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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 367 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.30 × 4 =
  3. 3.26 × 4 =
  4. 4.56 × 4 =
  5. 5.40 × 4 =
  6. 6.29 × 4 =
  7. 7.54 × 4 =
  8. 8.19 × 4 =
  9. 9.45 × 4 =
  10. 10.12 × 4 =
  11. 11.49 × 4 =
  12. 12.23 × 4 =
  13. 13.22 × 4 =
  14. 14.28 × 4 =
  15. 15.7 × 4 =
  16. 16.35 × 4 =
  17. 17.60 × 4 =
  18. 18.32 × 4 =
  19. 19.17 × 4 =
  20. 20.46 × 4 =
  21. 21.57 × 4 =
  22. 22.48 × 4 =
  23. 23.41 × 4 =
  24. 24.37 × 4 =
  25. 25.21 × 4 =
  26. 26.38 × 4 =
  27. 27.25 × 4 =
  28. 28.33 × 4 =
  29. 29.16 × 4 =
  30. 30.10 × 4 =
  31. 31.44 × 4 =
  32. 32.20 × 4 =
  33. 33.27 × 4 =
  34. 34.43 × 4 =
  35. 35.31 × 4 =
  36. 36.53 × 4 =
  37. 37.55 × 4 =
  38. 38.59 × 4 =
  39. 39.52 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 24
  2. 120
  3. 104
  4. 224
  5. 160
  6. 116
  7. 216
  8. 76
  9. 180
  10. 48
  11. 196
  12. 92
  13. 88
  14. 112
  15. 28
  16. 140
  17. 240
  18. 128
  19. 68
  20. 184
  21. 228
  22. 192
  23. 164
  24. 148
  25. 84
  26. 152
  27. 100
  28. 132
  29. 64
  30. 40
  31. 176
  32. 80
  33. 108
  34. 172
  35. 124
  36. 212
  37. 220
  38. 236
  39. 208
  40. 60

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