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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 829 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.10 × 4 =
  2. 2.36 × 4 =
  3. 3.7 × 4 =
  4. 4.17 × 4 =
  5. 5.51 × 4 =
  6. 6.43 × 4 =
  7. 7.58 × 4 =
  8. 8.38 × 4 =
  9. 9.19 × 4 =
  10. 10.45 × 4 =
  11. 11.28 × 4 =
  12. 12.40 × 4 =
  13. 13.60 × 4 =
  14. 14.23 × 4 =
  15. 15.56 × 4 =
  16. 16.15 × 4 =
  17. 17.6 × 4 =
  18. 18.37 × 4 =
  19. 19.44 × 4 =
  20. 20.55 × 4 =
  21. 21.53 × 4 =
  22. 22.16 × 4 =
  23. 23.52 × 4 =
  24. 24.22 × 4 =
  25. 25.46 × 4 =
  26. 26.42 × 4 =
  27. 27.33 × 4 =
  28. 28.21 × 4 =
  29. 29.41 × 4 =
  30. 30.54 × 4 =
  31. 31.9 × 4 =
  32. 32.11 × 4 =
  33. 33.26 × 4 =
  34. 34.8 × 4 =
  35. 35.47 × 4 =
  36. 36.27 × 4 =
  37. 37.48 × 4 =
  38. 38.12 × 4 =
  39. 39.34 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 40
  2. 144
  3. 28
  4. 68
  5. 204
  6. 172
  7. 232
  8. 152
  9. 76
  10. 180
  11. 112
  12. 160
  13. 240
  14. 92
  15. 224
  16. 60
  17. 24
  18. 148
  19. 176
  20. 220
  21. 212
  22. 64
  23. 208
  24. 88
  25. 184
  26. 168
  27. 132
  28. 84
  29. 164
  30. 216
  31. 36
  32. 44
  33. 104
  34. 32
  35. 188
  36. 108
  37. 192
  38. 48
  39. 136
  40. 140

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