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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 721 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.39 × 4 =
  3. 3.20 × 4 =
  4. 4.37 × 4 =
  5. 5.19 × 4 =
  6. 6.41 × 4 =
  7. 7.27 × 4 =
  8. 8.40 × 4 =
  9. 9.46 × 4 =
  10. 10.13 × 4 =
  11. 11.14 × 4 =
  12. 12.25 × 4 =
  13. 13.33 × 4 =
  14. 14.21 × 4 =
  15. 15.7 × 4 =
  16. 16.47 × 4 =
  17. 17.15 × 4 =
  18. 18.22 × 4 =
  19. 19.45 × 4 =
  20. 20.60 × 4 =
  21. 21.16 × 4 =
  22. 22.35 × 4 =
  23. 23.56 × 4 =
  24. 24.49 × 4 =
  25. 25.26 × 4 =
  26. 26.53 × 4 =
  27. 27.31 × 4 =
  28. 28.57 × 4 =
  29. 29.11 × 4 =
  30. 30.38 × 4 =
  31. 31.42 × 4 =
  32. 32.24 × 4 =
  33. 33.10 × 4 =
  34. 34.23 × 4 =
  35. 35.17 × 4 =
  36. 36.30 × 4 =
  37. 37.9 × 4 =
  38. 38.36 × 4 =
  39. 39.58 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 176
  2. 156
  3. 80
  4. 148
  5. 76
  6. 164
  7. 108
  8. 160
  9. 184
  10. 52
  11. 56
  12. 100
  13. 132
  14. 84
  15. 28
  16. 188
  17. 60
  18. 88
  19. 180
  20. 240
  21. 64
  22. 140
  23. 224
  24. 196
  25. 104
  26. 212
  27. 124
  28. 228
  29. 44
  30. 152
  31. 168
  32. 96
  33. 40
  34. 92
  35. 68
  36. 120
  37. 36
  38. 144
  39. 232
  40. 72

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks