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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 797 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.24 × 4 =
  3. 3.49 × 4 =
  4. 4.36 × 4 =
  5. 5.9 × 4 =
  6. 6.42 × 4 =
  7. 7.31 × 4 =
  8. 8.7 × 4 =
  9. 9.46 × 4 =
  10. 10.29 × 4 =
  11. 11.6 × 4 =
  12. 12.44 × 4 =
  13. 13.59 × 4 =
  14. 14.28 × 4 =
  15. 15.18 × 4 =
  16. 16.33 × 4 =
  17. 17.20 × 4 =
  18. 18.19 × 4 =
  19. 19.48 × 4 =
  20. 20.22 × 4 =
  21. 21.10 × 4 =
  22. 22.51 × 4 =
  23. 23.11 × 4 =
  24. 24.12 × 4 =
  25. 25.53 × 4 =
  26. 26.52 × 4 =
  27. 27.57 × 4 =
  28. 28.56 × 4 =
  29. 29.40 × 4 =
  30. 30.13 × 4 =
  31. 31.47 × 4 =
  32. 32.38 × 4 =
  33. 33.26 × 4 =
  34. 34.37 × 4 =
  35. 35.30 × 4 =
  36. 36.54 × 4 =
  37. 37.50 × 4 =
  38. 38.27 × 4 =
  39. 39.14 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 84
  2. 96
  3. 196
  4. 144
  5. 36
  6. 168
  7. 124
  8. 28
  9. 184
  10. 116
  11. 24
  12. 176
  13. 236
  14. 112
  15. 72
  16. 132
  17. 80
  18. 76
  19. 192
  20. 88
  21. 40
  22. 204
  23. 44
  24. 48
  25. 212
  26. 208
  27. 228
  28. 224
  29. 160
  30. 52
  31. 188
  32. 152
  33. 104
  34. 148
  35. 120
  36. 216
  37. 200
  38. 108
  39. 56
  40. 60

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