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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 519 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.27 × 4 =
  3. 3.6 × 4 =
  4. 4.8 × 4 =
  5. 5.32 × 4 =
  6. 6.10 × 4 =
  7. 7.42 × 4 =
  8. 8.43 × 4 =
  9. 9.60 × 4 =
  10. 10.28 × 4 =
  11. 11.40 × 4 =
  12. 12.34 × 4 =
  13. 13.11 × 4 =
  14. 14.16 × 4 =
  15. 15.41 × 4 =
  16. 16.9 × 4 =
  17. 17.59 × 4 =
  18. 18.50 × 4 =
  19. 19.26 × 4 =
  20. 20.12 × 4 =
  21. 21.57 × 4 =
  22. 22.52 × 4 =
  23. 23.22 × 4 =
  24. 24.17 × 4 =
  25. 25.49 × 4 =
  26. 26.19 × 4 =
  27. 27.25 × 4 =
  28. 28.56 × 4 =
  29. 29.21 × 4 =
  30. 30.36 × 4 =
  31. 31.38 × 4 =
  32. 32.35 × 4 =
  33. 33.44 × 4 =
  34. 34.31 × 4 =
  35. 35.47 × 4 =
  36. 36.55 × 4 =
  37. 37.18 × 4 =
  38. 38.37 × 4 =
  39. 39.33 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 56
  2. 108
  3. 24
  4. 32
  5. 128
  6. 40
  7. 168
  8. 172
  9. 240
  10. 112
  11. 160
  12. 136
  13. 44
  14. 64
  15. 164
  16. 36
  17. 236
  18. 200
  19. 104
  20. 48
  21. 228
  22. 208
  23. 88
  24. 68
  25. 196
  26. 76
  27. 100
  28. 224
  29. 84
  30. 144
  31. 152
  32. 140
  33. 176
  34. 124
  35. 188
  36. 220
  37. 72
  38. 148
  39. 132
  40. 28

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