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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 160 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.47 × 4 =
  2. 2.44 × 4 =
  3. 3.36 × 4 =
  4. 4.23 × 4 =
  5. 5.29 × 4 =
  6. 6.10 × 4 =
  7. 7.37 × 4 =
  8. 8.34 × 4 =
  9. 9.21 × 4 =
  10. 10.60 × 4 =
  11. 11.35 × 4 =
  12. 12.38 × 4 =
  13. 13.41 × 4 =
  14. 14.16 × 4 =
  15. 15.50 × 4 =
  16. 16.13 × 4 =
  17. 17.43 × 4 =
  18. 18.52 × 4 =
  19. 19.28 × 4 =
  20. 20.19 × 4 =
  21. 21.59 × 4 =
  22. 22.9 × 4 =
  23. 23.54 × 4 =
  24. 24.30 × 4 =
  25. 25.22 × 4 =
  26. 26.8 × 4 =
  27. 27.42 × 4 =
  28. 28.31 × 4 =
  29. 29.7 × 4 =
  30. 30.14 × 4 =
  31. 31.48 × 4 =
  32. 32.32 × 4 =
  33. 33.24 × 4 =
  34. 34.12 × 4 =
  35. 35.40 × 4 =
  36. 36.33 × 4 =
  37. 37.25 × 4 =
  38. 38.18 × 4 =
  39. 39.49 × 4 =
  40. 40.17 × 4 =

Answer key

  1. 188
  2. 176
  3. 144
  4. 92
  5. 116
  6. 40
  7. 148
  8. 136
  9. 84
  10. 240
  11. 140
  12. 152
  13. 164
  14. 64
  15. 200
  16. 52
  17. 172
  18. 208
  19. 112
  20. 76
  21. 236
  22. 36
  23. 216
  24. 120
  25. 88
  26. 32
  27. 168
  28. 124
  29. 28
  30. 56
  31. 192
  32. 128
  33. 96
  34. 48
  35. 160
  36. 132
  37. 100
  38. 72
  39. 196
  40. 68

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