  9. 9.18 × 4 =
  10. 10.8 × 4 =
  11. 11.21 × 4 =
  12. 12.53 × 4 =
  13. 13.41 × 4 =
  14. 14.52 × 4 =
  15. 15.32 × 4 =
  16. 16.59 × 4 =
  17. 17.35 × 4 =
  18. 18.39 × 4 =
  19. 19.33 × 4 =
  20. 20.16 × 4 =
  21. 21.30 × 4 =
  22. 22.56 × 4 =
  23. 23.34 × 4 =
  24. 24.20 × 4 =
  25. 25.47 × 4 =
  26. 26.31 × 4 =
  27. 27.42 × 4 =
  28. 28.6 × 4 =
  29. 29.26 × 4 =
  30. 30.46 × 4 =
  31. 31.48 × 4 =
  32. 32.10 × 4 =
  33. 33.11 × 4 =
  34. 34.55 × 4 =
  35. 35.15 × 4 =
  36. 36.25 × 4 =
  37. 37.7 × 4 =
  38. 38.57 × 4 =
  39. 39.50 × 4 =
  40. 40.49 × 4 =

Answer key

  1. 216
  2. 76
  3. 96
  4. 88
  5. 172
  6. 204
  7. 56
  8. 176
  9. 72
  10. 32
  11. 84
  12. 212
  13. 164
  14. 208
  15. 128
  16. 236
  17. 140
  18. 156
  19. 132
  20. 64
  21. 120
  22. 224
  23. 136
  24. 80
  25. 188
  26. 124
  27. 168
  28. 24
  29. 104
  30. 184
  31. 192
  32. 40
  33. 44
  34. 220
  35. 60
  36. 100
  37. 28
  38. 228
  39. 200
  40. 196

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