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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 95 · 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. 2.40 × 4 =
  3. 3.26 × 4 =
  4. 4.7 × 4 =
  5. 5.55 × 4 =
  6. 6.52 × 4 =
  7. 7.14 × 4 =
  8. 8.18 × 4 =
  9. 9.22 × 4 =
  10. 10.29 × 4 =
  11. 11.56 × 4 =
  12. 12.20 × 4 =
  13. 13.31 × 4 =
  14. 14.28 × 4 =
  15. 15.30 × 4 =
  16. 16.57 × 4 =
  17. 17.48 × 4 =
  18. 18.38 × 4 =
  19. 19.42 × 4 =
  20. 20.37 × 4 =
  21. 21.46 × 4 =
  22. 22.32 × 4 =
  23. 23.49 × 4 =
  24. 24.15 × 4 =
  25. 25.34 × 4 =
  26. 26.8 × 4 =
  27. 27.35 × 4 =
  28. 28.59 × 4 =
  29. 29.13 × 4 =
  30. 30.11 × 4 =
  31. 31.25 × 4 =
  32. 32.6 × 4 =
  33. 33.27 × 4 =
  34. 34.16 × 4 =
  35. 35.12 × 4 =
  36. 36.51 × 4 =
  37. 37.9 × 4 =
  38. 38.36 × 4 =
  39. 39.45 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 172
  2. 160
  3. 104
  4. 28
  5. 220
  6. 208
  7. 56
  8. 72
  9. 88
  10. 116
  11. 224
  12. 80
  13. 124
  14. 112
  15. 120
  16. 228
  17. 192
  18. 152
  19. 168
  20. 148
  21. 184
  22. 128
  23. 196
  24. 60
  25. 136
  26. 32
  27. 140
  28. 236
  29. 52
  30. 44
  31. 100
  32. 24
  33. 108
  34. 64
  35. 48
  36. 204
  37. 36
  38. 144
  39. 180
  40. 68

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