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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 258 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.29 × 4 =
  2. 2.28 × 4 =
  3. 3.16 × 4 =
  4. 4.17 × 4 =
  5. 5.36 × 4 =
  6. 6.9 × 4 =
  7. 7.40 × 4 =
  8. 8.60 × 4 =
  9. 9.21 × 4 =
  10. 10.15 × 4 =
  11. 11.42 × 4 =
  12. 12.34 × 4 =
  13. 13.54 × 4 =
  14. 14.24 × 4 =
  15. 15.38 × 4 =
  16. 16.58 × 4 =
  17. 17.33 × 4 =
  18. 18.39 × 4 =
  19. 19.27 × 4 =
  20. 20.49 × 4 =
  21. 21.52 × 4 =
  22. 22.13 × 4 =
  23. 23.43 × 4 =
  24. 24.32 × 4 =
  25. 25.30 × 4 =
  26. 26.7 × 4 =
  27. 27.51 × 4 =
  28. 28.31 × 4 =
  29. 29.57 × 4 =
  30. 30.59 × 4 =
  31. 31.6 × 4 =
  32. 32.46 × 4 =
  33. 33.22 × 4 =
  34. 34.10 × 4 =
  35. 35.11 × 4 =
  36. 36.45 × 4 =
  37. 37.37 × 4 =
  38. 38.12 × 4 =
  39. 39.8 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 116
  2. 112
  3. 64
  4. 68
  5. 144
  6. 36
  7. 160
  8. 240
  9. 84
  10. 60
  11. 168
  12. 136
  13. 216
  14. 96
  15. 152
  16. 232
  17. 132
  18. 156
  19. 108
  20. 196
  21. 208
  22. 52
  23. 172
  24. 128
  25. 120
  26. 28
  27. 204
  28. 124
  29. 228
  30. 236
  31. 24
  32. 184
  33. 88
  34. 40
  35. 44
  36. 180
  37. 148
  38. 48
  39. 32
  40. 100

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