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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 577 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.22 × 4 =
  2. 2.47 × 4 =
  3. 3.21 × 4 =
  4. 4.53 × 4 =
  5. 5.42 × 4 =
  6. 6.59 × 4 =
  7. 7.16 × 4 =
  8. 8.40 × 4 =
  9. 9.36 × 4 =
  10. 10.54 × 4 =
  11. 11.19 × 4 =
  12. 12.37 × 4 =
  13. 13.13 × 4 =
  14. 14.8 × 4 =
  15. 15.24 × 4 =
  16. 16.31 × 4 =
  17. 17.12 × 4 =
  18. 18.49 × 4 =
  19. 19.41 × 4 =
  20. 20.29 × 4 =
  21. 21.20 × 4 =
  22. 22.45 × 4 =
  23. 23.58 × 4 =
  24. 24.55 × 4 =
  25. 25.28 × 4 =
  26. 26.32 × 4 =
  27. 27.57 × 4 =
  28. 28.56 × 4 =
  29. 29.38 × 4 =
  30. 30.34 × 4 =
  31. 31.15 × 4 =
  32. 32.18 × 4 =
  33. 33.44 × 4 =
  34. 34.26 × 4 =
  35. 35.9 × 4 =
  36. 36.6 × 4 =
  37. 37.48 × 4 =
  38. 38.10 × 4 =
  39. 39.7 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 88
  2. 188
  3. 84
  4. 212
  5. 168
  6. 236
  7. 64
  8. 160
  9. 144
  10. 216
  11. 76
  12. 148
  13. 52
  14. 32
  15. 96
  16. 124
  17. 48
  18. 196
  19. 164
  20. 116
  21. 80
  22. 180
  23. 232
  24. 220
  25. 112
  26. 128
  27. 228
  28. 224
  29. 152
  30. 136
  31. 60
  32. 72
  33. 176
  34. 104
  35. 36
  36. 24
  37. 192
  38. 40
  39. 28
  40. 240

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