← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 106 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.44 × 4 =
  2. 2.19 × 4 =
  3. 3.36 × 4 =
  4. 4.11 × 4 =
  5. 5.59 × 4 =
  6. 6.45 × 4 =
  7. 7.27 × 4 =
  8. 8.56 × 4 =
  9. 9.42 × 4 =
  10. 10.12 × 4 =
  11. 11.55 × 4 =
  12. 12.17 × 4 =
  13. 13.9 × 4 =
  14. 14.16 × 4 =
  15. 15.57 × 4 =
  16. 16.13 × 4 =
  17. 17.52 × 4 =
  18. 18.23 × 4 =
  19. 19.24 × 4 =
  20. 20.33 × 4 =
  21. 21.8 × 4 =
  22. 22.50 × 4 =
  23. 23.20 × 4 =
  24. 24.48 × 4 =
  25. 25.7 × 4 =
  26. 26.41 × 4 =
  27. 27.43 × 4 =
  28. 28.29 × 4 =
  29. 29.58 × 4 =
  30. 30.49 × 4 =
  31. 31.37 × 4 =
  32. 32.31 × 4 =
  33. 33.26 × 4 =
  34. 34.28 × 4 =
  35. 35.32 × 4 =
  36. 36.25 × 4 =
  37. 37.51 × 4 =
  38. 38.14 × 4 =
  39. 39.34 × 4 =
  40. 40.40 × 4 =

Answer key

  1. 176
  2. 76
  3. 144
  4. 44
  5. 236
  6. 180
  7. 108
  8. 224
  9. 168
  10. 48
  11. 220
  12. 68
  13. 36
  14. 64
  15. 228
  16. 52
  17. 208
  18. 92
  19. 96
  20. 132
  21. 32
  22. 200
  23. 80
  24. 192
  25. 28
  26. 164
  27. 172
  28. 116
  29. 232
  30. 196
  31. 148
  32. 124
  33. 104
  34. 112
  35. 128
  36. 100
  37. 204
  38. 56
  39. 136
  40. 160

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