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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 912 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.53 × 4 =
  3. 3.36 × 4 =
  4. 4.45 × 4 =
  5. 5.31 × 4 =
  6. 6.57 × 4 =
  7. 7.21 × 4 =
  8. 8.18 × 4 =
  9. 9.14 × 4 =
  10. 10.13 × 4 =
  11. 11.9 × 4 =
  12. 12.46 × 4 =
  13. 13.29 × 4 =
  14. 14.43 × 4 =
  15. 15.6 × 4 =
  16. 16.16 × 4 =
  17. 17.25 × 4 =
  18. 18.34 × 4 =
  19. 19.50 × 4 =
  20. 20.8 × 4 =
  21. 21.40 × 4 =
  22. 22.54 × 4 =
  23. 23.38 × 4 =
  24. 24.41 × 4 =
  25. 25.33 × 4 =
  26. 26.56 × 4 =
  27. 27.49 × 4 =
  28. 28.39 × 4 =
  29. 29.7 × 4 =
  30. 30.27 × 4 =
  31. 31.10 × 4 =
  32. 32.17 × 4 =
  33. 33.26 × 4 =
  34. 34.24 × 4 =
  35. 35.58 × 4 =
  36. 36.60 × 4 =
  37. 37.37 × 4 =
  38. 38.12 × 4 =
  39. 39.44 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 112
  2. 212
  3. 144
  4. 180
  5. 124
  6. 228
  7. 84
  8. 72
  9. 56
  10. 52
  11. 36
  12. 184
  13. 116
  14. 172
  15. 24
  16. 64
  17. 100
  18. 136
  19. 200
  20. 32
  21. 160
  22. 216
  23. 152
  24. 164
  25. 132
  26. 224
  27. 196
  28. 156
  29. 28
  30. 108
  31. 40
  32. 68
  33. 104
  34. 96
  35. 232
  36. 240
  37. 148
  38. 48
  39. 176
  40. 140

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