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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 413 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.41 × 4 =
  2. 2.60 × 4 =
  3. 3.6 × 4 =
  4. 4.16 × 4 =
  5. 5.18 × 4 =
  6. 6.49 × 4 =
  7. 7.54 × 4 =
  8. 8.31 × 4 =
  9. 9.57 × 4 =
  10. 10.19 × 4 =
  11. 11.40 × 4 =
  12. 12.17 × 4 =
  13. 13.36 × 4 =
  14. 14.20 × 4 =
  15. 15.44 × 4 =
  16. 16.45 × 4 =
  17. 17.11 × 4 =
  18. 18.55 × 4 =
  19. 19.12 × 4 =
  20. 20.47 × 4 =
  21. 21.14 × 4 =
  22. 22.53 × 4 =
  23. 23.7 × 4 =
  24. 24.27 × 4 =
  25. 25.13 × 4 =
  26. 26.48 × 4 =
  27. 27.10 × 4 =
  28. 28.46 × 4 =
  29. 29.9 × 4 =
  30. 30.29 × 4 =
  31. 31.15 × 4 =
  32. 32.30 × 4 =
  33. 33.21 × 4 =
  34. 34.26 × 4 =
  35. 35.33 × 4 =
  36. 36.35 × 4 =
  37. 37.37 × 4 =
  38. 38.51 × 4 =
  39. 39.28 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 164
  2. 240
  3. 24
  4. 64
  5. 72
  6. 196
  7. 216
  8. 124
  9. 228
  10. 76
  11. 160
  12. 68
  13. 144
  14. 80
  15. 176
  16. 180
  17. 44
  18. 220
  19. 48
  20. 188
  21. 56
  22. 212
  23. 28
  24. 108
  25. 52
  26. 192
  27. 40
  28. 184
  29. 36
  30. 116
  31. 60
  32. 120
  33. 84
  34. 104
  35. 132
  36. 140
  37. 148
  38. 204
  39. 112
  40. 168

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