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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 824 · 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. 2.18 × 4 =
  3. 3.19 × 4 =
  4. 4.37 × 4 =
  5. 5.33 × 4 =
  6. 6.51 × 4 =
  7. 7.7 × 4 =
  8. 8.25 × 4 =
  9. 9.29 × 4 =
  10. 10.50 × 4 =
  11. 11.17 × 4 =
  12. 12.34 × 4 =
  13. 13.14 × 4 =
  14. 14.21 × 4 =
  15. 15.13 × 4 =
  16. 16.15 × 4 =
  17. 17.39 × 4 =
  18. 18.8 × 4 =
  19. 19.47 × 4 =
  20. 20.28 × 4 =
  21. 21.30 × 4 =
  22. 22.46 × 4 =
  23. 23.36 × 4 =
  24. 24.16 × 4 =
  25. 25.9 × 4 =
  26. 26.57 × 4 =
  27. 27.41 × 4 =
  28. 28.10 × 4 =
  29. 29.43 × 4 =
  30. 30.49 × 4 =
  31. 31.44 × 4 =
  32. 32.45 × 4 =
  33. 33.27 × 4 =
  34. 34.38 × 4 =
  35. 35.52 × 4 =
  36. 36.58 × 4 =
  37. 37.56 × 4 =
  38. 38.23 × 4 =
  39. 39.60 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 48
  2. 72
  3. 76
  4. 148
  5. 132
  6. 204
  7. 28
  8. 100
  9. 116
  10. 200
  11. 68
  12. 136
  13. 56
  14. 84
  15. 52
  16. 60
  17. 156
  18. 32
  19. 188
  20. 112
  21. 120
  22. 184
  23. 144
  24. 64
  25. 36
  26. 228
  27. 164
  28. 40
  29. 172
  30. 196
  31. 176
  32. 180
  33. 108
  34. 152
  35. 208
  36. 232
  37. 224
  38. 92
  39. 240
  40. 140

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