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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 163 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.28 × 4 =
  3. 3.20 × 4 =
  4. 4.7 × 4 =
  5. 5.46 × 4 =
  6. 6.6 × 4 =
  7. 7.39 × 4 =
  8. 8.38 × 4 =
  9. 9.47 × 4 =
  10. 10.12 × 4 =
  11. 11.19 × 4 =
  12. 12.26 × 4 =
  13. 13.9 × 4 =
  14. 14.56 × 4 =
  15. 15.54 × 4 =
  16. 16.44 × 4 =
  17. 17.35 × 4 =
  18. 18.60 × 4 =
  19. 19.10 × 4 =
  20. 20.55 × 4 =
  21. 21.17 × 4 =
  22. 22.29 × 4 =
  23. 23.59 × 4 =
  24. 24.42 × 4 =
  25. 25.41 × 4 =
  26. 26.48 × 4 =
  27. 27.50 × 4 =
  28. 28.25 × 4 =
  29. 29.30 × 4 =
  30. 30.51 × 4 =
  31. 31.45 × 4 =
  32. 32.53 × 4 =
  33. 33.15 × 4 =
  34. 34.22 × 4 =
  35. 35.8 × 4 =
  36. 36.52 × 4 =
  37. 37.57 × 4 =
  38. 38.14 × 4 =
  39. 39.32 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 44
  2. 112
  3. 80
  4. 28
  5. 184
  6. 24
  7. 156
  8. 152
  9. 188
  10. 48
  11. 76
  12. 104
  13. 36
  14. 224
  15. 216
  16. 176
  17. 140
  18. 240
  19. 40
  20. 220
  21. 68
  22. 116
  23. 236
  24. 168
  25. 164
  26. 192
  27. 200
  28. 100
  29. 120
  30. 204
  31. 180
  32. 212
  33. 60
  34. 88
  35. 32
  36. 208
  37. 228
  38. 56
  39. 128
  40. 148

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