← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 129 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.6 × 4 =
  3. 3.51 × 4 =
  4. 4.10 × 4 =
  5. 5.42 × 4 =
  6. 6.19 × 4 =
  7. 7.44 × 4 =
  8. 8.50 × 4 =
  9. 9.38 × 4 =
  10. 10.18 × 4 =
  11. 11.35 × 4 =
  12. 12.57 × 4 =
  13. 13.15 × 4 =
  14. 14.21 × 4 =
  15. 15.34 × 4 =
  16. 16.41 × 4 =
  17. 17.13 × 4 =
  18. 18.30 × 4 =
  19. 19.8 × 4 =
  20. 20.14 × 4 =
  21. 21.25 × 4 =
  22. 22.52 × 4 =
  23. 23.33 × 4 =
  24. 24.7 × 4 =
  25. 25.29 × 4 =
  26. 26.53 × 4 =
  27. 27.48 × 4 =
  28. 28.16 × 4 =
  29. 29.49 × 4 =
  30. 30.60 × 4 =
  31. 31.24 × 4 =
  32. 32.37 × 4 =
  33. 33.47 × 4 =
  34. 34.58 × 4 =
  35. 35.12 × 4 =
  36. 36.36 × 4 =
  37. 37.40 × 4 =
  38. 38.54 × 4 =
  39. 39.9 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 220
  2. 24
  3. 204
  4. 40
  5. 168
  6. 76
  7. 176
  8. 200
  9. 152
  10. 72
  11. 140
  12. 228
  13. 60
  14. 84
  15. 136
  16. 164
  17. 52
  18. 120
  19. 32
  20. 56
  21. 100
  22. 208
  23. 132
  24. 28
  25. 116
  26. 212
  27. 192
  28. 64
  29. 196
  30. 240
  31. 96
  32. 148
  33. 188
  34. 232
  35. 48
  36. 144
  37. 160
  38. 216
  39. 36
  40. 128

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