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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 410 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.19 × 4 =
  2. 2.26 × 4 =
  3. 3.58 × 4 =
  4. 4.48 × 4 =
  5. 5.22 × 4 =
  6. 6.21 × 4 =
  7. 7.7 × 4 =
  8. 8.42 × 4 =
  9. 9.13 × 4 =
  10. 10.18 × 4 =
  11. 11.24 × 4 =
  12. 12.55 × 4 =
  13. 13.11 × 4 =
  14. 14.53 × 4 =
  15. 15.31 × 4 =
  16. 16.44 × 4 =
  17. 17.52 × 4 =
  18. 18.16 × 4 =
  19. 19.41 × 4 =
  20. 20.45 × 4 =
  21. 21.47 × 4 =
  22. 22.51 × 4 =
  23. 23.40 × 4 =
  24. 24.28 × 4 =
  25. 25.30 × 4 =
  26. 26.60 × 4 =
  27. 27.50 × 4 =
  28. 28.9 × 4 =
  29. 29.6 × 4 =
  30. 30.32 × 4 =
  31. 31.35 × 4 =
  32. 32.57 × 4 =
  33. 33.14 × 4 =
  34. 34.37 × 4 =
  35. 35.46 × 4 =
  36. 36.23 × 4 =
  37. 37.8 × 4 =
  38. 38.25 × 4 =
  39. 39.43 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 76
  2. 104
  3. 232
  4. 192
  5. 88
  6. 84
  7. 28
  8. 168
  9. 52
  10. 72
  11. 96
  12. 220
  13. 44
  14. 212
  15. 124
  16. 176
  17. 208
  18. 64
  19. 164
  20. 180
  21. 188
  22. 204
  23. 160
  24. 112
  25. 120
  26. 240
  27. 200
  28. 36
  29. 24
  30. 128
  31. 140
  32. 228
  33. 56
  34. 148
  35. 184
  36. 92
  37. 32
  38. 100
  39. 172
  40. 216

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