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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 169 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.14 × 4 =
  3. 3.25 × 4 =
  4. 4.53 × 4 =
  5. 5.58 × 4 =
  6. 6.27 × 4 =
  7. 7.40 × 4 =
  8. 8.26 × 4 =
  9. 9.47 × 4 =
  10. 10.57 × 4 =
  11. 11.33 × 4 =
  12. 12.56 × 4 =
  13. 13.22 × 4 =
  14. 14.37 × 4 =
  15. 15.7 × 4 =
  16. 16.16 × 4 =
  17. 17.12 × 4 =
  18. 18.13 × 4 =
  19. 19.6 × 4 =
  20. 20.48 × 4 =
  21. 21.54 × 4 =
  22. 22.60 × 4 =
  23. 23.35 × 4 =
  24. 24.36 × 4 =
  25. 25.43 × 4 =
  26. 26.59 × 4 =
  27. 27.38 × 4 =
  28. 28.8 × 4 =
  29. 29.51 × 4 =
  30. 30.11 × 4 =
  31. 31.42 × 4 =
  32. 32.30 × 4 =
  33. 33.18 × 4 =
  34. 34.15 × 4 =
  35. 35.50 × 4 =
  36. 36.55 × 4 =
  37. 37.21 × 4 =
  38. 38.24 × 4 =
  39. 39.28 × 4 =
  40. 40.29 × 4 =

Answer key

  1. 208
  2. 56
  3. 100
  4. 212
  5. 232
  6. 108
  7. 160
  8. 104
  9. 188
  10. 228
  11. 132
  12. 224
  13. 88
  14. 148
  15. 28
  16. 64
  17. 48
  18. 52
  19. 24
  20. 192
  21. 216
  22. 240
  23. 140
  24. 144
  25. 172
  26. 236
  27. 152
  28. 32
  29. 204
  30. 44
  31. 168
  32. 120
  33. 72
  34. 60
  35. 200
  36. 220
  37. 84
  38. 96
  39. 112
  40. 116

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