← Times 4: double, double lesson New set →

Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 8 · 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. 2.14 × 4 =
  3. 3.25 × 4 =
  4. 4.57 × 4 =
  5. 5.29 × 4 =
  6. 6.26 × 4 =
  7. 7.9 × 4 =
  8. 8.20 × 4 =
  9. 9.21 × 4 =
  10. 10.22 × 4 =
  11. 11.35 × 4 =
  12. 12.44 × 4 =
  13. 13.51 × 4 =
  14. 14.36 × 4 =
  15. 15.16 × 4 =
  16. 16.54 × 4 =
  17. 17.53 × 4 =
  18. 18.47 × 4 =
  19. 19.46 × 4 =
  20. 20.52 × 4 =
  21. 21.31 × 4 =
  22. 22.41 × 4 =
  23. 23.18 × 4 =
  24. 24.24 × 4 =
  25. 25.42 × 4 =
  26. 26.8 × 4 =
  27. 27.30 × 4 =
  28. 28.48 × 4 =
  29. 29.43 × 4 =
  30. 30.10 × 4 =
  31. 31.11 × 4 =
  32. 32.15 × 4 =
  33. 33.56 × 4 =
  34. 34.6 × 4 =
  35. 35.45 × 4 =
  36. 36.55 × 4 =
  37. 37.50 × 4 =
  38. 38.32 × 4 =
  39. 39.7 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 76
  2. 56
  3. 100
  4. 228
  5. 116
  6. 104
  7. 36
  8. 80
  9. 84
  10. 88
  11. 140
  12. 176
  13. 204
  14. 144
  15. 64
  16. 216
  17. 212
  18. 188
  19. 184
  20. 208
  21. 124
  22. 164
  23. 72
  24. 96
  25. 168
  26. 32
  27. 120
  28. 192
  29. 172
  30. 40
  31. 44
  32. 60
  33. 224
  34. 24
  35. 180
  36. 220
  37. 200
  38. 128
  39. 28
  40. 148

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