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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 340 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.21 × 4 =
  3. 3.19 × 4 =
  4. 4.18 × 4 =
  5. 5.46 × 4 =
  6. 6.36 × 4 =
  7. 7.28 × 4 =
  8. 8.23 × 4 =
  9. 9.50 × 4 =
  10. 10.51 × 4 =
  11. 11.14 × 4 =
  12. 12.24 × 4 =
  13. 13.30 × 4 =
  14. 14.26 × 4 =
  15. 15.12 × 4 =
  16. 16.10 × 4 =
  17. 17.7 × 4 =
  18. 18.35 × 4 =
  19. 19.15 × 4 =
  20. 20.45 × 4 =
  21. 21.55 × 4 =
  22. 22.48 × 4 =
  23. 23.44 × 4 =
  24. 24.43 × 4 =
  25. 25.17 × 4 =
  26. 26.16 × 4 =
  27. 27.39 × 4 =
  28. 28.31 × 4 =
  29. 29.22 × 4 =
  30. 30.9 × 4 =
  31. 31.41 × 4 =
  32. 32.38 × 4 =
  33. 33.6 × 4 =
  34. 34.37 × 4 =
  35. 35.40 × 4 =
  36. 36.53 × 4 =
  37. 37.33 × 4 =
  38. 38.34 × 4 =
  39. 39.59 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 224
  2. 84
  3. 76
  4. 72
  5. 184
  6. 144
  7. 112
  8. 92
  9. 200
  10. 204
  11. 56
  12. 96
  13. 120
  14. 104
  15. 48
  16. 40
  17. 28
  18. 140
  19. 60
  20. 180
  21. 220
  22. 192
  23. 176
  24. 172
  25. 68
  26. 64
  27. 156
  28. 124
  29. 88
  30. 36
  31. 164
  32. 152
  33. 24
  34. 148
  35. 160
  36. 212
  37. 132
  38. 136
  39. 236
  40. 108

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