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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 642 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.35 × 4 =
  3. 3.36 × 4 =
  4. 4.60 × 4 =
  5. 5.17 × 4 =
  6. 6.45 × 4 =
  7. 7.43 × 4 =
  8. 8.54 × 4 =
  9. 9.34 × 4 =
  10. 10.21 × 4 =
  11. 11.11 × 4 =
  12. 12.7 × 4 =
  13. 13.30 × 4 =
  14. 14.52 × 4 =
  15. 15.20 × 4 =
  16. 16.55 × 4 =
  17. 17.48 × 4 =
  18. 18.31 × 4 =
  19. 19.25 × 4 =
  20. 20.37 × 4 =
  21. 21.28 × 4 =
  22. 22.51 × 4 =
  23. 23.12 × 4 =
  24. 24.46 × 4 =
  25. 25.41 × 4 =
  26. 26.44 × 4 =
  27. 27.38 × 4 =
  28. 28.19 × 4 =
  29. 29.24 × 4 =
  30. 30.18 × 4 =
  31. 31.16 × 4 =
  32. 32.23 × 4 =
  33. 33.9 × 4 =
  34. 34.53 × 4 =
  35. 35.14 × 4 =
  36. 36.58 × 4 =
  37. 37.33 × 4 =
  38. 38.49 × 4 =
  39. 39.27 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 188
  2. 140
  3. 144
  4. 240
  5. 68
  6. 180
  7. 172
  8. 216
  9. 136
  10. 84
  11. 44
  12. 28
  13. 120
  14. 208
  15. 80
  16. 220
  17. 192
  18. 124
  19. 100
  20. 148
  21. 112
  22. 204
  23. 48
  24. 184
  25. 164
  26. 176
  27. 152
  28. 76
  29. 96
  30. 72
  31. 64
  32. 92
  33. 36
  34. 212
  35. 56
  36. 232
  37. 132
  38. 196
  39. 108
  40. 128

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