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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 430 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.28 × 4 =
  2. 2.18 × 4 =
  3. 3.11 × 4 =
  4. 4.6 × 4 =
  5. 5.55 × 4 =
  6. 6.21 × 4 =
  7. 7.8 × 4 =
  8. 8.59 × 4 =
  9. 9.53 × 4 =
  10. 10.30 × 4 =
  11. 11.12 × 4 =
  12. 12.27 × 4 =
  13. 13.58 × 4 =
  14. 14.7 × 4 =
  15. 15.26 × 4 =
  16. 16.15 × 4 =
  17. 17.20 × 4 =
  18. 18.35 × 4 =
  19. 19.41 × 4 =
  20. 20.24 × 4 =
  21. 21.51 × 4 =
  22. 22.45 × 4 =
  23. 23.44 × 4 =
  24. 24.38 × 4 =
  25. 25.17 × 4 =
  26. 26.39 × 4 =
  27. 27.49 × 4 =
  28. 28.37 × 4 =
  29. 29.47 × 4 =
  30. 30.60 × 4 =
  31. 31.16 × 4 =
  32. 32.56 × 4 =
  33. 33.9 × 4 =
  34. 34.13 × 4 =
  35. 35.34 × 4 =
  36. 36.48 × 4 =
  37. 37.43 × 4 =
  38. 38.50 × 4 =
  39. 39.46 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 112
  2. 72
  3. 44
  4. 24
  5. 220
  6. 84
  7. 32
  8. 236
  9. 212
  10. 120
  11. 48
  12. 108
  13. 232
  14. 28
  15. 104
  16. 60
  17. 80
  18. 140
  19. 164
  20. 96
  21. 204
  22. 180
  23. 176
  24. 152
  25. 68
  26. 156
  27. 196
  28. 148
  29. 188
  30. 240
  31. 64
  32. 224
  33. 36
  34. 52
  35. 136
  36. 192
  37. 172
  38. 200
  39. 184
  40. 168

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