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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 678 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.51 × 4 =
  2. 2.49 × 4 =
  3. 3.13 × 4 =
  4. 4.41 × 4 =
  5. 5.30 × 4 =
  6. 6.27 × 4 =
  7. 7.32 × 4 =
  8. 8.20 × 4 =
  9. 9.6 × 4 =
  10. 10.52 × 4 =
  11. 11.58 × 4 =
  12. 12.18 × 4 =
  13. 13.19 × 4 =
  14. 14.42 × 4 =
  15. 15.12 × 4 =
  16. 16.11 × 4 =
  17. 17.28 × 4 =
  18. 18.15 × 4 =
  19. 19.40 × 4 =
  20. 20.17 × 4 =
  21. 21.21 × 4 =
  22. 22.14 × 4 =
  23. 23.8 × 4 =
  24. 24.45 × 4 =
  25. 25.39 × 4 =
  26. 26.16 × 4 =
  27. 27.55 × 4 =
  28. 28.24 × 4 =
  29. 29.38 × 4 =
  30. 30.23 × 4 =
  31. 31.50 × 4 =
  32. 32.7 × 4 =
  33. 33.56 × 4 =
  34. 34.46 × 4 =
  35. 35.54 × 4 =
  36. 36.25 × 4 =
  37. 37.44 × 4 =
  38. 38.33 × 4 =
  39. 39.10 × 4 =
  40. 40.59 × 4 =

Answer key

  1. 204
  2. 196
  3. 52
  4. 164
  5. 120
  6. 108
  7. 128
  8. 80
  9. 24
  10. 208
  11. 232
  12. 72
  13. 76
  14. 168
  15. 48
  16. 44
  17. 112
  18. 60
  19. 160
  20. 68
  21. 84
  22. 56
  23. 32
  24. 180
  25. 156
  26. 64
  27. 220
  28. 96
  29. 152
  30. 92
  31. 200
  32. 28
  33. 224
  34. 184
  35. 216
  36. 100
  37. 176
  38. 132
  39. 40
  40. 236

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