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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 686 · 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. 2.35 × 4 =
  3. 3.30 × 4 =
  4. 4.16 × 4 =
  5. 5.29 × 4 =
  6. 6.25 × 4 =
  7. 7.48 × 4 =
  8. 8.14 × 4 =
  9. 9.27 × 4 =
  10. 10.10 × 4 =
  11. 11.59 × 4 =
  12. 12.36 × 4 =
  13. 13.22 × 4 =
  14. 14.56 × 4 =
  15. 15.54 × 4 =
  16. 16.6 × 4 =
  17. 17.41 × 4 =
  18. 18.28 × 4 =
  19. 19.40 × 4 =
  20. 20.46 × 4 =
  21. 21.33 × 4 =
  22. 22.26 × 4 =
  23. 23.17 × 4 =
  24. 24.52 × 4 =
  25. 25.18 × 4 =
  26. 26.38 × 4 =
  27. 27.60 × 4 =
  28. 28.7 × 4 =
  29. 29.21 × 4 =
  30. 30.55 × 4 =
  31. 31.34 × 4 =
  32. 32.20 × 4 =
  33. 33.42 × 4 =
  34. 34.43 × 4 =
  35. 35.57 × 4 =
  36. 36.37 × 4 =
  37. 37.11 × 4 =
  38. 38.32 × 4 =
  39. 39.9 × 4 =
  40. 40.49 × 4 =

Answer key

  1. 32
  2. 140
  3. 120
  4. 64
  5. 116
  6. 100
  7. 192
  8. 56
  9. 108
  10. 40
  11. 236
  12. 144
  13. 88
  14. 224
  15. 216
  16. 24
  17. 164
  18. 112
  19. 160
  20. 184
  21. 132
  22. 104
  23. 68
  24. 208
  25. 72
  26. 152
  27. 240
  28. 28
  29. 84
  30. 220
  31. 136
  32. 80
  33. 168
  34. 172
  35. 228
  36. 148
  37. 44
  38. 128
  39. 36
  40. 196

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