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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 391 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.57 × 4 =
  3. 3.31 × 4 =
  4. 4.43 × 4 =
  5. 5.40 × 4 =
  6. 6.22 × 4 =
  7. 7.34 × 4 =
  8. 8.6 × 4 =
  9. 9.53 × 4 =
  10. 10.16 × 4 =
  11. 11.56 × 4 =
  12. 12.32 × 4 =
  13. 13.30 × 4 =
  14. 14.9 × 4 =
  15. 15.37 × 4 =
  16. 16.18 × 4 =
  17. 17.44 × 4 =
  18. 18.28 × 4 =
  19. 19.58 × 4 =
  20. 20.17 × 4 =
  21. 21.25 × 4 =
  22. 22.7 × 4 =
  23. 23.54 × 4 =
  24. 24.49 × 4 =
  25. 25.27 × 4 =
  26. 26.39 × 4 =
  27. 27.35 × 4 =
  28. 28.10 × 4 =
  29. 29.15 × 4 =
  30. 30.26 × 4 =
  31. 31.21 × 4 =
  32. 32.33 × 4 =
  33. 33.29 × 4 =
  34. 34.20 × 4 =
  35. 35.11 × 4 =
  36. 36.41 × 4 =
  37. 37.8 × 4 =
  38. 38.14 × 4 =
  39. 39.12 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 180
  2. 228
  3. 124
  4. 172
  5. 160
  6. 88
  7. 136
  8. 24
  9. 212
  10. 64
  11. 224
  12. 128
  13. 120
  14. 36
  15. 148
  16. 72
  17. 176
  18. 112
  19. 232
  20. 68
  21. 100
  22. 28
  23. 216
  24. 196
  25. 108
  26. 156
  27. 140
  28. 40
  29. 60
  30. 104
  31. 84
  32. 132
  33. 116
  34. 80
  35. 44
  36. 164
  37. 32
  38. 56
  39. 48
  40. 96

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