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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 880 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.54 × 4 =
  3. 3.31 × 4 =
  4. 4.17 × 4 =
  5. 5.39 × 4 =
  6. 6.44 × 4 =
  7. 7.21 × 4 =
  8. 8.41 × 4 =
  9. 9.12 × 4 =
  10. 10.34 × 4 =
  11. 11.40 × 4 =
  12. 12.15 × 4 =
  13. 13.6 × 4 =
  14. 14.30 × 4 =
  15. 15.45 × 4 =
  16. 16.38 × 4 =
  17. 17.55 × 4 =
  18. 18.47 × 4 =
  19. 19.8 × 4 =
  20. 20.56 × 4 =
  21. 21.25 × 4 =
  22. 22.36 × 4 =
  23. 23.20 × 4 =
  24. 24.10 × 4 =
  25. 25.35 × 4 =
  26. 26.27 × 4 =
  27. 27.32 × 4 =
  28. 28.51 × 4 =
  29. 29.14 × 4 =
  30. 30.22 × 4 =
  31. 31.7 × 4 =
  32. 32.23 × 4 =
  33. 33.33 × 4 =
  34. 34.48 × 4 =
  35. 35.37 × 4 =
  36. 36.29 × 4 =
  37. 37.13 × 4 =
  38. 38.18 × 4 =
  39. 39.57 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 64
  2. 216
  3. 124
  4. 68
  5. 156
  6. 176
  7. 84
  8. 164
  9. 48
  10. 136
  11. 160
  12. 60
  13. 24
  14. 120
  15. 180
  16. 152
  17. 220
  18. 188
  19. 32
  20. 224
  21. 100
  22. 144
  23. 80
  24. 40
  25. 140
  26. 108
  27. 128
  28. 204
  29. 56
  30. 88
  31. 28
  32. 92
  33. 132
  34. 192
  35. 148
  36. 116
  37. 52
  38. 72
  39. 228
  40. 172

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