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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 580 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.42 × 4 =
  3. 3.19 × 4 =
  4. 4.23 × 4 =
  5. 5.50 × 4 =
  6. 6.40 × 4 =
  7. 7.55 × 4 =
  8. 8.49 × 4 =
  9. 9.32 × 4 =
  10. 10.7 × 4 =
  11. 11.25 × 4 =
  12. 12.29 × 4 =
  13. 13.20 × 4 =
  14. 14.51 × 4 =
  15. 15.31 × 4 =
  16. 16.53 × 4 =
  17. 17.27 × 4 =
  18. 18.41 × 4 =
  19. 19.48 × 4 =
  20. 20.6 × 4 =
  21. 21.9 × 4 =
  22. 22.39 × 4 =
  23. 23.11 × 4 =
  24. 24.12 × 4 =
  25. 25.57 × 4 =
  26. 26.58 × 4 =
  27. 27.45 × 4 =
  28. 28.56 × 4 =
  29. 29.26 × 4 =
  30. 30.33 × 4 =
  31. 31.13 × 4 =
  32. 32.8 × 4 =
  33. 33.54 × 4 =
  34. 34.44 × 4 =
  35. 35.37 × 4 =
  36. 36.30 × 4 =
  37. 37.52 × 4 =
  38. 38.21 × 4 =
  39. 39.22 × 4 =
  40. 40.36 × 4 =

Answer key

  1. 172
  2. 168
  3. 76
  4. 92
  5. 200
  6. 160
  7. 220
  8. 196
  9. 128
  10. 28
  11. 100
  12. 116
  13. 80
  14. 204
  15. 124
  16. 212
  17. 108
  18. 164
  19. 192
  20. 24
  21. 36
  22. 156
  23. 44
  24. 48
  25. 228
  26. 232
  27. 180
  28. 224
  29. 104
  30. 132
  31. 52
  32. 32
  33. 216
  34. 176
  35. 148
  36. 120
  37. 208
  38. 84
  39. 88
  40. 144

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