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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 364 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.54 × 4 =
  2. 2.56 × 4 =
  3. 3.53 × 4 =
  4. 4.14 × 4 =
  5. 5.48 × 4 =
  6. 6.41 × 4 =
  7. 7.23 × 4 =
  8. 8.16 × 4 =
  9. 9.6 × 4 =
  10. 10.45 × 4 =
  11. 11.58 × 4 =
  12. 12.33 × 4 =
  13. 13.26 × 4 =
  14. 14.30 × 4 =
  15. 15.57 × 4 =
  16. 16.32 × 4 =
  17. 17.59 × 4 =
  18. 18.11 × 4 =
  19. 19.42 × 4 =
  20. 20.7 × 4 =
  21. 21.15 × 4 =
  22. 22.31 × 4 =
  23. 23.8 × 4 =
  24. 24.10 × 4 =
  25. 25.25 × 4 =
  26. 26.50 × 4 =
  27. 27.20 × 4 =
  28. 28.37 × 4 =
  29. 29.44 × 4 =
  30. 30.24 × 4 =
  31. 31.29 × 4 =
  32. 32.22 × 4 =
  33. 33.36 × 4 =
  34. 34.17 × 4 =
  35. 35.12 × 4 =
  36. 36.46 × 4 =
  37. 37.9 × 4 =
  38. 38.35 × 4 =
  39. 39.38 × 4 =
  40. 40.21 × 4 =

Answer key

  1. 216
  2. 224
  3. 212
  4. 56
  5. 192
  6. 164
  7. 92
  8. 64
  9. 24
  10. 180
  11. 232
  12. 132
  13. 104
  14. 120
  15. 228
  16. 128
  17. 236
  18. 44
  19. 168
  20. 28
  21. 60
  22. 124
  23. 32
  24. 40
  25. 100
  26. 200
  27. 80
  28. 148
  29. 176
  30. 96
  31. 116
  32. 88
  33. 144
  34. 68
  35. 48
  36. 184
  37. 36
  38. 140
  39. 152
  40. 84

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