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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 527 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.15 × 4 =
  2. 2.47 × 4 =
  3. 3.29 × 4 =
  4. 4.41 × 4 =
  5. 5.44 × 4 =
  6. 6.14 × 4 =
  7. 7.20 × 4 =
  8. 8.57 × 4 =
  9. 9.55 × 4 =
  10. 10.43 × 4 =
  11. 11.11 × 4 =
  12. 12.48 × 4 =
  13. 13.21 × 4 =
  14. 14.28 × 4 =
  15. 15.60 × 4 =
  16. 16.23 × 4 =
  17. 17.34 × 4 =
  18. 18.31 × 4 =
  19. 19.19 × 4 =
  20. 20.58 × 4 =
  21. 21.52 × 4 =
  22. 22.56 × 4 =
  23. 23.24 × 4 =
  24. 24.39 × 4 =
  25. 25.17 × 4 =
  26. 26.45 × 4 =
  27. 27.33 × 4 =
  28. 28.35 × 4 =
  29. 29.53 × 4 =
  30. 30.25 × 4 =
  31. 31.38 × 4 =
  32. 32.54 × 4 =
  33. 33.50 × 4 =
  34. 34.18 × 4 =
  35. 35.49 × 4 =
  36. 36.22 × 4 =
  37. 37.9 × 4 =
  38. 38.40 × 4 =
  39. 39.42 × 4 =
  40. 40.13 × 4 =

Answer key

  1. 60
  2. 188
  3. 116
  4. 164
  5. 176
  6. 56
  7. 80
  8. 228
  9. 220
  10. 172
  11. 44
  12. 192
  13. 84
  14. 112
  15. 240
  16. 92
  17. 136
  18. 124
  19. 76
  20. 232
  21. 208
  22. 224
  23. 96
  24. 156
  25. 68
  26. 180
  27. 132
  28. 140
  29. 212
  30. 100
  31. 152
  32. 216
  33. 200
  34. 72
  35. 196
  36. 88
  37. 36
  38. 160
  39. 168
  40. 52

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