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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 194 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.13 × 4 =
  2. 2.42 × 4 =
  3. 3.6 × 4 =
  4. 4.9 × 4 =
  5. 5.19 × 4 =
  6. 6.51 × 4 =
  7. 7.43 × 4 =
  8. 8.16 × 4 =
  9. 9.37 × 4 =
  10. 10.27 × 4 =
  11. 11.20 × 4 =
  12. 12.36 × 4 =
  13. 13.57 × 4 =
  14. 14.18 × 4 =
  15. 15.11 × 4 =
  16. 16.26 × 4 =
  17. 17.22 × 4 =
  18. 18.24 × 4 =
  19. 19.44 × 4 =
  20. 20.12 × 4 =
  21. 21.53 × 4 =
  22. 22.40 × 4 =
  23. 23.30 × 4 =
  24. 24.7 × 4 =
  25. 25.55 × 4 =
  26. 26.45 × 4 =
  27. 27.15 × 4 =
  28. 28.33 × 4 =
  29. 29.32 × 4 =
  30. 30.60 × 4 =
  31. 31.8 × 4 =
  32. 32.31 × 4 =
  33. 33.29 × 4 =
  34. 34.54 × 4 =
  35. 35.56 × 4 =
  36. 36.23 × 4 =
  37. 37.41 × 4 =
  38. 38.14 × 4 =
  39. 39.47 × 4 =
  40. 40.38 × 4 =

Answer key

  1. 52
  2. 168
  3. 24
  4. 36
  5. 76
  6. 204
  7. 172
  8. 64
  9. 148
  10. 108
  11. 80
  12. 144
  13. 228
  14. 72
  15. 44
  16. 104
  17. 88
  18. 96
  19. 176
  20. 48
  21. 212
  22. 160
  23. 120
  24. 28
  25. 220
  26. 180
  27. 60
  28. 132
  29. 128
  30. 240
  31. 32
  32. 124
  33. 116
  34. 216
  35. 224
  36. 92
  37. 164
  38. 56
  39. 188
  40. 152

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