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Multiply by 4 Worksheet

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

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.46 × 4 =
  3. 3.17 × 4 =
  4. 4.12 × 4 =
  5. 5.36 × 4 =
  6. 6.35 × 4 =
  7. 7.25 × 4 =
  8. 8.53 × 4 =
  9. 9.15 × 4 =
  10. 10.26 × 4 =
  11. 11.7 × 4 =
  12. 12.40 × 4 =
  13. 13.31 × 4 =
  14. 14.39 × 4 =
  15. 15.55 × 4 =
  16. 16.16 × 4 =
  17. 17.50 × 4 =
  18. 18.19 × 4 =
  19. 19.30 × 4 =
  20. 20.21 × 4 =
  21. 21.29 × 4 =
  22. 22.56 × 4 =
  23. 23.8 × 4 =
  24. 24.57 × 4 =
  25. 25.59 × 4 =
  26. 26.23 × 4 =
  27. 27.47 × 4 =
  28. 28.9 × 4 =
  29. 29.49 × 4 =
  30. 30.41 × 4 =
  31. 31.51 × 4 =
  32. 32.11 × 4 =
  33. 33.52 × 4 =
  34. 34.28 × 4 =
  35. 35.45 × 4 =
  36. 36.37 × 4 =
  37. 37.20 × 4 =
  38. 38.54 × 4 =
  39. 39.13 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 176
  2. 184
  3. 68
  4. 48
  5. 144
  6. 140
  7. 100
  8. 212
  9. 60
  10. 104
  11. 28
  12. 160
  13. 124
  14. 156
  15. 220
  16. 64
  17. 200
  18. 76
  19. 120
  20. 84
  21. 116
  22. 224
  23. 32
  24. 228
  25. 236
  26. 92
  27. 188
  28. 36
  29. 196
  30. 164
  31. 204
  32. 44
  33. 208
  34. 112
  35. 180
  36. 148
  37. 80
  38. 216
  39. 52
  40. 192

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