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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 646 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.18 × 4 =
  2. 2.51 × 4 =
  3. 3.22 × 4 =
  4. 4.11 × 4 =
  5. 5.9 × 4 =
  6. 6.35 × 4 =
  7. 7.34 × 4 =
  8. 8.54 × 4 =
  9. 9.42 × 4 =
  10. 10.28 × 4 =
  11. 11.12 × 4 =
  12. 12.23 × 4 =
  13. 13.41 × 4 =
  14. 14.31 × 4 =
  15. 15.16 × 4 =
  16. 16.7 × 4 =
  17. 17.46 × 4 =
  18. 18.20 × 4 =
  19. 19.45 × 4 =
  20. 20.47 × 4 =
  21. 21.10 × 4 =
  22. 22.6 × 4 =
  23. 23.32 × 4 =
  24. 24.29 × 4 =
  25. 25.39 × 4 =
  26. 26.33 × 4 =
  27. 27.50 × 4 =
  28. 28.60 × 4 =
  29. 29.49 × 4 =
  30. 30.13 × 4 =
  31. 31.24 × 4 =
  32. 32.17 × 4 =
  33. 33.36 × 4 =
  34. 34.43 × 4 =
  35. 35.15 × 4 =
  36. 36.56 × 4 =
  37. 37.58 × 4 =
  38. 38.8 × 4 =
  39. 39.37 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 72
  2. 204
  3. 88
  4. 44
  5. 36
  6. 140
  7. 136
  8. 216
  9. 168
  10. 112
  11. 48
  12. 92
  13. 164
  14. 124
  15. 64
  16. 28
  17. 184
  18. 80
  19. 180
  20. 188
  21. 40
  22. 24
  23. 128
  24. 116
  25. 156
  26. 132
  27. 200
  28. 240
  29. 196
  30. 52
  31. 96
  32. 68
  33. 144
  34. 172
  35. 60
  36. 224
  37. 232
  38. 32
  39. 148
  40. 100

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