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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 168 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.59 × 4 =
  2. 2.42 × 4 =
  3. 3.7 × 4 =
  4. 4.51 × 4 =
  5. 5.34 × 4 =
  6. 6.6 × 4 =
  7. 7.30 × 4 =
  8. 8.45 × 4 =
  9. 9.17 × 4 =
  10. 10.54 × 4 =
  11. 11.55 × 4 =
  12. 12.25 × 4 =
  13. 13.38 × 4 =
  14. 14.24 × 4 =
  15. 15.32 × 4 =
  16. 16.37 × 4 =
  17. 17.21 × 4 =
  18. 18.48 × 4 =
  19. 19.53 × 4 =
  20. 20.15 × 4 =
  21. 21.13 × 4 =
  22. 22.57 × 4 =
  23. 23.50 × 4 =
  24. 24.36 × 4 =
  25. 25.33 × 4 =
  26. 26.28 × 4 =
  27. 27.43 × 4 =
  28. 28.22 × 4 =
  29. 29.11 × 4 =
  30. 30.46 × 4 =
  31. 31.47 × 4 =
  32. 32.29 × 4 =
  33. 33.31 × 4 =
  34. 34.16 × 4 =
  35. 35.35 × 4 =
  36. 36.14 × 4 =
  37. 37.12 × 4 =
  38. 38.8 × 4 =
  39. 39.40 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 236
  2. 168
  3. 28
  4. 204
  5. 136
  6. 24
  7. 120
  8. 180
  9. 68
  10. 216
  11. 220
  12. 100
  13. 152
  14. 96
  15. 128
  16. 148
  17. 84
  18. 192
  19. 212
  20. 60
  21. 52
  22. 228
  23. 200
  24. 144
  25. 132
  26. 112
  27. 172
  28. 88
  29. 44
  30. 184
  31. 188
  32. 116
  33. 124
  34. 64
  35. 140
  36. 56
  37. 48
  38. 32
  39. 160
  40. 240

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