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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 822 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.52 × 4 =
  2. 2.7 × 4 =
  3. 3.14 × 4 =
  4. 4.42 × 4 =
  5. 5.21 × 4 =
  6. 6.6 × 4 =
  7. 7.51 × 4 =
  8. 8.28 × 4 =
  9. 9.23 × 4 =
  10. 10.15 × 4 =
  11. 11.37 × 4 =
  12. 12.40 × 4 =
  13. 13.56 × 4 =
  14. 14.29 × 4 =
  15. 15.47 × 4 =
  16. 16.49 × 4 =
  17. 17.39 × 4 =
  18. 18.27 × 4 =
  19. 19.8 × 4 =
  20. 20.17 × 4 =
  21. 21.24 × 4 =
  22. 22.13 × 4 =
  23. 23.57 × 4 =
  24. 24.26 × 4 =
  25. 25.55 × 4 =
  26. 26.34 × 4 =
  27. 27.20 × 4 =
  28. 28.18 × 4 =
  29. 29.48 × 4 =
  30. 30.54 × 4 =
  31. 31.12 × 4 =
  32. 32.33 × 4 =
  33. 33.36 × 4 =
  34. 34.32 × 4 =
  35. 35.19 × 4 =
  36. 36.9 × 4 =
  37. 37.58 × 4 =
  38. 38.46 × 4 =
  39. 39.35 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 208
  2. 28
  3. 56
  4. 168
  5. 84
  6. 24
  7. 204
  8. 112
  9. 92
  10. 60
  11. 148
  12. 160
  13. 224
  14. 116
  15. 188
  16. 196
  17. 156
  18. 108
  19. 32
  20. 68
  21. 96
  22. 52
  23. 228
  24. 104
  25. 220
  26. 136
  27. 80
  28. 72
  29. 192
  30. 216
  31. 48
  32. 132
  33. 144
  34. 128
  35. 76
  36. 36
  37. 232
  38. 184
  39. 140
  40. 212

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