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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 381 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.37 × 4 =
  3. 3.27 × 4 =
  4. 4.53 × 4 =
  5. 5.58 × 4 =
  6. 6.13 × 4 =
  7. 7.40 × 4 =
  8. 8.30 × 4 =
  9. 9.12 × 4 =
  10. 10.47 × 4 =
  11. 11.14 × 4 =
  12. 12.60 × 4 =
  13. 13.52 × 4 =
  14. 14.41 × 4 =
  15. 15.20 × 4 =
  16. 16.28 × 4 =
  17. 17.48 × 4 =
  18. 18.50 × 4 =
  19. 19.36 × 4 =
  20. 20.17 × 4 =
  21. 21.35 × 4 =
  22. 22.10 × 4 =
  23. 23.34 × 4 =
  24. 24.9 × 4 =
  25. 25.31 × 4 =
  26. 26.7 × 4 =
  27. 27.56 × 4 =
  28. 28.25 × 4 =
  29. 29.38 × 4 =
  30. 30.15 × 4 =
  31. 31.45 × 4 =
  32. 32.23 × 4 =
  33. 33.54 × 4 =
  34. 34.16 × 4 =
  35. 35.33 × 4 =
  36. 36.19 × 4 =
  37. 37.26 × 4 =
  38. 38.24 × 4 =
  39. 39.57 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 176
  2. 148
  3. 108
  4. 212
  5. 232
  6. 52
  7. 160
  8. 120
  9. 48
  10. 188
  11. 56
  12. 240
  13. 208
  14. 164
  15. 80
  16. 112
  17. 192
  18. 200
  19. 144
  20. 68
  21. 140
  22. 40
  23. 136
  24. 36
  25. 124
  26. 28
  27. 224
  28. 100
  29. 152
  30. 60
  31. 180
  32. 92
  33. 216
  34. 64
  35. 132
  36. 76
  37. 104
  38. 96
  39. 228
  40. 220

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