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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 701 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.32 × 4 =
  3. 3.23 × 4 =
  4. 4.8 × 4 =
  5. 5.26 × 4 =
  6. 6.20 × 4 =
  7. 7.50 × 4 =
  8. 8.52 × 4 =
  9. 9.57 × 4 =
  10. 10.37 × 4 =
  11. 11.25 × 4 =
  12. 12.9 × 4 =
  13. 13.11 × 4 =
  14. 14.12 × 4 =
  15. 15.34 × 4 =
  16. 16.31 × 4 =
  17. 17.51 × 4 =
  18. 18.49 × 4 =
  19. 19.14 × 4 =
  20. 20.47 × 4 =
  21. 21.27 × 4 =
  22. 22.10 × 4 =
  23. 23.55 × 4 =
  24. 24.59 × 4 =
  25. 25.53 × 4 =
  26. 26.29 × 4 =
  27. 27.21 × 4 =
  28. 28.43 × 4 =
  29. 29.7 × 4 =
  30. 30.35 × 4 =
  31. 31.18 × 4 =
  32. 32.42 × 4 =
  33. 33.28 × 4 =
  34. 34.60 × 4 =
  35. 35.33 × 4 =
  36. 36.16 × 4 =
  37. 37.36 × 4 =
  38. 38.17 × 4 =
  39. 39.40 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 24
  2. 128
  3. 92
  4. 32
  5. 104
  6. 80
  7. 200
  8. 208
  9. 228
  10. 148
  11. 100
  12. 36
  13. 44
  14. 48
  15. 136
  16. 124
  17. 204
  18. 196
  19. 56
  20. 188
  21. 108
  22. 40
  23. 220
  24. 236
  25. 212
  26. 116
  27. 84
  28. 172
  29. 28
  30. 140
  31. 72
  32. 168
  33. 112
  34. 240
  35. 132
  36. 64
  37. 144
  38. 68
  39. 160
  40. 60

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