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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 885 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.55 × 4 =
  3. 3.41 × 4 =
  4. 4.9 × 4 =
  5. 5.20 × 4 =
  6. 6.32 × 4 =
  7. 7.8 × 4 =
  8. 8.25 × 4 =
  9. 9.34 × 4 =
  10. 10.57 × 4 =
  11. 11.39 × 4 =
  12. 12.15 × 4 =
  13. 13.35 × 4 =
  14. 14.50 × 4 =
  15. 15.45 × 4 =
  16. 16.7 × 4 =
  17. 17.11 × 4 =
  18. 18.58 × 4 =
  19. 19.43 × 4 =
  20. 20.47 × 4 =
  21. 21.37 × 4 =
  22. 22.10 × 4 =
  23. 23.49 × 4 =
  24. 24.30 × 4 =
  25. 25.56 × 4 =
  26. 26.21 × 4 =
  27. 27.28 × 4 =
  28. 28.33 × 4 =
  29. 29.29 × 4 =
  30. 30.44 × 4 =
  31. 31.12 × 4 =
  32. 32.52 × 4 =
  33. 33.23 × 4 =
  34. 34.53 × 4 =
  35. 35.59 × 4 =
  36. 36.18 × 4 =
  37. 37.31 × 4 =
  38. 38.60 × 4 =
  39. 39.22 × 4 =
  40. 40.51 × 4 =

Answer key

  1. 24
  2. 220
  3. 164
  4. 36
  5. 80
  6. 128
  7. 32
  8. 100
  9. 136
  10. 228
  11. 156
  12. 60
  13. 140
  14. 200
  15. 180
  16. 28
  17. 44
  18. 232
  19. 172
  20. 188
  21. 148
  22. 40
  23. 196
  24. 120
  25. 224
  26. 84
  27. 112
  28. 132
  29. 116
  30. 176
  31. 48
  32. 208
  33. 92
  34. 212
  35. 236
  36. 72
  37. 124
  38. 240
  39. 88
  40. 204

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