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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 830 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.57 × 4 =
  2. 2.29 × 4 =
  3. 3.13 × 4 =
  4. 4.26 × 4 =
  5. 5.23 × 4 =
  6. 6.55 × 4 =
  7. 7.21 × 4 =
  8. 8.43 × 4 =
  9. 9.59 × 4 =
  10. 10.30 × 4 =
  11. 11.19 × 4 =
  12. 12.40 × 4 =
  13. 13.7 × 4 =
  14. 14.25 × 4 =
  15. 15.41 × 4 =
  16. 16.15 × 4 =
  17. 17.33 × 4 =
  18. 18.10 × 4 =
  19. 19.34 × 4 =
  20. 20.39 × 4 =
  21. 21.42 × 4 =
  22. 22.45 × 4 =
  23. 23.53 × 4 =
  24. 24.52 × 4 =
  25. 25.56 × 4 =
  26. 26.54 × 4 =
  27. 27.9 × 4 =
  28. 28.14 × 4 =
  29. 29.12 × 4 =
  30. 30.38 × 4 =
  31. 31.18 × 4 =
  32. 32.50 × 4 =
  33. 33.8 × 4 =
  34. 34.49 × 4 =
  35. 35.51 × 4 =
  36. 36.28 × 4 =
  37. 37.20 × 4 =
  38. 38.32 × 4 =
  39. 39.22 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 228
  2. 116
  3. 52
  4. 104
  5. 92
  6. 220
  7. 84
  8. 172
  9. 236
  10. 120
  11. 76
  12. 160
  13. 28
  14. 100
  15. 164
  16. 60
  17. 132
  18. 40
  19. 136
  20. 156
  21. 168
  22. 180
  23. 212
  24. 208
  25. 224
  26. 216
  27. 36
  28. 56
  29. 48
  30. 152
  31. 72
  32. 200
  33. 32
  34. 196
  35. 204
  36. 112
  37. 80
  38. 128
  39. 88
  40. 188

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