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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 641 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.46 × 4 =
  2. 2.49 × 4 =
  3. 3.7 × 4 =
  4. 4.21 × 4 =
  5. 5.6 × 4 =
  6. 6.35 × 4 =
  7. 7.51 × 4 =
  8. 8.34 × 4 =
  9. 9.22 × 4 =
  10. 10.26 × 4 =
  11. 11.17 × 4 =
  12. 12.29 × 4 =
  13. 13.55 × 4 =
  14. 14.16 × 4 =
  15. 15.8 × 4 =
  16. 16.32 × 4 =
  17. 17.56 × 4 =
  18. 18.11 × 4 =
  19. 19.53 × 4 =
  20. 20.13 × 4 =
  21. 21.38 × 4 =
  22. 22.40 × 4 =
  23. 23.60 × 4 =
  24. 24.52 × 4 =
  25. 25.37 × 4 =
  26. 26.24 × 4 =
  27. 27.27 × 4 =
  28. 28.18 × 4 =
  29. 29.31 × 4 =
  30. 30.25 × 4 =
  31. 31.33 × 4 =
  32. 32.43 × 4 =
  33. 33.54 × 4 =
  34. 34.57 × 4 =
  35. 35.44 × 4 =
  36. 36.15 × 4 =
  37. 37.59 × 4 =
  38. 38.39 × 4 =
  39. 39.41 × 4 =
  40. 40.50 × 4 =

Answer key

  1. 184
  2. 196
  3. 28
  4. 84
  5. 24
  6. 140
  7. 204
  8. 136
  9. 88
  10. 104
  11. 68
  12. 116
  13. 220
  14. 64
  15. 32
  16. 128
  17. 224
  18. 44
  19. 212
  20. 52
  21. 152
  22. 160
  23. 240
  24. 208
  25. 148
  26. 96
  27. 108
  28. 72
  29. 124
  30. 100
  31. 132
  32. 172
  33. 216
  34. 228
  35. 176
  36. 60
  37. 236
  38. 156
  39. 164
  40. 200

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