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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 142 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.23 × 4 =
  2. 2.48 × 4 =
  3. 3.59 × 4 =
  4. 4.21 × 4 =
  5. 5.44 × 4 =
  6. 6.8 × 4 =
  7. 7.7 × 4 =
  8. 8.34 × 4 =
  9. 9.38 × 4 =
  10. 10.58 × 4 =
  11. 11.19 × 4 =
  12. 12.26 × 4 =
  13. 13.37 × 4 =
  14. 14.29 × 4 =
  15. 15.22 × 4 =
  16. 16.36 × 4 =
  17. 17.31 × 4 =
  18. 18.12 × 4 =
  19. 19.55 × 4 =
  20. 20.18 × 4 =
  21. 21.45 × 4 =
  22. 22.9 × 4 =
  23. 23.54 × 4 =
  24. 24.49 × 4 =
  25. 25.25 × 4 =
  26. 26.10 × 4 =
  27. 27.28 × 4 =
  28. 28.43 × 4 =
  29. 29.52 × 4 =
  30. 30.6 × 4 =
  31. 31.32 × 4 =
  32. 32.11 × 4 =
  33. 33.42 × 4 =
  34. 34.16 × 4 =
  35. 35.14 × 4 =
  36. 36.46 × 4 =
  37. 37.35 × 4 =
  38. 38.27 × 4 =
  39. 39.50 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 92
  2. 192
  3. 236
  4. 84
  5. 176
  6. 32
  7. 28
  8. 136
  9. 152
  10. 232
  11. 76
  12. 104
  13. 148
  14. 116
  15. 88
  16. 144
  17. 124
  18. 48
  19. 220
  20. 72
  21. 180
  22. 36
  23. 216
  24. 196
  25. 100
  26. 40
  27. 112
  28. 172
  29. 208
  30. 24
  31. 128
  32. 44
  33. 168
  34. 64
  35. 56
  36. 184
  37. 140
  38. 108
  39. 200
  40. 212

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