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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 655 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.18 × 4 =
  3. 3.34 × 4 =
  4. 4.25 × 4 =
  5. 5.10 × 4 =
  6. 6.12 × 4 =
  7. 7.58 × 4 =
  8. 8.44 × 4 =
  9. 9.19 × 4 =
  10. 10.51 × 4 =
  11. 11.49 × 4 =
  12. 12.54 × 4 =
  13. 13.36 × 4 =
  14. 14.21 × 4 =
  15. 15.16 × 4 =
  16. 16.14 × 4 =
  17. 17.9 × 4 =
  18. 18.27 × 4 =
  19. 19.47 × 4 =
  20. 20.50 × 4 =
  21. 21.8 × 4 =
  22. 22.57 × 4 =
  23. 23.41 × 4 =
  24. 24.26 × 4 =
  25. 25.28 × 4 =
  26. 26.23 × 4 =
  27. 27.20 × 4 =
  28. 28.13 × 4 =
  29. 29.7 × 4 =
  30. 30.15 × 4 =
  31. 31.24 × 4 =
  32. 32.6 × 4 =
  33. 33.52 × 4 =
  34. 34.32 × 4 =
  35. 35.60 × 4 =
  36. 36.43 × 4 =
  37. 37.31 × 4 =
  38. 38.48 × 4 =
  39. 39.45 × 4 =
  40. 40.55 × 4 =

Answer key

  1. 44
  2. 72
  3. 136
  4. 100
  5. 40
  6. 48
  7. 232
  8. 176
  9. 76
  10. 204
  11. 196
  12. 216
  13. 144
  14. 84
  15. 64
  16. 56
  17. 36
  18. 108
  19. 188
  20. 200
  21. 32
  22. 228
  23. 164
  24. 104
  25. 112
  26. 92
  27. 80
  28. 52
  29. 28
  30. 60
  31. 96
  32. 24
  33. 208
  34. 128
  35. 240
  36. 172
  37. 124
  38. 192
  39. 180
  40. 220

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