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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 805 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.8 × 4 =
  3. 3.9 × 4 =
  4. 4.58 × 4 =
  5. 5.6 × 4 =
  6. 6.35 × 4 =
  7. 7.41 × 4 =
  8. 8.11 × 4 =
  9. 9.14 × 4 =
  10. 10.49 × 4 =
  11. 11.48 × 4 =
  12. 12.20 × 4 =
  13. 13.13 × 4 =
  14. 14.42 × 4 =
  15. 15.33 × 4 =
  16. 16.17 × 4 =
  17. 17.55 × 4 =
  18. 18.54 × 4 =
  19. 19.34 × 4 =
  20. 20.40 × 4 =
  21. 21.22 × 4 =
  22. 22.23 × 4 =
  23. 23.15 × 4 =
  24. 24.21 × 4 =
  25. 25.45 × 4 =
  26. 26.26 × 4 =
  27. 27.37 × 4 =
  28. 28.39 × 4 =
  29. 29.32 × 4 =
  30. 30.50 × 4 =
  31. 31.7 × 4 =
  32. 32.25 × 4 =
  33. 33.29 × 4 =
  34. 34.51 × 4 =
  35. 35.18 × 4 =
  36. 36.57 × 4 =
  37. 37.12 × 4 =
  38. 38.56 × 4 =
  39. 39.28 × 4 =
  40. 40.52 × 4 =

Answer key

  1. 64
  2. 32
  3. 36
  4. 232
  5. 24
  6. 140
  7. 164
  8. 44
  9. 56
  10. 196
  11. 192
  12. 80
  13. 52
  14. 168
  15. 132
  16. 68
  17. 220
  18. 216
  19. 136
  20. 160
  21. 88
  22. 92
  23. 60
  24. 84
  25. 180
  26. 104
  27. 148
  28. 156
  29. 128
  30. 200
  31. 28
  32. 100
  33. 116
  34. 204
  35. 72
  36. 228
  37. 48
  38. 224
  39. 112
  40. 208

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