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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 29 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.58 × 4 =
  3. 3.31 × 4 =
  4. 4.35 × 4 =
  5. 5.16 × 4 =
  6. 6.34 × 4 =
  7. 7.11 × 4 =
  8. 8.57 × 4 =
  9. 9.15 × 4 =
  10. 10.10 × 4 =
  11. 11.52 × 4 =
  12. 12.26 × 4 =
  13. 13.36 × 4 =
  14. 14.20 × 4 =
  15. 15.54 × 4 =
  16. 16.55 × 4 =
  17. 17.51 × 4 =
  18. 18.14 × 4 =
  19. 19.12 × 4 =
  20. 20.43 × 4 =
  21. 21.27 × 4 =
  22. 22.59 × 4 =
  23. 23.56 × 4 =
  24. 24.44 × 4 =
  25. 25.40 × 4 =
  26. 26.8 × 4 =
  27. 27.48 × 4 =
  28. 28.47 × 4 =
  29. 29.6 × 4 =
  30. 30.28 × 4 =
  31. 31.29 × 4 =
  32. 32.25 × 4 =
  33. 33.42 × 4 =
  34. 34.23 × 4 =
  35. 35.49 × 4 =
  36. 36.38 × 4 =
  37. 37.30 × 4 =
  38. 38.24 × 4 =
  39. 39.39 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 68
  2. 232
  3. 124
  4. 140
  5. 64
  6. 136
  7. 44
  8. 228
  9. 60
  10. 40
  11. 208
  12. 104
  13. 144
  14. 80
  15. 216
  16. 220
  17. 204
  18. 56
  19. 48
  20. 172
  21. 108
  22. 236
  23. 224
  24. 176
  25. 160
  26. 32
  27. 192
  28. 188
  29. 24
  30. 112
  31. 116
  32. 100
  33. 168
  34. 92
  35. 196
  36. 152
  37. 120
  38. 96
  39. 156
  40. 28

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