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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 173 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.20 × 4 =
  2. 2.54 × 4 =
  3. 3.34 × 4 =
  4. 4.19 × 4 =
  5. 5.29 × 4 =
  6. 6.27 × 4 =
  7. 7.8 × 4 =
  8. 8.32 × 4 =
  9. 9.57 × 4 =
  10. 10.7 × 4 =
  11. 11.53 × 4 =
  12. 12.45 × 4 =
  13. 13.37 × 4 =
  14. 14.48 × 4 =
  15. 15.41 × 4 =
  16. 16.17 × 4 =
  17. 17.60 × 4 =
  18. 18.12 × 4 =
  19. 19.51 × 4 =
  20. 20.39 × 4 =
  21. 21.21 × 4 =
  22. 22.9 × 4 =
  23. 23.14 × 4 =
  24. 24.35 × 4 =
  25. 25.30 × 4 =
  26. 26.36 × 4 =
  27. 27.42 × 4 =
  28. 28.40 × 4 =
  29. 29.38 × 4 =
  30. 30.44 × 4 =
  31. 31.16 × 4 =
  32. 32.23 × 4 =
  33. 33.6 × 4 =
  34. 34.11 × 4 =
  35. 35.52 × 4 =
  36. 36.58 × 4 =
  37. 37.59 × 4 =
  38. 38.47 × 4 =
  39. 39.10 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 80
  2. 216
  3. 136
  4. 76
  5. 116
  6. 108
  7. 32
  8. 128
  9. 228
  10. 28
  11. 212
  12. 180
  13. 148
  14. 192
  15. 164
  16. 68
  17. 240
  18. 48
  19. 204
  20. 156
  21. 84
  22. 36
  23. 56
  24. 140
  25. 120
  26. 144
  27. 168
  28. 160
  29. 152
  30. 176
  31. 64
  32. 92
  33. 24
  34. 44
  35. 208
  36. 232
  37. 236
  38. 188
  39. 40
  40. 124

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