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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 260 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.14 × 4 =
  2. 2.17 × 4 =
  3. 3.22 × 4 =
  4. 4.35 × 4 =
  5. 5.16 × 4 =
  6. 6.7 × 4 =
  7. 7.46 × 4 =
  8. 8.54 × 4 =
  9. 9.45 × 4 =
  10. 10.41 × 4 =
  11. 11.44 × 4 =
  12. 12.19 × 4 =
  13. 13.33 × 4 =
  14. 14.25 × 4 =
  15. 15.31 × 4 =
  16. 16.9 × 4 =
  17. 17.21 × 4 =
  18. 18.39 × 4 =
  19. 19.51 × 4 =
  20. 20.50 × 4 =
  21. 21.23 × 4 =
  22. 22.48 × 4 =
  23. 23.59 × 4 =
  24. 24.40 × 4 =
  25. 25.20 × 4 =
  26. 26.15 × 4 =
  27. 27.18 × 4 =
  28. 28.52 × 4 =
  29. 29.42 × 4 =
  30. 30.30 × 4 =
  31. 31.43 × 4 =
  32. 32.13 × 4 =
  33. 33.29 × 4 =
  34. 34.57 × 4 =
  35. 35.11 × 4 =
  36. 36.49 × 4 =
  37. 37.38 × 4 =
  38. 38.53 × 4 =
  39. 39.12 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 56
  2. 68
  3. 88
  4. 140
  5. 64
  6. 28
  7. 184
  8. 216
  9. 180
  10. 164
  11. 176
  12. 76
  13. 132
  14. 100
  15. 124
  16. 36
  17. 84
  18. 156
  19. 204
  20. 200
  21. 92
  22. 192
  23. 236
  24. 160
  25. 80
  26. 60
  27. 72
  28. 208
  29. 168
  30. 120
  31. 172
  32. 52
  33. 116
  34. 228
  35. 44
  36. 196
  37. 152
  38. 212
  39. 48
  40. 136

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