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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 602 · 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. 2.59 × 4 =
  3. 3.53 × 4 =
  4. 4.43 × 4 =
  5. 5.28 × 4 =
  6. 6.37 × 4 =
  7. 7.16 × 4 =
  8. 8.58 × 4 =
  9. 9.46 × 4 =
  10. 10.10 × 4 =
  11. 11.23 × 4 =
  12. 12.19 × 4 =
  13. 13.12 × 4 =
  14. 14.27 × 4 =
  15. 15.7 × 4 =
  16. 16.44 × 4 =
  17. 17.14 × 4 =
  18. 18.57 × 4 =
  19. 19.20 × 4 =
  20. 20.17 × 4 =
  21. 21.9 × 4 =
  22. 22.55 × 4 =
  23. 23.33 × 4 =
  24. 24.34 × 4 =
  25. 25.25 × 4 =
  26. 26.60 × 4 =
  27. 27.36 × 4 =
  28. 28.29 × 4 =
  29. 29.42 × 4 =
  30. 30.26 × 4 =
  31. 31.11 × 4 =
  32. 32.41 × 4 =
  33. 33.54 × 4 =
  34. 34.49 × 4 =
  35. 35.38 × 4 =
  36. 36.13 × 4 =
  37. 37.45 × 4 =
  38. 38.56 × 4 =
  39. 39.50 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 208
  2. 236
  3. 212
  4. 172
  5. 112
  6. 148
  7. 64
  8. 232
  9. 184
  10. 40
  11. 92
  12. 76
  13. 48
  14. 108
  15. 28
  16. 176
  17. 56
  18. 228
  19. 80
  20. 68
  21. 36
  22. 220
  23. 132
  24. 136
  25. 100
  26. 240
  27. 144
  28. 116
  29. 168
  30. 104
  31. 44
  32. 164
  33. 216
  34. 196
  35. 152
  36. 52
  37. 180
  38. 224
  39. 200
  40. 120

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