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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 50 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.27 × 4 =
  3. 3.47 × 4 =
  4. 4.9 × 4 =
  5. 5.23 × 4 =
  6. 6.51 × 4 =
  7. 7.42 × 4 =
  8. 8.55 × 4 =
  9. 9.30 × 4 =
  10. 10.20 × 4 =
  11. 11.35 × 4 =
  12. 12.12 × 4 =
  13. 13.40 × 4 =
  14. 14.28 × 4 =
  15. 15.32 × 4 =
  16. 16.24 × 4 =
  17. 17.7 × 4 =
  18. 18.38 × 4 =
  19. 19.8 × 4 =
  20. 20.45 × 4 =
  21. 21.41 × 4 =
  22. 22.36 × 4 =
  23. 23.37 × 4 =
  24. 24.39 × 4 =
  25. 25.34 × 4 =
  26. 26.17 × 4 =
  27. 27.6 × 4 =
  28. 28.60 × 4 =
  29. 29.48 × 4 =
  30. 30.58 × 4 =
  31. 31.56 × 4 =
  32. 32.49 × 4 =
  33. 33.10 × 4 =
  34. 34.31 × 4 =
  35. 35.26 × 4 =
  36. 36.29 × 4 =
  37. 37.44 × 4 =
  38. 38.25 × 4 =
  39. 39.19 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 172
  2. 108
  3. 188
  4. 36
  5. 92
  6. 204
  7. 168
  8. 220
  9. 120
  10. 80
  11. 140
  12. 48
  13. 160
  14. 112
  15. 128
  16. 96
  17. 28
  18. 152
  19. 32
  20. 180
  21. 164
  22. 144
  23. 148
  24. 156
  25. 136
  26. 68
  27. 24
  28. 240
  29. 192
  30. 232
  31. 224
  32. 196
  33. 40
  34. 124
  35. 104
  36. 116
  37. 176
  38. 100
  39. 76
  40. 56

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