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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 604 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.36 × 4 =
  2. 2.56 × 4 =
  3. 3.7 × 4 =
  4. 4.52 × 4 =
  5. 5.57 × 4 =
  6. 6.33 × 4 =
  7. 7.60 × 4 =
  8. 8.38 × 4 =
  9. 9.13 × 4 =
  10. 10.35 × 4 =
  11. 11.51 × 4 =
  12. 12.20 × 4 =
  13. 13.6 × 4 =
  14. 14.48 × 4 =
  15. 15.14 × 4 =
  16. 16.47 × 4 =
  17. 17.29 × 4 =
  18. 18.43 × 4 =
  19. 19.44 × 4 =
  20. 20.45 × 4 =
  21. 21.54 × 4 =
  22. 22.23 × 4 =
  23. 23.8 × 4 =
  24. 24.30 × 4 =
  25. 25.53 × 4 =
  26. 26.17 × 4 =
  27. 27.11 × 4 =
  28. 28.12 × 4 =
  29. 29.34 × 4 =
  30. 30.55 × 4 =
  31. 31.49 × 4 =
  32. 32.42 × 4 =
  33. 33.9 × 4 =
  34. 34.21 × 4 =
  35. 35.28 × 4 =
  36. 36.41 × 4 =
  37. 37.39 × 4 =
  38. 38.31 × 4 =
  39. 39.18 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 144
  2. 224
  3. 28
  4. 208
  5. 228
  6. 132
  7. 240
  8. 152
  9. 52
  10. 140
  11. 204
  12. 80
  13. 24
  14. 192
  15. 56
  16. 188
  17. 116
  18. 172
  19. 176
  20. 180
  21. 216
  22. 92
  23. 32
  24. 120
  25. 212
  26. 68
  27. 44
  28. 48
  29. 136
  30. 220
  31. 196
  32. 168
  33. 36
  34. 84
  35. 112
  36. 164
  37. 156
  38. 124
  39. 72
  40. 212

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