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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 180 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.20 × 4 =
  3. 3.52 × 4 =
  4. 4.44 × 4 =
  5. 5.33 × 4 =
  6. 6.53 × 4 =
  7. 7.41 × 4 =
  8. 8.18 × 4 =
  9. 9.32 × 4 =
  10. 10.7 × 4 =
  11. 11.48 × 4 =
  12. 12.9 × 4 =
  13. 13.6 × 4 =
  14. 14.54 × 4 =
  15. 15.30 × 4 =
  16. 16.14 × 4 =
  17. 17.28 × 4 =
  18. 18.46 × 4 =
  19. 19.22 × 4 =
  20. 20.34 × 4 =
  21. 21.59 × 4 =
  22. 22.37 × 4 =
  23. 23.12 × 4 =
  24. 24.38 × 4 =
  25. 25.40 × 4 =
  26. 26.42 × 4 =
  27. 27.27 × 4 =
  28. 28.60 × 4 =
  29. 29.21 × 4 =
  30. 30.55 × 4 =
  31. 31.51 × 4 =
  32. 32.16 × 4 =
  33. 33.56 × 4 =
  34. 34.15 × 4 =
  35. 35.29 × 4 =
  36. 36.23 × 4 =
  37. 37.47 × 4 =
  38. 38.25 × 4 =
  39. 39.26 × 4 =
  40. 40.50 × 4 =

Answer key

  1. 32
  2. 80
  3. 208
  4. 176
  5. 132
  6. 212
  7. 164
  8. 72
  9. 128
  10. 28
  11. 192
  12. 36
  13. 24
  14. 216
  15. 120
  16. 56
  17. 112
  18. 184
  19. 88
  20. 136
  21. 236
  22. 148
  23. 48
  24. 152
  25. 160
  26. 168
  27. 108
  28. 240
  29. 84
  30. 220
  31. 204
  32. 64
  33. 224
  34. 60
  35. 116
  36. 92
  37. 188
  38. 100
  39. 104
  40. 200

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