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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 100 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.32 × 4 =
  2. 2.38 × 4 =
  3. 3.43 × 4 =
  4. 4.11 × 4 =
  5. 5.9 × 4 =
  6. 6.55 × 4 =
  7. 7.6 × 4 =
  8. 8.20 × 4 =
  9. 9.48 × 4 =
  10. 10.10 × 4 =
  11. 11.8 × 4 =
  12. 12.33 × 4 =
  13. 13.22 × 4 =
  14. 14.60 × 4 =
  15. 15.51 × 4 =
  16. 16.14 × 4 =
  17. 17.59 × 4 =
  18. 18.57 × 4 =
  19. 19.21 × 4 =
  20. 20.58 × 4 =
  21. 21.7 × 4 =
  22. 22.25 × 4 =
  23. 23.34 × 4 =
  24. 24.41 × 4 =
  25. 25.28 × 4 =
  26. 26.31 × 4 =
  27. 27.46 × 4 =
  28. 28.15 × 4 =
  29. 29.45 × 4 =
  30. 30.30 × 4 =
  31. 31.54 × 4 =
  32. 32.53 × 4 =
  33. 33.26 × 4 =
  34. 34.18 × 4 =
  35. 35.23 × 4 =
  36. 36.47 × 4 =
  37. 37.50 × 4 =
  38. 38.42 × 4 =
  39. 39.19 × 4 =
  40. 40.12 × 4 =

Answer key

  1. 128
  2. 152
  3. 172
  4. 44
  5. 36
  6. 220
  7. 24
  8. 80
  9. 192
  10. 40
  11. 32
  12. 132
  13. 88
  14. 240
  15. 204
  16. 56
  17. 236
  18. 228
  19. 84
  20. 232
  21. 28
  22. 100
  23. 136
  24. 164
  25. 112
  26. 124
  27. 184
  28. 60
  29. 180
  30. 120
  31. 216
  32. 212
  33. 104
  34. 72
  35. 92
  36. 188
  37. 200
  38. 168
  39. 76
  40. 48

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