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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 177 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.44 × 4 =
  3. 3.36 × 4 =
  4. 4.29 × 4 =
  5. 5.31 × 4 =
  6. 6.45 × 4 =
  7. 7.48 × 4 =
  8. 8.32 × 4 =
  9. 9.6 × 4 =
  10. 10.25 × 4 =
  11. 11.56 × 4 =
  12. 12.19 × 4 =
  13. 13.39 × 4 =
  14. 14.11 × 4 =
  15. 15.14 × 4 =
  16. 16.55 × 4 =
  17. 17.37 × 4 =
  18. 18.28 × 4 =
  19. 19.47 × 4 =
  20. 20.23 × 4 =
  21. 21.10 × 4 =
  22. 22.60 × 4 =
  23. 23.9 × 4 =
  24. 24.7 × 4 =
  25. 25.40 × 4 =
  26. 26.15 × 4 =
  27. 27.38 × 4 =
  28. 28.12 × 4 =
  29. 29.58 × 4 =
  30. 30.43 × 4 =
  31. 31.34 × 4 =
  32. 32.22 × 4 =
  33. 33.16 × 4 =
  34. 34.46 × 4 =
  35. 35.53 × 4 =
  36. 36.24 × 4 =
  37. 37.18 × 4 =
  38. 38.57 × 4 =
  39. 39.51 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 196
  2. 176
  3. 144
  4. 116
  5. 124
  6. 180
  7. 192
  8. 128
  9. 24
  10. 100
  11. 224
  12. 76
  13. 156
  14. 44
  15. 56
  16. 220
  17. 148
  18. 112
  19. 188
  20. 92
  21. 40
  22. 240
  23. 36
  24. 28
  25. 160
  26. 60
  27. 152
  28. 48
  29. 232
  30. 172
  31. 136
  32. 88
  33. 64
  34. 184
  35. 212
  36. 96
  37. 72
  38. 228
  39. 204
  40. 168

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