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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 302 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.48 × 4 =
  2. 2.11 × 4 =
  3. 3.25 × 4 =
  4. 4.56 × 4 =
  5. 5.60 × 4 =
  6. 6.43 × 4 =
  7. 7.44 × 4 =
  8. 8.34 × 4 =
  9. 9.20 × 4 =
  10. 10.7 × 4 =
  11. 11.22 × 4 =
  12. 12.59 × 4 =
  13. 13.15 × 4 =
  14. 14.53 × 4 =
  15. 15.57 × 4 =
  16. 16.54 × 4 =
  17. 17.52 × 4 =
  18. 18.55 × 4 =
  19. 19.49 × 4 =
  20. 20.14 × 4 =
  21. 21.36 × 4 =
  22. 22.29 × 4 =
  23. 23.9 × 4 =
  24. 24.23 × 4 =
  25. 25.47 × 4 =
  26. 26.6 × 4 =
  27. 27.58 × 4 =
  28. 28.8 × 4 =
  29. 29.46 × 4 =
  30. 30.27 × 4 =
  31. 31.26 × 4 =
  32. 32.10 × 4 =
  33. 33.51 × 4 =
  34. 34.35 × 4 =
  35. 35.38 × 4 =
  36. 36.19 × 4 =
  37. 37.37 × 4 =
  38. 38.21 × 4 =
  39. 39.40 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 192
  2. 44
  3. 100
  4. 224
  5. 240
  6. 172
  7. 176
  8. 136
  9. 80
  10. 28
  11. 88
  12. 236
  13. 60
  14. 212
  15. 228
  16. 216
  17. 208
  18. 220
  19. 196
  20. 56
  21. 144
  22. 116
  23. 36
  24. 92
  25. 188
  26. 24
  27. 232
  28. 32
  29. 184
  30. 108
  31. 104
  32. 40
  33. 204
  34. 140
  35. 152
  36. 76
  37. 148
  38. 84
  39. 160
  40. 68

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