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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 379 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.41 × 4 =
  3. 3.19 × 4 =
  4. 4.37 × 4 =
  5. 5.16 × 4 =
  6. 6.56 × 4 =
  7. 7.42 × 4 =
  8. 8.52 × 4 =
  9. 9.22 × 4 =
  10. 10.54 × 4 =
  11. 11.11 × 4 =
  12. 12.33 × 4 =
  13. 13.20 × 4 =
  14. 14.50 × 4 =
  15. 15.15 × 4 =
  16. 16.10 × 4 =
  17. 17.8 × 4 =
  18. 18.32 × 4 =
  19. 19.29 × 4 =
  20. 20.35 × 4 =
  21. 21.40 × 4 =
  22. 22.49 × 4 =
  23. 23.18 × 4 =
  24. 24.34 × 4 =
  25. 25.7 × 4 =
  26. 26.31 × 4 =
  27. 27.24 × 4 =
  28. 28.48 × 4 =
  29. 29.55 × 4 =
  30. 30.25 × 4 =
  31. 31.9 × 4 =
  32. 32.53 × 4 =
  33. 33.43 × 4 =
  34. 34.47 × 4 =
  35. 35.51 × 4 =
  36. 36.13 × 4 =
  37. 37.30 × 4 =
  38. 38.44 × 4 =
  39. 39.39 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 92
  2. 164
  3. 76
  4. 148
  5. 64
  6. 224
  7. 168
  8. 208
  9. 88
  10. 216
  11. 44
  12. 132
  13. 80
  14. 200
  15. 60
  16. 40
  17. 32
  18. 128
  19. 116
  20. 140
  21. 160
  22. 196
  23. 72
  24. 136
  25. 28
  26. 124
  27. 96
  28. 192
  29. 220
  30. 100
  31. 36
  32. 212
  33. 172
  34. 188
  35. 204
  36. 52
  37. 120
  38. 176
  39. 156
  40. 144

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