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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 940 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.38 × 4 =
  3. 3.8 × 4 =
  4. 4.23 × 4 =
  5. 5.40 × 4 =
  6. 6.14 × 4 =
  7. 7.9 × 4 =
  8. 8.41 × 4 =
  9. 9.57 × 4 =
  10. 10.25 × 4 =
  11. 11.13 × 4 =
  12. 12.18 × 4 =
  13. 13.16 × 4 =
  14. 14.7 × 4 =
  15. 15.46 × 4 =
  16. 16.10 × 4 =
  17. 17.37 × 4 =
  18. 18.60 × 4 =
  19. 19.24 × 4 =
  20. 20.19 × 4 =
  21. 21.39 × 4 =
  22. 22.21 × 4 =
  23. 23.17 × 4 =
  24. 24.33 × 4 =
  25. 25.47 × 4 =
  26. 26.45 × 4 =
  27. 27.47 × 4 =
  28. 28.58 × 4 =
  29. 29.51 × 4 =
  30. 30.32 × 4 =
  31. 31.53 × 4 =
  32. 32.34 × 4 =
  33. 33.26 × 4 =
  34. 34.6 × 4 =
  35. 35.43 × 4 =
  36. 36.49 × 4 =
  37. 37.54 × 4 =
  38. 38.22 × 4 =
  39. 39.29 × 4 =
  40. 40.20 × 4 =

Answer key

  1. 192
  2. 152
  3. 32
  4. 92
  5. 160
  6. 56
  7. 36
  8. 164
  9. 228
  10. 100
  11. 52
  12. 72
  13. 64
  14. 28
  15. 184
  16. 40
  17. 148
  18. 240
  19. 96
  20. 76
  21. 156
  22. 84
  23. 68
  24. 132
  25. 188
  26. 180
  27. 188
  28. 232
  29. 204
  30. 128
  31. 212
  32. 136
  33. 104
  34. 24
  35. 172
  36. 196
  37. 216
  38. 88
  39. 116
  40. 80

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