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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 161 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.7 × 4 =
  3. 3.34 × 4 =
  4. 4.55 × 4 =
  5. 5.31 × 4 =
  6. 6.36 × 4 =
  7. 7.21 × 4 =
  8. 8.32 × 4 =
  9. 9.8 × 4 =
  10. 10.6 × 4 =
  11. 11.9 × 4 =
  12. 12.16 × 4 =
  13. 13.17 × 4 =
  14. 14.37 × 4 =
  15. 15.14 × 4 =
  16. 16.52 × 4 =
  17. 17.20 × 4 =
  18. 18.53 × 4 =
  19. 19.13 × 4 =
  20. 20.49 × 4 =
  21. 21.58 × 4 =
  22. 22.56 × 4 =
  23. 23.11 × 4 =
  24. 24.26 × 4 =
  25. 25.23 × 4 =
  26. 26.25 × 4 =
  27. 27.41 × 4 =
  28. 28.47 × 4 =
  29. 29.46 × 4 =
  30. 30.18 × 4 =
  31. 31.40 × 4 =
  32. 32.54 × 4 =
  33. 33.43 × 4 =
  34. 34.50 × 4 =
  35. 35.22 × 4 =
  36. 36.51 × 4 =
  37. 37.12 × 4 =
  38. 38.35 × 4 =
  39. 39.15 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 192
  2. 28
  3. 136
  4. 220
  5. 124
  6. 144
  7. 84
  8. 128
  9. 32
  10. 24
  11. 36
  12. 64
  13. 68
  14. 148
  15. 56
  16. 208
  17. 80
  18. 212
  19. 52
  20. 196
  21. 232
  22. 224
  23. 44
  24. 104
  25. 92
  26. 100
  27. 164
  28. 188
  29. 184
  30. 72
  31. 160
  32. 216
  33. 172
  34. 200
  35. 88
  36. 204
  37. 48
  38. 140
  39. 60
  40. 240

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