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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 558 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.8 × 4 =
  2. 2.10 × 4 =
  3. 3.34 × 4 =
  4. 4.49 × 4 =
  5. 5.41 × 4 =
  6. 6.42 × 4 =
  7. 7.39 × 4 =
  8. 8.36 × 4 =
  9. 9.18 × 4 =
  10. 10.60 × 4 =
  11. 11.23 × 4 =
  12. 12.33 × 4 =
  13. 13.31 × 4 =
  14. 14.9 × 4 =
  15. 15.21 × 4 =
  16. 16.7 × 4 =
  17. 17.19 × 4 =
  18. 18.6 × 4 =
  19. 19.44 × 4 =
  20. 20.57 × 4 =
  21. 21.13 × 4 =
  22. 22.28 × 4 =
  23. 23.37 × 4 =
  24. 24.20 × 4 =
  25. 25.50 × 4 =
  26. 26.55 × 4 =
  27. 27.17 × 4 =
  28. 28.52 × 4 =
  29. 29.35 × 4 =
  30. 30.14 × 4 =
  31. 31.26 × 4 =
  32. 32.11 × 4 =
  33. 33.53 × 4 =
  34. 34.54 × 4 =
  35. 35.25 × 4 =
  36. 36.29 × 4 =
  37. 37.43 × 4 =
  38. 38.47 × 4 =
  39. 39.38 × 4 =
  40. 40.45 × 4 =

Answer key

  1. 32
  2. 40
  3. 136
  4. 196
  5. 164
  6. 168
  7. 156
  8. 144
  9. 72
  10. 240
  11. 92
  12. 132
  13. 124
  14. 36
  15. 84
  16. 28
  17. 76
  18. 24
  19. 176
  20. 228
  21. 52
  22. 112
  23. 148
  24. 80
  25. 200
  26. 220
  27. 68
  28. 208
  29. 140
  30. 56
  31. 104
  32. 44
  33. 212
  34. 216
  35. 100
  36. 116
  37. 172
  38. 188
  39. 152
  40. 180

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