← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 534 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.19 × 4 =
  2. 2.48 × 4 =
  3. 3.40 × 4 =
  4. 4.50 × 4 =
  5. 5.17 × 4 =
  6. 6.20 × 4 =
  7. 7.15 × 4 =
  8. 8.44 × 4 =
  9. 9.37 × 4 =
  10. 10.53 × 4 =
  11. 11.34 × 4 =
  12. 12.16 × 4 =
  13. 13.39 × 4 =
  14. 14.21 × 4 =
  15. 15.25 × 4 =
  16. 16.49 × 4 =
  17. 17.33 × 4 =
  18. 18.59 × 4 =
  19. 19.8 × 4 =
  20. 20.9 × 4 =
  21. 21.45 × 4 =
  22. 22.43 × 4 =
  23. 23.35 × 4 =
  24. 24.23 × 4 =
  25. 25.47 × 4 =
  26. 26.56 × 4 =
  27. 27.26 × 4 =
  28. 28.46 × 4 =
  29. 29.12 × 4 =
  30. 30.30 × 4 =
  31. 31.29 × 4 =
  32. 32.14 × 4 =
  33. 33.22 × 4 =
  34. 34.6 × 4 =
  35. 35.13 × 4 =
  36. 36.27 × 4 =
  37. 37.42 × 4 =
  38. 38.18 × 4 =
  39. 39.58 × 4 =
  40. 40.31 × 4 =

Answer key

  1. 76
  2. 192
  3. 160
  4. 200
  5. 68
  6. 80
  7. 60
  8. 176
  9. 148
  10. 212
  11. 136
  12. 64
  13. 156
  14. 84
  15. 100
  16. 196
  17. 132
  18. 236
  19. 32
  20. 36
  21. 180
  22. 172
  23. 140
  24. 92
  25. 188
  26. 224
  27. 104
  28. 184
  29. 48
  30. 120
  31. 116
  32. 56
  33. 88
  34. 24
  35. 52
  36. 108
  37. 168
  38. 72
  39. 232
  40. 124

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