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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 609 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.47 × 4 =
  3. 3.57 × 4 =
  4. 4.14 × 4 =
  5. 5.54 × 4 =
  6. 6.20 × 4 =
  7. 7.38 × 4 =
  8. 8.35 × 4 =
  9. 9.32 × 4 =
  10. 10.18 × 4 =
  11. 11.52 × 4 =
  12. 12.41 × 4 =
  13. 13.13 × 4 =
  14. 14.17 × 4 =
  15. 15.22 × 4 =
  16. 16.40 × 4 =
  17. 17.37 × 4 =
  18. 18.60 × 4 =
  19. 19.36 × 4 =
  20. 20.48 × 4 =
  21. 21.34 × 4 =
  22. 22.25 × 4 =
  23. 23.24 × 4 =
  24. 24.45 × 4 =
  25. 25.8 × 4 =
  26. 26.46 × 4 =
  27. 27.16 × 4 =
  28. 28.7 × 4 =
  29. 29.9 × 4 =
  30. 30.43 × 4 =
  31. 31.59 × 4 =
  32. 32.30 × 4 =
  33. 33.26 × 4 =
  34. 34.28 × 4 =
  35. 35.33 × 4 =
  36. 36.27 × 4 =
  37. 37.55 × 4 =
  38. 38.21 × 4 =
  39. 39.44 × 4 =
  40. 40.10 × 4 =

Answer key

  1. 196
  2. 188
  3. 228
  4. 56
  5. 216
  6. 80
  7. 152
  8. 140
  9. 128
  10. 72
  11. 208
  12. 164
  13. 52
  14. 68
  15. 88
  16. 160
  17. 148
  18. 240
  19. 144
  20. 192
  21. 136
  22. 100
  23. 96
  24. 180
  25. 32
  26. 184
  27. 64
  28. 28
  29. 36
  30. 172
  31. 236
  32. 120
  33. 104
  34. 112
  35. 132
  36. 108
  37. 220
  38. 84
  39. 176
  40. 40

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