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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 897 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.52 × 4 =
  3. 3.34 × 4 =
  4. 4.8 × 4 =
  5. 5.9 × 4 =
  6. 6.12 × 4 =
  7. 7.6 × 4 =
  8. 8.24 × 4 =
  9. 9.11 × 4 =
  10. 10.39 × 4 =
  11. 11.59 × 4 =
  12. 12.29 × 4 =
  13. 13.26 × 4 =
  14. 14.7 × 4 =
  15. 15.10 × 4 =
  16. 16.20 × 4 =
  17. 17.44 × 4 =
  18. 18.14 × 4 =
  19. 19.43 × 4 =
  20. 20.16 × 4 =
  21. 21.47 × 4 =
  22. 22.57 × 4 =
  23. 23.25 × 4 =
  24. 24.27 × 4 =
  25. 25.54 × 4 =
  26. 26.42 × 4 =
  27. 27.28 × 4 =
  28. 28.15 × 4 =
  29. 29.21 × 4 =
  30. 30.40 × 4 =
  31. 31.13 × 4 =
  32. 32.55 × 4 =
  33. 33.58 × 4 =
  34. 34.53 × 4 =
  35. 35.60 × 4 =
  36. 36.23 × 4 =
  37. 37.22 × 4 =
  38. 38.49 × 4 =
  39. 39.37 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 120
  2. 208
  3. 136
  4. 32
  5. 36
  6. 48
  7. 24
  8. 96
  9. 44
  10. 156
  11. 236
  12. 116
  13. 104
  14. 28
  15. 40
  16. 80
  17. 176
  18. 56
  19. 172
  20. 64
  21. 188
  22. 228
  23. 100
  24. 108
  25. 216
  26. 168
  27. 112
  28. 60
  29. 84
  30. 160
  31. 52
  32. 220
  33. 232
  34. 212
  35. 240
  36. 92
  37. 88
  38. 196
  39. 148
  40. 192

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