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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 792 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.21 × 4 =
  3. 3.6 × 4 =
  4. 4.29 × 4 =
  5. 5.7 × 4 =
  6. 6.52 × 4 =
  7. 7.42 × 4 =
  8. 8.39 × 4 =
  9. 9.10 × 4 =
  10. 10.48 × 4 =
  11. 11.60 × 4 =
  12. 12.25 × 4 =
  13. 13.59 × 4 =
  14. 14.34 × 4 =
  15. 15.55 × 4 =
  16. 16.57 × 4 =
  17. 17.47 × 4 =
  18. 18.22 × 4 =
  19. 19.44 × 4 =
  20. 20.43 × 4 =
  21. 21.56 × 4 =
  22. 22.54 × 4 =
  23. 23.32 × 4 =
  24. 24.17 × 4 =
  25. 25.15 × 4 =
  26. 26.20 × 4 =
  27. 27.35 × 4 =
  28. 28.8 × 4 =
  29. 29.37 × 4 =
  30. 30.18 × 4 =
  31. 31.26 × 4 =
  32. 32.51 × 4 =
  33. 33.33 × 4 =
  34. 34.50 × 4 =
  35. 35.28 × 4 =
  36. 36.46 × 4 =
  37. 37.46 × 4 =
  38. 38.38 × 4 =
  39. 39.27 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 180
  2. 84
  3. 24
  4. 116
  5. 28
  6. 208
  7. 168
  8. 156
  9. 40
  10. 192
  11. 240
  12. 100
  13. 236
  14. 136
  15. 220
  16. 228
  17. 188
  18. 88
  19. 176
  20. 172
  21. 224
  22. 216
  23. 128
  24. 68
  25. 60
  26. 80
  27. 140
  28. 32
  29. 148
  30. 72
  31. 104
  32. 204
  33. 132
  34. 200
  35. 112
  36. 184
  37. 184
  38. 152
  39. 108
  40. 144

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