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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 906 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.25 × 4 =
  2. 2.17 × 4 =
  3. 3.50 × 4 =
  4. 4.9 × 4 =
  5. 5.57 × 4 =
  6. 6.15 × 4 =
  7. 7.33 × 4 =
  8. 8.39 × 4 =
  9. 9.12 × 4 =
  10. 10.22 × 4 =
  11. 11.21 × 4 =
  12. 12.49 × 4 =
  13. 13.20 × 4 =
  14. 14.60 × 4 =
  15. 15.29 × 4 =
  16. 16.30 × 4 =
  17. 17.37 × 4 =
  18. 18.32 × 4 =
  19. 19.35 × 4 =
  20. 20.55 × 4 =
  21. 21.47 × 4 =
  22. 22.58 × 4 =
  23. 23.6 × 4 =
  24. 24.36 × 4 =
  25. 25.43 × 4 =
  26. 26.27 × 4 =
  27. 27.10 × 4 =
  28. 28.24 × 4 =
  29. 29.53 × 4 =
  30. 30.16 × 4 =
  31. 31.44 × 4 =
  32. 32.59 × 4 =
  33. 33.46 × 4 =
  34. 34.7 × 4 =
  35. 35.45 × 4 =
  36. 36.23 × 4 =
  37. 37.51 × 4 =
  38. 38.13 × 4 =
  39. 39.52 × 4 =
  40. 40.34 × 4 =

Answer key

  1. 100
  2. 68
  3. 200
  4. 36
  5. 228
  6. 60
  7. 132
  8. 156
  9. 48
  10. 88
  11. 84
  12. 196
  13. 80
  14. 240
  15. 116
  16. 120
  17. 148
  18. 128
  19. 140
  20. 220
  21. 188
  22. 232
  23. 24
  24. 144
  25. 172
  26. 108
  27. 40
  28. 96
  29. 212
  30. 64
  31. 176
  32. 236
  33. 184
  34. 28
  35. 180
  36. 92
  37. 204
  38. 52
  39. 208
  40. 136

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