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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 388 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.50 × 4 =
  3. 3.21 × 4 =
  4. 4.42 × 4 =
  5. 5.37 × 4 =
  6. 6.53 × 4 =
  7. 7.51 × 4 =
  8. 8.22 × 4 =
  9. 9.55 × 4 =
  10. 10.17 × 4 =
  11. 11.39 × 4 =
  12. 12.19 × 4 =
  13. 13.16 × 4 =
  14. 14.43 × 4 =
  15. 15.9 × 4 =
  16. 16.13 × 4 =
  17. 17.20 × 4 =
  18. 18.11 × 4 =
  19. 19.56 × 4 =
  20. 20.40 × 4 =
  21. 21.54 × 4 =
  22. 22.35 × 4 =
  23. 23.36 × 4 =
  24. 24.28 × 4 =
  25. 25.30 × 4 =
  26. 26.8 × 4 =
  27. 27.26 × 4 =
  28. 28.10 × 4 =
  29. 29.7 × 4 =
  30. 30.48 × 4 =
  31. 31.45 × 4 =
  32. 32.49 × 4 =
  33. 33.47 × 4 =
  34. 34.6 × 4 =
  35. 35.57 × 4 =
  36. 36.34 × 4 =
  37. 37.12 × 4 =
  38. 38.25 × 4 =
  39. 39.32 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 208
  2. 200
  3. 84
  4. 168
  5. 148
  6. 212
  7. 204
  8. 88
  9. 220
  10. 68
  11. 156
  12. 76
  13. 64
  14. 172
  15. 36
  16. 52
  17. 80
  18. 44
  19. 224
  20. 160
  21. 216
  22. 140
  23. 144
  24. 112
  25. 120
  26. 32
  27. 104
  28. 40
  29. 28
  30. 192
  31. 180
  32. 196
  33. 188
  34. 24
  35. 228
  36. 136
  37. 48
  38. 100
  39. 128
  40. 124

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