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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 619 · 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. 2.52 × 4 =
  3. 3.17 × 4 =
  4. 4.15 × 4 =
  5. 5.29 × 4 =
  6. 6.9 × 4 =
  7. 7.22 × 4 =
  8. 8.59 × 4 =
  9. 9.30 × 4 =
  10. 10.21 × 4 =
  11. 11.54 × 4 =
  12. 12.12 × 4 =
  13. 13.10 × 4 =
  14. 14.39 × 4 =
  15. 15.41 × 4 =
  16. 16.37 × 4 =
  17. 17.50 × 4 =
  18. 18.40 × 4 =
  19. 19.8 × 4 =
  20. 20.26 × 4 =
  21. 21.55 × 4 =
  22. 22.42 × 4 =
  23. 23.58 × 4 =
  24. 24.51 × 4 =
  25. 25.16 × 4 =
  26. 26.6 × 4 =
  27. 27.36 × 4 =
  28. 28.34 × 4 =
  29. 29.24 × 4 =
  30. 30.44 × 4 =
  31. 31.27 × 4 =
  32. 32.43 × 4 =
  33. 33.48 × 4 =
  34. 34.46 × 4 =
  35. 35.38 × 4 =
  36. 36.33 × 4 =
  37. 37.57 × 4 =
  38. 38.35 × 4 =
  39. 39.11 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 180
  2. 208
  3. 68
  4. 60
  5. 116
  6. 36
  7. 88
  8. 236
  9. 120
  10. 84
  11. 216
  12. 48
  13. 40
  14. 156
  15. 164
  16. 148
  17. 200
  18. 160
  19. 32
  20. 104
  21. 220
  22. 168
  23. 232
  24. 204
  25. 64
  26. 24
  27. 144
  28. 136
  29. 96
  30. 176
  31. 108
  32. 172
  33. 192
  34. 184
  35. 152
  36. 132
  37. 228
  38. 140
  39. 44
  40. 124

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