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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 310 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.50 × 4 =
  3. 3.25 × 4 =
  4. 4.33 × 4 =
  5. 5.41 × 4 =
  6. 6.34 × 4 =
  7. 7.27 × 4 =
  8. 8.29 × 4 =
  9. 9.7 × 4 =
  10. 10.36 × 4 =
  11. 11.48 × 4 =
  12. 12.10 × 4 =
  13. 13.23 × 4 =
  14. 14.8 × 4 =
  15. 15.39 × 4 =
  16. 16.24 × 4 =
  17. 17.13 × 4 =
  18. 18.47 × 4 =
  19. 19.35 × 4 =
  20. 20.53 × 4 =
  21. 21.43 × 4 =
  22. 22.26 × 4 =
  23. 23.9 × 4 =
  24. 24.55 × 4 =
  25. 25.52 × 4 =
  26. 26.17 × 4 =
  27. 27.32 × 4 =
  28. 28.28 × 4 =
  29. 29.60 × 4 =
  30. 30.42 × 4 =
  31. 31.31 × 4 =
  32. 32.56 × 4 =
  33. 33.20 × 4 =
  34. 34.44 × 4 =
  35. 35.51 × 4 =
  36. 36.38 × 4 =
  37. 37.14 × 4 =
  38. 38.58 × 4 =
  39. 39.46 × 4 =
  40. 40.12 × 4 =

Answer key

  1. 180
  2. 200
  3. 100
  4. 132
  5. 164
  6. 136
  7. 108
  8. 116
  9. 28
  10. 144
  11. 192
  12. 40
  13. 92
  14. 32
  15. 156
  16. 96
  17. 52
  18. 188
  19. 140
  20. 212
  21. 172
  22. 104
  23. 36
  24. 220
  25. 208
  26. 68
  27. 128
  28. 112
  29. 240
  30. 168
  31. 124
  32. 224
  33. 80
  34. 176
  35. 204
  36. 152
  37. 56
  38. 232
  39. 184
  40. 48

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