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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 202 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.40 × 4 =
  3. 3.48 × 4 =
  4. 4.50 × 4 =
  5. 5.43 × 4 =
  6. 6.52 × 4 =
  7. 7.36 × 4 =
  8. 8.55 × 4 =
  9. 9.10 × 4 =
  10. 10.15 × 4 =
  11. 11.60 × 4 =
  12. 12.49 × 4 =
  13. 13.16 × 4 =
  14. 14.23 × 4 =
  15. 15.37 × 4 =
  16. 16.34 × 4 =
  17. 17.9 × 4 =
  18. 18.31 × 4 =
  19. 19.25 × 4 =
  20. 20.42 × 4 =
  21. 21.22 × 4 =
  22. 22.17 × 4 =
  23. 23.39 × 4 =
  24. 24.44 × 4 =
  25. 25.29 × 4 =
  26. 26.14 × 4 =
  27. 27.58 × 4 =
  28. 28.35 × 4 =
  29. 29.59 × 4 =
  30. 30.47 × 4 =
  31. 31.24 × 4 =
  32. 32.18 × 4 =
  33. 33.30 × 4 =
  34. 34.46 × 4 =
  35. 35.28 × 4 =
  36. 36.11 × 4 =
  37. 37.26 × 4 =
  38. 38.13 × 4 =
  39. 39.19 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 24
  2. 160
  3. 192
  4. 200
  5. 172
  6. 208
  7. 144
  8. 220
  9. 40
  10. 60
  11. 240
  12. 196
  13. 64
  14. 92
  15. 148
  16. 136
  17. 36
  18. 124
  19. 100
  20. 168
  21. 88
  22. 68
  23. 156
  24. 176
  25. 116
  26. 56
  27. 232
  28. 140
  29. 236
  30. 188
  31. 96
  32. 72
  33. 120
  34. 184
  35. 112
  36. 44
  37. 104
  38. 52
  39. 76
  40. 128

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