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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 253 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.38 × 4 =
  2. 2.39 × 4 =
  3. 3.59 × 4 =
  4. 4.9 × 4 =
  5. 5.17 × 4 =
  6. 6.14 × 4 =
  7. 7.27 × 4 =
  8. 8.55 × 4 =
  9. 9.24 × 4 =
  10. 10.57 × 4 =
  11. 11.54 × 4 =
  12. 12.6 × 4 =
  13. 13.25 × 4 =
  14. 14.48 × 4 =
  15. 15.58 × 4 =
  16. 16.30 × 4 =
  17. 17.21 × 4 =
  18. 18.36 × 4 =
  19. 19.13 × 4 =
  20. 20.28 × 4 =
  21. 21.37 × 4 =
  22. 22.16 × 4 =
  23. 23.52 × 4 =
  24. 24.10 × 4 =
  25. 25.33 × 4 =
  26. 26.11 × 4 =
  27. 27.12 × 4 =
  28. 28.50 × 4 =
  29. 29.34 × 4 =
  30. 30.20 × 4 =
  31. 31.32 × 4 =
  32. 32.35 × 4 =
  33. 33.43 × 4 =
  34. 34.40 × 4 =
  35. 35.23 × 4 =
  36. 36.29 × 4 =
  37. 37.56 × 4 =
  38. 38.44 × 4 =
  39. 39.8 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 152
  2. 156
  3. 236
  4. 36
  5. 68
  6. 56
  7. 108
  8. 220
  9. 96
  10. 228
  11. 216
  12. 24
  13. 100
  14. 192
  15. 232
  16. 120
  17. 84
  18. 144
  19. 52
  20. 112
  21. 148
  22. 64
  23. 208
  24. 40
  25. 132
  26. 44
  27. 48
  28. 200
  29. 136
  30. 80
  31. 128
  32. 140
  33. 172
  34. 160
  35. 92
  36. 116
  37. 224
  38. 176
  39. 32
  40. 184

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