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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 46 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.11 × 4 =
  2. 2.8 × 4 =
  3. 3.55 × 4 =
  4. 4.23 × 4 =
  5. 5.25 × 4 =
  6. 6.38 × 4 =
  7. 7.58 × 4 =
  8. 8.30 × 4 =
  9. 9.19 × 4 =
  10. 10.20 × 4 =
  11. 11.27 × 4 =
  12. 12.37 × 4 =
  13. 13.34 × 4 =
  14. 14.40 × 4 =
  15. 15.14 × 4 =
  16. 16.13 × 4 =
  17. 17.52 × 4 =
  18. 18.18 × 4 =
  19. 19.21 × 4 =
  20. 20.49 × 4 =
  21. 21.57 × 4 =
  22. 22.54 × 4 =
  23. 23.45 × 4 =
  24. 24.16 × 4 =
  25. 25.47 × 4 =
  26. 26.51 × 4 =
  27. 27.53 × 4 =
  28. 28.12 × 4 =
  29. 29.56 × 4 =
  30. 30.9 × 4 =
  31. 31.31 × 4 =
  32. 32.44 × 4 =
  33. 33.6 × 4 =
  34. 34.48 × 4 =
  35. 35.15 × 4 =
  36. 36.39 × 4 =
  37. 37.10 × 4 =
  38. 38.28 × 4 =
  39. 39.43 × 4 =
  40. 40.46 × 4 =

Answer key

  1. 44
  2. 32
  3. 220
  4. 92
  5. 100
  6. 152
  7. 232
  8. 120
  9. 76
  10. 80
  11. 108
  12. 148
  13. 136
  14. 160
  15. 56
  16. 52
  17. 208
  18. 72
  19. 84
  20. 196
  21. 228
  22. 216
  23. 180
  24. 64
  25. 188
  26. 204
  27. 212
  28. 48
  29. 224
  30. 36
  31. 124
  32. 176
  33. 24
  34. 192
  35. 60
  36. 156
  37. 40
  38. 112
  39. 172
  40. 184

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