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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 719 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.17 × 4 =
  3. 3.40 × 4 =
  4. 4.52 × 4 =
  5. 5.42 × 4 =
  6. 6.58 × 4 =
  7. 7.21 × 4 =
  8. 8.14 × 4 =
  9. 9.18 × 4 =
  10. 10.48 × 4 =
  11. 11.43 × 4 =
  12. 12.20 × 4 =
  13. 13.23 × 4 =
  14. 14.29 × 4 =
  15. 15.57 × 4 =
  16. 16.32 × 4 =
  17. 17.50 × 4 =
  18. 18.55 × 4 =
  19. 19.8 × 4 =
  20. 20.49 × 4 =
  21. 21.22 × 4 =
  22. 22.53 × 4 =
  23. 23.37 × 4 =
  24. 24.39 × 4 =
  25. 25.30 × 4 =
  26. 26.35 × 4 =
  27. 27.16 × 4 =
  28. 28.25 × 4 =
  29. 29.6 × 4 =
  30. 30.54 × 4 =
  31. 31.51 × 4 =
  32. 32.11 × 4 =
  33. 33.45 × 4 =
  34. 34.56 × 4 =
  35. 35.59 × 4 =
  36. 36.33 × 4 =
  37. 37.60 × 4 =
  38. 38.47 × 4 =
  39. 39.31 × 4 =
  40. 40.12 × 4 =

Answer key

  1. 184
  2. 68
  3. 160
  4. 208
  5. 168
  6. 232
  7. 84
  8. 56
  9. 72
  10. 192
  11. 172
  12. 80
  13. 92
  14. 116
  15. 228
  16. 128
  17. 200
  18. 220
  19. 32
  20. 196
  21. 88
  22. 212
  23. 148
  24. 156
  25. 120
  26. 140
  27. 64
  28. 100
  29. 24
  30. 216
  31. 204
  32. 44
  33. 180
  34. 224
  35. 236
  36. 132
  37. 240
  38. 188
  39. 124
  40. 48

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