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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 120 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.17 × 4 =
  3. 3.18 × 4 =
  4. 4.24 × 4 =
  5. 5.27 × 4 =
  6. 6.9 × 4 =
  7. 7.6 × 4 =
  8. 8.54 × 4 =
  9. 9.12 × 4 =
  10. 10.13 × 4 =
  11. 11.32 × 4 =
  12. 12.25 × 4 =
  13. 13.7 × 4 =
  14. 14.57 × 4 =
  15. 15.37 × 4 =
  16. 16.59 × 4 =
  17. 17.50 × 4 =
  18. 18.16 × 4 =
  19. 19.21 × 4 =
  20. 20.35 × 4 =
  21. 21.46 × 4 =
  22. 22.48 × 4 =
  23. 23.58 × 4 =
  24. 24.53 × 4 =
  25. 25.41 × 4 =
  26. 26.33 × 4 =
  27. 27.47 × 4 =
  28. 28.38 × 4 =
  29. 29.60 × 4 =
  30. 30.34 × 4 =
  31. 31.45 × 4 =
  32. 32.29 × 4 =
  33. 33.14 × 4 =
  34. 34.43 × 4 =
  35. 35.31 × 4 =
  36. 36.20 × 4 =
  37. 37.8 × 4 =
  38. 38.15 × 4 =
  39. 39.51 × 4 =
  40. 40.22 × 4 =

Answer key

  1. 92
  2. 68
  3. 72
  4. 96
  5. 108
  6. 36
  7. 24
  8. 216
  9. 48
  10. 52
  11. 128
  12. 100
  13. 28
  14. 228
  15. 148
  16. 236
  17. 200
  18. 64
  19. 84
  20. 140
  21. 184
  22. 192
  23. 232
  24. 212
  25. 164
  26. 132
  27. 188
  28. 152
  29. 240
  30. 136
  31. 180
  32. 116
  33. 56
  34. 172
  35. 124
  36. 80
  37. 32
  38. 60
  39. 204
  40. 88

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