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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 198 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.31 × 4 =
  3. 3.48 × 4 =
  4. 4.30 × 4 =
  5. 5.20 × 4 =
  6. 6.57 × 4 =
  7. 7.47 × 4 =
  8. 8.43 × 4 =
  9. 9.35 × 4 =
  10. 10.6 × 4 =
  11. 11.24 × 4 =
  12. 12.50 × 4 =
  13. 13.23 × 4 =
  14. 14.17 × 4 =
  15. 15.44 × 4 =
  16. 16.19 × 4 =
  17. 17.53 × 4 =
  18. 18.49 × 4 =
  19. 19.46 × 4 =
  20. 20.45 × 4 =
  21. 21.32 × 4 =
  22. 22.12 × 4 =
  23. 23.21 × 4 =
  24. 24.11 × 4 =
  25. 25.22 × 4 =
  26. 26.14 × 4 =
  27. 27.58 × 4 =
  28. 28.37 × 4 =
  29. 29.13 × 4 =
  30. 30.33 × 4 =
  31. 31.18 × 4 =
  32. 32.9 × 4 =
  33. 33.51 × 4 =
  34. 34.60 × 4 =
  35. 35.56 × 4 =
  36. 36.16 × 4 =
  37. 37.52 × 4 =
  38. 38.15 × 4 =
  39. 39.59 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 28
  2. 124
  3. 192
  4. 120
  5. 80
  6. 228
  7. 188
  8. 172
  9. 140
  10. 24
  11. 96
  12. 200
  13. 92
  14. 68
  15. 176
  16. 76
  17. 212
  18. 196
  19. 184
  20. 180
  21. 128
  22. 48
  23. 84
  24. 44
  25. 88
  26. 56
  27. 232
  28. 148
  29. 52
  30. 132
  31. 72
  32. 36
  33. 204
  34. 240
  35. 224
  36. 64
  37. 208
  38. 60
  39. 236
  40. 108

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