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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 807 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.7 × 4 =
  3. 3.42 × 4 =
  4. 4.26 × 4 =
  5. 5.54 × 4 =
  6. 6.9 × 4 =
  7. 7.38 × 4 =
  8. 8.45 × 4 =
  9. 9.51 × 4 =
  10. 10.21 × 4 =
  11. 11.17 × 4 =
  12. 12.40 × 4 =
  13. 13.49 × 4 =
  14. 14.50 × 4 =
  15. 15.13 × 4 =
  16. 16.58 × 4 =
  17. 17.43 × 4 =
  18. 18.27 × 4 =
  19. 19.8 × 4 =
  20. 20.24 × 4 =
  21. 21.16 × 4 =
  22. 22.47 × 4 =
  23. 23.23 × 4 =
  24. 24.33 × 4 =
  25. 25.39 × 4 =
  26. 26.28 × 4 =
  27. 27.41 × 4 =
  28. 28.56 × 4 =
  29. 29.22 × 4 =
  30. 30.44 × 4 =
  31. 31.30 × 4 =
  32. 32.14 × 4 =
  33. 33.35 × 4 =
  34. 34.32 × 4 =
  35. 35.53 × 4 =
  36. 36.12 × 4 =
  37. 37.57 × 4 =
  38. 38.37 × 4 =
  39. 39.6 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 220
  2. 28
  3. 168
  4. 104
  5. 216
  6. 36
  7. 152
  8. 180
  9. 204
  10. 84
  11. 68
  12. 160
  13. 196
  14. 200
  15. 52
  16. 232
  17. 172
  18. 108
  19. 32
  20. 96
  21. 64
  22. 188
  23. 92
  24. 132
  25. 156
  26. 112
  27. 164
  28. 224
  29. 88
  30. 176
  31. 120
  32. 56
  33. 140
  34. 128
  35. 212
  36. 48
  37. 228
  38. 148
  39. 24
  40. 124

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