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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 679 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.12 × 4 =
  2. 2.7 × 4 =
  3. 3.8 × 4 =
  4. 4.43 × 4 =
  5. 5.22 × 4 =
  6. 6.18 × 4 =
  7. 7.54 × 4 =
  8. 8.56 × 4 =
  9. 9.41 × 4 =
  10. 10.19 × 4 =
  11. 11.16 × 4 =
  12. 12.40 × 4 =
  13. 13.29 × 4 =
  14. 14.38 × 4 =
  15. 15.49 × 4 =
  16. 16.47 × 4 =
  17. 17.13 × 4 =
  18. 18.32 × 4 =
  19. 19.39 × 4 =
  20. 20.51 × 4 =
  21. 21.45 × 4 =
  22. 22.55 × 4 =
  23. 23.14 × 4 =
  24. 24.57 × 4 =
  25. 25.25 × 4 =
  26. 26.21 × 4 =
  27. 27.59 × 4 =
  28. 28.23 × 4 =
  29. 29.33 × 4 =
  30. 30.17 × 4 =
  31. 31.52 × 4 =
  32. 32.53 × 4 =
  33. 33.58 × 4 =
  34. 34.24 × 4 =
  35. 35.20 × 4 =
  36. 36.15 × 4 =
  37. 37.35 × 4 =
  38. 38.9 × 4 =
  39. 39.37 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 48
  2. 28
  3. 32
  4. 172
  5. 88
  6. 72
  7. 216
  8. 224
  9. 164
  10. 76
  11. 64
  12. 160
  13. 116
  14. 152
  15. 196
  16. 188
  17. 52
  18. 128
  19. 156
  20. 204
  21. 180
  22. 220
  23. 56
  24. 228
  25. 100
  26. 84
  27. 236
  28. 92
  29. 132
  30. 68
  31. 208
  32. 212
  33. 232
  34. 96
  35. 80
  36. 60
  37. 140
  38. 36
  39. 148
  40. 240

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