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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 608 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.37 × 4 =
  3. 3.47 × 4 =
  4. 4.14 × 4 =
  5. 5.15 × 4 =
  6. 6.7 × 4 =
  7. 7.34 × 4 =
  8. 8.25 × 4 =
  9. 9.48 × 4 =
  10. 10.45 × 4 =
  11. 11.52 × 4 =
  12. 12.55 × 4 =
  13. 13.12 × 4 =
  14. 14.54 × 4 =
  15. 15.11 × 4 =
  16. 16.46 × 4 =
  17. 17.18 × 4 =
  18. 18.42 × 4 =
  19. 19.20 × 4 =
  20. 20.36 × 4 =
  21. 21.9 × 4 =
  22. 22.40 × 4 =
  23. 23.38 × 4 =
  24. 24.35 × 4 =
  25. 25.21 × 4 =
  26. 26.28 × 4 =
  27. 27.49 × 4 =
  28. 28.58 × 4 =
  29. 29.19 × 4 =
  30. 30.32 × 4 =
  31. 31.10 × 4 =
  32. 32.30 × 4 =
  33. 33.41 × 4 =
  34. 34.23 × 4 =
  35. 35.53 × 4 =
  36. 36.39 × 4 =
  37. 37.51 × 4 =
  38. 38.57 × 4 =
  39. 39.8 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 172
  2. 148
  3. 188
  4. 56
  5. 60
  6. 28
  7. 136
  8. 100
  9. 192
  10. 180
  11. 208
  12. 220
  13. 48
  14. 216
  15. 44
  16. 184
  17. 72
  18. 168
  19. 80
  20. 144
  21. 36
  22. 160
  23. 152
  24. 140
  25. 84
  26. 112
  27. 196
  28. 232
  29. 76
  30. 128
  31. 40
  32. 120
  33. 164
  34. 92
  35. 212
  36. 156
  37. 204
  38. 228
  39. 32
  40. 236

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