← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 373 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.12 × 4 =
  3. 3.38 × 4 =
  4. 4.30 × 4 =
  5. 5.8 × 4 =
  6. 6.19 × 4 =
  7. 7.17 × 4 =
  8. 8.51 × 4 =
  9. 9.41 × 4 =
  10. 10.18 × 4 =
  11. 11.54 × 4 =
  12. 12.14 × 4 =
  13. 13.45 × 4 =
  14. 14.10 × 4 =
  15. 15.52 × 4 =
  16. 16.46 × 4 =
  17. 17.13 × 4 =
  18. 18.49 × 4 =
  19. 19.9 × 4 =
  20. 20.57 × 4 =
  21. 21.55 × 4 =
  22. 22.56 × 4 =
  23. 23.31 × 4 =
  24. 24.33 × 4 =
  25. 25.44 × 4 =
  26. 26.36 × 4 =
  27. 27.59 × 4 =
  28. 28.23 × 4 =
  29. 29.29 × 4 =
  30. 30.35 × 4 =
  31. 31.37 × 4 =
  32. 32.60 × 4 =
  33. 33.24 × 4 =
  34. 34.48 × 4 =
  35. 35.25 × 4 =
  36. 36.42 × 4 =
  37. 37.15 × 4 =
  38. 38.11 × 4 =
  39. 39.58 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 188
  2. 48
  3. 152
  4. 120
  5. 32
  6. 76
  7. 68
  8. 204
  9. 164
  10. 72
  11. 216
  12. 56
  13. 180
  14. 40
  15. 208
  16. 184
  17. 52
  18. 196
  19. 36
  20. 228
  21. 220
  22. 224
  23. 124
  24. 132
  25. 176
  26. 144
  27. 236
  28. 92
  29. 116
  30. 140
  31. 148
  32. 240
  33. 96
  34. 192
  35. 100
  36. 168
  37. 60
  38. 44
  39. 232
  40. 156

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