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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 495 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.29 × 4 =
  3. 3.36 × 4 =
  4. 4.52 × 4 =
  5. 5.18 × 4 =
  6. 6.58 × 4 =
  7. 7.38 × 4 =
  8. 8.31 × 4 =
  9. 9.57 × 4 =
  10. 10.37 × 4 =
  11. 11.59 × 4 =
  12. 12.40 × 4 =
  13. 13.11 × 4 =
  14. 14.12 × 4 =
  15. 15.9 × 4 =
  16. 16.10 × 4 =
  17. 17.17 × 4 =
  18. 18.30 × 4 =
  19. 19.43 × 4 =
  20. 20.45 × 4 =
  21. 21.6 × 4 =
  22. 22.23 × 4 =
  23. 23.15 × 4 =
  24. 24.14 × 4 =
  25. 25.35 × 4 =
  26. 26.26 × 4 =
  27. 27.13 × 4 =
  28. 28.41 × 4 =
  29. 29.56 × 4 =
  30. 30.60 × 4 =
  31. 31.27 × 4 =
  32. 32.55 × 4 =
  33. 33.24 × 4 =
  34. 34.50 × 4 =
  35. 35.47 × 4 =
  36. 36.54 × 4 =
  37. 37.8 × 4 =
  38. 38.47 × 4 =
  39. 39.48 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 64
  2. 116
  3. 144
  4. 208
  5. 72
  6. 232
  7. 152
  8. 124
  9. 228
  10. 148
  11. 236
  12. 160
  13. 44
  14. 48
  15. 36
  16. 40
  17. 68
  18. 120
  19. 172
  20. 180
  21. 24
  22. 92
  23. 60
  24. 56
  25. 140
  26. 104
  27. 52
  28. 164
  29. 224
  30. 240
  31. 108
  32. 220
  33. 96
  34. 200
  35. 188
  36. 216
  37. 32
  38. 188
  39. 192
  40. 88

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