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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 468 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.55 × 4 =
  2. 2.25 × 4 =
  3. 3.38 × 4 =
  4. 4.49 × 4 =
  5. 5.16 × 4 =
  6. 6.21 × 4 =
  7. 7.27 × 4 =
  8. 8.34 × 4 =
  9. 9.40 × 4 =
  10. 10.6 × 4 =
  11. 11.26 × 4 =
  12. 12.50 × 4 =
  13. 13.45 × 4 =
  14. 14.33 × 4 =
  15. 15.41 × 4 =
  16. 16.20 × 4 =
  17. 17.18 × 4 =
  18. 18.8 × 4 =
  19. 19.13 × 4 =
  20. 20.52 × 4 =
  21. 21.44 × 4 =
  22. 22.15 × 4 =
  23. 23.14 × 4 =
  24. 24.10 × 4 =
  25. 25.46 × 4 =
  26. 26.30 × 4 =
  27. 27.9 × 4 =
  28. 28.57 × 4 =
  29. 29.48 × 4 =
  30. 30.11 × 4 =
  31. 31.19 × 4 =
  32. 32.60 × 4 =
  33. 33.36 × 4 =
  34. 34.22 × 4 =
  35. 35.42 × 4 =
  36. 36.32 × 4 =
  37. 37.28 × 4 =
  38. 38.56 × 4 =
  39. 39.12 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 220
  2. 100
  3. 152
  4. 196
  5. 64
  6. 84
  7. 108
  8. 136
  9. 160
  10. 24
  11. 104
  12. 200
  13. 180
  14. 132
  15. 164
  16. 80
  17. 72
  18. 32
  19. 52
  20. 208
  21. 176
  22. 60
  23. 56
  24. 40
  25. 184
  26. 120
  27. 36
  28. 228
  29. 192
  30. 44
  31. 76
  32. 240
  33. 144
  34. 88
  35. 168
  36. 128
  37. 112
  38. 224
  39. 48
  40. 216

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