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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 383 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.22 × 4 =
  3. 3.14 × 4 =
  4. 4.30 × 4 =
  5. 5.35 × 4 =
  6. 6.37 × 4 =
  7. 7.56 × 4 =
  8. 8.15 × 4 =
  9. 9.36 × 4 =
  10. 10.18 × 4 =
  11. 11.21 × 4 =
  12. 12.39 × 4 =
  13. 13.59 × 4 =
  14. 14.47 × 4 =
  15. 15.20 × 4 =
  16. 16.52 × 4 =
  17. 17.10 × 4 =
  18. 18.7 × 4 =
  19. 19.58 × 4 =
  20. 20.16 × 4 =
  21. 21.8 × 4 =
  22. 22.31 × 4 =
  23. 23.60 × 4 =
  24. 24.9 × 4 =
  25. 25.27 × 4 =
  26. 26.57 × 4 =
  27. 27.46 × 4 =
  28. 28.32 × 4 =
  29. 29.40 × 4 =
  30. 30.43 × 4 =
  31. 31.51 × 4 =
  32. 32.49 × 4 =
  33. 33.6 × 4 =
  34. 34.24 × 4 =
  35. 35.13 × 4 =
  36. 36.26 × 4 =
  37. 37.23 × 4 =
  38. 38.12 × 4 =
  39. 39.54 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 176
  2. 88
  3. 56
  4. 120
  5. 140
  6. 148
  7. 224
  8. 60
  9. 144
  10. 72
  11. 84
  12. 156
  13. 236
  14. 188
  15. 80
  16. 208
  17. 40
  18. 28
  19. 232
  20. 64
  21. 32
  22. 124
  23. 240
  24. 36
  25. 108
  26. 228
  27. 184
  28. 128
  29. 160
  30. 172
  31. 204
  32. 196
  33. 24
  34. 96
  35. 52
  36. 104
  37. 92
  38. 48
  39. 216
  40. 168

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