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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 265 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.19 × 4 =
  3. 3.34 × 4 =
  4. 4.60 × 4 =
  5. 5.50 × 4 =
  6. 6.26 × 4 =
  7. 7.17 × 4 =
  8. 8.15 × 4 =
  9. 9.23 × 4 =
  10. 10.58 × 4 =
  11. 11.28 × 4 =
  12. 12.18 × 4 =
  13. 13.30 × 4 =
  14. 14.47 × 4 =
  15. 15.51 × 4 =
  16. 16.8 × 4 =
  17. 17.27 × 4 =
  18. 18.42 × 4 =
  19. 19.29 × 4 =
  20. 20.45 × 4 =
  21. 21.43 × 4 =
  22. 22.48 × 4 =
  23. 23.44 × 4 =
  24. 24.16 × 4 =
  25. 25.22 × 4 =
  26. 26.35 × 4 =
  27. 27.24 × 4 =
  28. 28.25 × 4 =
  29. 29.36 × 4 =
  30. 30.52 × 4 =
  31. 31.6 × 4 =
  32. 32.21 × 4 =
  33. 33.14 × 4 =
  34. 34.53 × 4 =
  35. 35.11 × 4 =
  36. 36.9 × 4 =
  37. 37.49 × 4 =
  38. 38.55 × 4 =
  39. 39.12 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 160
  2. 76
  3. 136
  4. 240
  5. 200
  6. 104
  7. 68
  8. 60
  9. 92
  10. 232
  11. 112
  12. 72
  13. 120
  14. 188
  15. 204
  16. 32
  17. 108
  18. 168
  19. 116
  20. 180
  21. 172
  22. 192
  23. 176
  24. 64
  25. 88
  26. 140
  27. 96
  28. 100
  29. 144
  30. 208
  31. 24
  32. 84
  33. 56
  34. 212
  35. 44
  36. 36
  37. 196
  38. 220
  39. 48
  40. 216

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