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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 547 · 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. 2.23 × 4 =
  3. 3.12 × 4 =
  4. 4.38 × 4 =
  5. 5.20 × 4 =
  6. 6.58 × 4 =
  7. 7.55 × 4 =
  8. 8.7 × 4 =
  9. 9.22 × 4 =
  10. 10.40 × 4 =
  11. 11.35 × 4 =
  12. 12.18 × 4 =
  13. 13.33 × 4 =
  14. 14.57 × 4 =
  15. 15.21 × 4 =
  16. 16.53 × 4 =
  17. 17.50 × 4 =
  18. 18.36 × 4 =
  19. 19.59 × 4 =
  20. 20.54 × 4 =
  21. 21.34 × 4 =
  22. 22.30 × 4 =
  23. 23.14 × 4 =
  24. 24.19 × 4 =
  25. 25.39 × 4 =
  26. 26.6 × 4 =
  27. 27.56 × 4 =
  28. 28.8 × 4 =
  29. 29.51 × 4 =
  30. 30.26 × 4 =
  31. 31.43 × 4 =
  32. 32.44 × 4 =
  33. 33.28 × 4 =
  34. 34.29 × 4 =
  35. 35.41 × 4 =
  36. 36.15 × 4 =
  37. 37.25 × 4 =
  38. 38.16 × 4 =
  39. 39.10 × 4 =
  40. 40.9 × 4 =

Answer key

  1. 180
  2. 92
  3. 48
  4. 152
  5. 80
  6. 232
  7. 220
  8. 28
  9. 88
  10. 160
  11. 140
  12. 72
  13. 132
  14. 228
  15. 84
  16. 212
  17. 200
  18. 144
  19. 236
  20. 216
  21. 136
  22. 120
  23. 56
  24. 76
  25. 156
  26. 24
  27. 224
  28. 32
  29. 204
  30. 104
  31. 172
  32. 176
  33. 112
  34. 116
  35. 164
  36. 60
  37. 100
  38. 64
  39. 40
  40. 36

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