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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 231 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.57 × 4 =
  2. 2.41 × 4 =
  3. 3.45 × 4 =
  4. 4.27 × 4 =
  5. 5.37 × 4 =
  6. 6.54 × 4 =
  7. 7.26 × 4 =
  8. 8.21 × 4 =
  9. 9.17 × 4 =
  10. 10.11 × 4 =
  11. 11.34 × 4 =
  12. 12.36 × 4 =
  13. 13.19 × 4 =
  14. 14.15 × 4 =
  15. 15.51 × 4 =
  16. 16.7 × 4 =
  17. 17.28 × 4 =
  18. 18.55 × 4 =
  19. 19.39 × 4 =
  20. 20.40 × 4 =
  21. 21.13 × 4 =
  22. 22.33 × 4 =
  23. 23.32 × 4 =
  24. 24.58 × 4 =
  25. 25.12 × 4 =
  26. 26.56 × 4 =
  27. 27.18 × 4 =
  28. 28.53 × 4 =
  29. 29.50 × 4 =
  30. 30.47 × 4 =
  31. 31.48 × 4 =
  32. 32.38 × 4 =
  33. 33.10 × 4 =
  34. 34.29 × 4 =
  35. 35.30 × 4 =
  36. 36.35 × 4 =
  37. 37.6 × 4 =
  38. 38.42 × 4 =
  39. 39.9 × 4 =
  40. 40.49 × 4 =

Answer key

  1. 228
  2. 164
  3. 180
  4. 108
  5. 148
  6. 216
  7. 104
  8. 84
  9. 68
  10. 44
  11. 136
  12. 144
  13. 76
  14. 60
  15. 204
  16. 28
  17. 112
  18. 220
  19. 156
  20. 160
  21. 52
  22. 132
  23. 128
  24. 232
  25. 48
  26. 224
  27. 72
  28. 212
  29. 200
  30. 188
  31. 192
  32. 152
  33. 40
  34. 116
  35. 120
  36. 140
  37. 24
  38. 168
  39. 36
  40. 196

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