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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 804 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.37 × 4 =
  3. 3.38 × 4 =
  4. 4.53 × 4 =
  5. 5.17 × 4 =
  6. 6.9 × 4 =
  7. 7.6 × 4 =
  8. 8.13 × 4 =
  9. 9.16 × 4 =
  10. 10.18 × 4 =
  11. 11.19 × 4 =
  12. 12.48 × 4 =
  13. 13.52 × 4 =
  14. 14.32 × 4 =
  15. 15.50 × 4 =
  16. 16.22 × 4 =
  17. 17.56 × 4 =
  18. 18.58 × 4 =
  19. 19.43 × 4 =
  20. 20.20 × 4 =
  21. 21.39 × 4 =
  22. 22.36 × 4 =
  23. 23.57 × 4 =
  24. 24.45 × 4 =
  25. 25.41 × 4 =
  26. 26.14 × 4 =
  27. 27.60 × 4 =
  28. 28.42 × 4 =
  29. 29.24 × 4 =
  30. 30.21 × 4 =
  31. 31.55 × 4 =
  32. 32.15 × 4 =
  33. 33.47 × 4 =
  34. 34.12 × 4 =
  35. 35.26 × 4 =
  36. 36.51 × 4 =
  37. 37.29 × 4 =
  38. 38.35 × 4 =
  39. 39.23 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 28
  2. 148
  3. 152
  4. 212
  5. 68
  6. 36
  7. 24
  8. 52
  9. 64
  10. 72
  11. 76
  12. 192
  13. 208
  14. 128
  15. 200
  16. 88
  17. 224
  18. 232
  19. 172
  20. 80
  21. 156
  22. 144
  23. 228
  24. 180
  25. 164
  26. 56
  27. 240
  28. 168
  29. 96
  30. 84
  31. 220
  32. 60
  33. 188
  34. 48
  35. 104
  36. 204
  37. 116
  38. 140
  39. 92
  40. 236

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