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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 290 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.32 × 4 =
  2. 2.13 × 4 =
  3. 3.56 × 4 =
  4. 4.57 × 4 =
  5. 5.41 × 4 =
  6. 6.51 × 4 =
  7. 7.11 × 4 =
  8. 8.39 × 4 =
  9. 9.34 × 4 =
  10. 10.20 × 4 =
  11. 11.29 × 4 =
  12. 12.24 × 4 =
  13. 13.36 × 4 =
  14. 14.15 × 4 =
  15. 15.18 × 4 =
  16. 16.8 × 4 =
  17. 17.52 × 4 =
  18. 18.55 × 4 =
  19. 19.35 × 4 =
  20. 20.25 × 4 =
  21. 21.23 × 4 =
  22. 22.59 × 4 =
  23. 23.46 × 4 =
  24. 24.6 × 4 =
  25. 25.17 × 4 =
  26. 26.16 × 4 =
  27. 27.42 × 4 =
  28. 28.49 × 4 =
  29. 29.31 × 4 =
  30. 30.28 × 4 =
  31. 31.14 × 4 =
  32. 32.50 × 4 =
  33. 33.37 × 4 =
  34. 34.44 × 4 =
  35. 35.33 × 4 =
  36. 36.31 × 4 =
  37. 37.53 × 4 =
  38. 38.30 × 4 =
  39. 39.58 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 128
  2. 52
  3. 224
  4. 228
  5. 164
  6. 204
  7. 44
  8. 156
  9. 136
  10. 80
  11. 116
  12. 96
  13. 144
  14. 60
  15. 72
  16. 32
  17. 208
  18. 220
  19. 140
  20. 100
  21. 92
  22. 236
  23. 184
  24. 24
  25. 68
  26. 64
  27. 168
  28. 196
  29. 124
  30. 112
  31. 56
  32. 200
  33. 148
  34. 176
  35. 132
  36. 124
  37. 212
  38. 120
  39. 232
  40. 36

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