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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 181 · 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. 2.20 × 4 =
  3. 3.35 × 4 =
  4. 4.19 × 4 =
  5. 5.12 × 4 =
  6. 6.7 × 4 =
  7. 7.18 × 4 =
  8. 8.47 × 4 =
  9. 9.41 × 4 =
  10. 10.43 × 4 =
  11. 11.17 × 4 =
  12. 12.11 × 4 =
  13. 13.6 × 4 =
  14. 14.21 × 4 =
  15. 15.29 × 4 =
  16. 16.50 × 4 =
  17. 17.10 × 4 =
  18. 18.38 × 4 =
  19. 19.45 × 4 =
  20. 20.52 × 4 =
  21. 21.55 × 4 =
  22. 22.42 × 4 =
  23. 23.9 × 4 =
  24. 24.37 × 4 =
  25. 25.54 × 4 =
  26. 26.16 × 4 =
  27. 27.44 × 4 =
  28. 28.39 × 4 =
  29. 29.56 × 4 =
  30. 30.59 × 4 =
  31. 31.57 × 4 =
  32. 32.46 × 4 =
  33. 33.22 × 4 =
  34. 34.8 × 4 =
  35. 35.26 × 4 =
  36. 36.13 × 4 =
  37. 37.40 × 4 =
  38. 38.32 × 4 =
  39. 39.58 × 4 =
  40. 40.30 × 4 =

Answer key

  1. 60
  2. 80
  3. 140
  4. 76
  5. 48
  6. 28
  7. 72
  8. 188
  9. 164
  10. 172
  11. 68
  12. 44
  13. 24
  14. 84
  15. 116
  16. 200
  17. 40
  18. 152
  19. 180
  20. 208
  21. 220
  22. 168
  23. 36
  24. 148
  25. 216
  26. 64
  27. 176
  28. 156
  29. 224
  30. 236
  31. 228
  32. 184
  33. 88
  34. 32
  35. 104
  36. 52
  37. 160
  38. 128
  39. 232
  40. 120

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