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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 284 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.35 × 4 =
  3. 3.54 × 4 =
  4. 4.36 × 4 =
  5. 5.11 × 4 =
  6. 6.19 × 4 =
  7. 7.48 × 4 =
  8. 8.21 × 4 =
  9. 9.60 × 4 =
  10. 10.23 × 4 =
  11. 11.45 × 4 =
  12. 12.26 × 4 =
  13. 13.31 × 4 =
  14. 14.39 × 4 =
  15. 15.44 × 4 =
  16. 16.27 × 4 =
  17. 17.13 × 4 =
  18. 18.9 × 4 =
  19. 19.46 × 4 =
  20. 20.59 × 4 =
  21. 21.51 × 4 =
  22. 22.10 × 4 =
  23. 23.53 × 4 =
  24. 24.50 × 4 =
  25. 25.25 × 4 =
  26. 26.55 × 4 =
  27. 27.22 × 4 =
  28. 28.8 × 4 =
  29. 29.7 × 4 =
  30. 30.49 × 4 =
  31. 31.47 × 4 =
  32. 32.43 × 4 =
  33. 33.41 × 4 =
  34. 34.12 × 4 =
  35. 35.17 × 4 =
  36. 36.58 × 4 =
  37. 37.57 × 4 =
  38. 38.52 × 4 =
  39. 39.34 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 148
  2. 140
  3. 216
  4. 144
  5. 44
  6. 76
  7. 192
  8. 84
  9. 240
  10. 92
  11. 180
  12. 104
  13. 124
  14. 156
  15. 176
  16. 108
  17. 52
  18. 36
  19. 184
  20. 236
  21. 204
  22. 40
  23. 212
  24. 200
  25. 100
  26. 220
  27. 88
  28. 32
  29. 28
  30. 196
  31. 188
  32. 172
  33. 164
  34. 48
  35. 68
  36. 232
  37. 228
  38. 208
  39. 136
  40. 60

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