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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 250 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.17 × 4 =
  3. 3.13 × 4 =
  4. 4.8 × 4 =
  5. 5.6 × 4 =
  6. 6.46 × 4 =
  7. 7.54 × 4 =
  8. 8.14 × 4 =
  9. 9.38 × 4 =
  10. 10.25 × 4 =
  11. 11.45 × 4 =
  12. 12.48 × 4 =
  13. 13.59 × 4 =
  14. 14.10 × 4 =
  15. 15.55 × 4 =
  16. 16.37 × 4 =
  17. 17.47 × 4 =
  18. 18.7 × 4 =
  19. 19.24 × 4 =
  20. 20.43 × 4 =
  21. 21.20 × 4 =
  22. 22.56 × 4 =
  23. 23.39 × 4 =
  24. 24.9 × 4 =
  25. 25.49 × 4 =
  26. 26.53 × 4 =
  27. 27.58 × 4 =
  28. 28.15 × 4 =
  29. 29.41 × 4 =
  30. 30.33 × 4 =
  31. 31.27 × 4 =
  32. 32.51 × 4 =
  33. 33.34 × 4 =
  34. 34.28 × 4 =
  35. 35.12 × 4 =
  36. 36.11 × 4 =
  37. 37.31 × 4 =
  38. 38.42 × 4 =
  39. 39.21 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 120
  2. 68
  3. 52
  4. 32
  5. 24
  6. 184
  7. 216
  8. 56
  9. 152
  10. 100
  11. 180
  12. 192
  13. 236
  14. 40
  15. 220
  16. 148
  17. 188
  18. 28
  19. 96
  20. 172
  21. 80
  22. 224
  23. 156
  24. 36
  25. 196
  26. 212
  27. 232
  28. 60
  29. 164
  30. 132
  31. 108
  32. 204
  33. 136
  34. 112
  35. 48
  36. 44
  37. 124
  38. 168
  39. 84
  40. 176

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