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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 617 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.20 × 4 =
  3. 3.55 × 4 =
  4. 4.31 × 4 =
  5. 5.39 × 4 =
  6. 6.42 × 4 =
  7. 7.37 × 4 =
  8. 8.18 × 4 =
  9. 9.58 × 4 =
  10. 10.59 × 4 =
  11. 11.6 × 4 =
  12. 12.48 × 4 =
  13. 13.19 × 4 =
  14. 14.8 × 4 =
  15. 15.10 × 4 =
  16. 16.22 × 4 =
  17. 17.15 × 4 =
  18. 18.21 × 4 =
  19. 19.50 × 4 =
  20. 20.17 × 4 =
  21. 21.34 × 4 =
  22. 22.29 × 4 =
  23. 23.36 × 4 =
  24. 24.30 × 4 =
  25. 25.49 × 4 =
  26. 26.26 × 4 =
  27. 27.57 × 4 =
  28. 28.43 × 4 =
  29. 29.45 × 4 =
  30. 30.13 × 4 =
  31. 31.60 × 4 =
  32. 32.16 × 4 =
  33. 33.52 × 4 =
  34. 34.25 × 4 =
  35. 35.40 × 4 =
  36. 36.41 × 4 =
  37. 37.44 × 4 =
  38. 38.38 × 4 =
  39. 39.12 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 188
  2. 80
  3. 220
  4. 124
  5. 156
  6. 168
  7. 148
  8. 72
  9. 232
  10. 236
  11. 24
  12. 192
  13. 76
  14. 32
  15. 40
  16. 88
  17. 60
  18. 84
  19. 200
  20. 68
  21. 136
  22. 116
  23. 144
  24. 120
  25. 196
  26. 104
  27. 228
  28. 172
  29. 180
  30. 52
  31. 240
  32. 64
  33. 208
  34. 100
  35. 160
  36. 164
  37. 176
  38. 152
  39. 48
  40. 36

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