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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 535 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.55 × 4 =
  3. 3.52 × 4 =
  4. 4.10 × 4 =
  5. 5.45 × 4 =
  6. 6.51 × 4 =
  7. 7.6 × 4 =
  8. 8.7 × 4 =
  9. 9.41 × 4 =
  10. 10.48 × 4 =
  11. 11.34 × 4 =
  12. 12.14 × 4 =
  13. 13.23 × 4 =
  14. 14.12 × 4 =
  15. 15.36 × 4 =
  16. 16.21 × 4 =
  17. 17.24 × 4 =
  18. 18.16 × 4 =
  19. 19.33 × 4 =
  20. 20.11 × 4 =
  21. 21.28 × 4 =
  22. 22.25 × 4 =
  23. 23.50 × 4 =
  24. 24.30 × 4 =
  25. 25.22 × 4 =
  26. 26.57 × 4 =
  27. 27.47 × 4 =
  28. 28.32 × 4 =
  29. 29.17 × 4 =
  30. 30.53 × 4 =
  31. 31.29 × 4 =
  32. 32.44 × 4 =
  33. 33.15 × 4 =
  34. 34.43 × 4 =
  35. 35.59 × 4 =
  36. 36.20 × 4 =
  37. 37.42 × 4 =
  38. 38.13 × 4 =
  39. 39.9 × 4 =
  40. 40.8 × 4 =

Answer key

  1. 72
  2. 220
  3. 208
  4. 40
  5. 180
  6. 204
  7. 24
  8. 28
  9. 164
  10. 192
  11. 136
  12. 56
  13. 92
  14. 48
  15. 144
  16. 84
  17. 96
  18. 64
  19. 132
  20. 44
  21. 112
  22. 100
  23. 200
  24. 120
  25. 88
  26. 228
  27. 188
  28. 128
  29. 68
  30. 212
  31. 116
  32. 176
  33. 60
  34. 172
  35. 236
  36. 80
  37. 168
  38. 52
  39. 36
  40. 32

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