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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 325 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.50 × 4 =
  2. 2.21 × 4 =
  3. 3.11 × 4 =
  4. 4.47 × 4 =
  5. 5.59 × 4 =
  6. 6.49 × 4 =
  7. 7.22 × 4 =
  8. 8.28 × 4 =
  9. 9.32 × 4 =
  10. 10.35 × 4 =
  11. 11.56 × 4 =
  12. 12.30 × 4 =
  13. 13.45 × 4 =
  14. 14.51 × 4 =
  15. 15.37 × 4 =
  16. 16.20 × 4 =
  17. 17.39 × 4 =
  18. 18.38 × 4 =
  19. 19.33 × 4 =
  20. 20.13 × 4 =
  21. 21.12 × 4 =
  22. 22.23 × 4 =
  23. 23.6 × 4 =
  24. 24.48 × 4 =
  25. 25.52 × 4 =
  26. 26.34 × 4 =
  27. 27.57 × 4 =
  28. 28.16 × 4 =
  29. 29.60 × 4 =
  30. 30.29 × 4 =
  31. 31.15 × 4 =
  32. 32.54 × 4 =
  33. 33.25 × 4 =
  34. 34.7 × 4 =
  35. 35.53 × 4 =
  36. 36.24 × 4 =
  37. 37.26 × 4 =
  38. 38.8 × 4 =
  39. 39.46 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 200
  2. 84
  3. 44
  4. 188
  5. 236
  6. 196
  7. 88
  8. 112
  9. 128
  10. 140
  11. 224
  12. 120
  13. 180
  14. 204
  15. 148
  16. 80
  17. 156
  18. 152
  19. 132
  20. 52
  21. 48
  22. 92
  23. 24
  24. 192
  25. 208
  26. 136
  27. 228
  28. 64
  29. 240
  30. 116
  31. 60
  32. 216
  33. 100
  34. 28
  35. 212
  36. 96
  37. 104
  38. 32
  39. 184
  40. 76

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