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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 278 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.33 × 4 =
  2. 2.20 × 4 =
  3. 3.46 × 4 =
  4. 4.18 × 4 =
  5. 5.28 × 4 =
  6. 6.17 × 4 =
  7. 7.42 × 4 =
  8. 8.19 × 4 =
  9. 9.41 × 4 =
  10. 10.22 × 4 =
  11. 11.38 × 4 =
  12. 12.13 × 4 =
  13. 13.23 × 4 =
  14. 14.44 × 4 =
  15. 15.49 × 4 =
  16. 16.12 × 4 =
  17. 17.56 × 4 =
  18. 18.51 × 4 =
  19. 19.47 × 4 =
  20. 20.50 × 4 =
  21. 21.37 × 4 =
  22. 22.6 × 4 =
  23. 23.40 × 4 =
  24. 24.52 × 4 =
  25. 25.7 × 4 =
  26. 26.55 × 4 =
  27. 27.48 × 4 =
  28. 28.26 × 4 =
  29. 29.21 × 4 =
  30. 30.53 × 4 =
  31. 31.39 × 4 =
  32. 32.8 × 4 =
  33. 33.54 × 4 =
  34. 34.9 × 4 =
  35. 35.16 × 4 =
  36. 36.31 × 4 =
  37. 37.57 × 4 =
  38. 38.30 × 4 =
  39. 39.25 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 132
  2. 80
  3. 184
  4. 72
  5. 112
  6. 68
  7. 168
  8. 76
  9. 164
  10. 88
  11. 152
  12. 52
  13. 92
  14. 176
  15. 196
  16. 48
  17. 224
  18. 204
  19. 188
  20. 200
  21. 148
  22. 24
  23. 160
  24. 208
  25. 28
  26. 220
  27. 192
  28. 104
  29. 84
  30. 212
  31. 156
  32. 32
  33. 216
  34. 36
  35. 64
  36. 124
  37. 228
  38. 120
  39. 100
  40. 96

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