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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 9 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.16 × 4 =
  3. 3.54 × 4 =
  4. 4.59 × 4 =
  5. 5.26 × 4 =
  6. 6.35 × 4 =
  7. 7.56 × 4 =
  8. 8.34 × 4 =
  9. 9.22 × 4 =
  10. 10.46 × 4 =
  11. 11.18 × 4 =
  12. 12.42 × 4 =
  13. 13.30 × 4 =
  14. 14.21 × 4 =
  15. 15.9 × 4 =
  16. 16.43 × 4 =
  17. 17.49 × 4 =
  18. 18.31 × 4 =
  19. 19.41 × 4 =
  20. 20.39 × 4 =
  21. 21.33 × 4 =
  22. 22.47 × 4 =
  23. 23.23 × 4 =
  24. 24.57 × 4 =
  25. 25.29 × 4 =
  26. 26.14 × 4 =
  27. 27.27 × 4 =
  28. 28.48 × 4 =
  29. 29.44 × 4 =
  30. 30.15 × 4 =
  31. 31.20 × 4 =
  32. 32.12 × 4 =
  33. 33.11 × 4 =
  34. 34.10 × 4 =
  35. 35.13 × 4 =
  36. 36.51 × 4 =
  37. 37.28 × 4 =
  38. 38.38 × 4 =
  39. 39.40 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 220
  2. 64
  3. 216
  4. 236
  5. 104
  6. 140
  7. 224
  8. 136
  9. 88
  10. 184
  11. 72
  12. 168
  13. 120
  14. 84
  15. 36
  16. 172
  17. 196
  18. 124
  19. 164
  20. 156
  21. 132
  22. 188
  23. 92
  24. 228
  25. 116
  26. 56
  27. 108
  28. 192
  29. 176
  30. 60
  31. 80
  32. 48
  33. 44
  34. 40
  35. 52
  36. 204
  37. 112
  38. 152
  39. 160
  40. 180

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