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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 375 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.58 × 4 =
  2. 2.54 × 4 =
  3. 3.32 × 4 =
  4. 4.21 × 4 =
  5. 5.34 × 4 =
  6. 6.19 × 4 =
  7. 7.46 × 4 =
  8. 8.23 × 4 =
  9. 9.30 × 4 =
  10. 10.28 × 4 =
  11. 11.10 × 4 =
  12. 12.57 × 4 =
  13. 13.17 × 4 =
  14. 14.13 × 4 =
  15. 15.38 × 4 =
  16. 16.18 × 4 =
  17. 17.6 × 4 =
  18. 18.35 × 4 =
  19. 19.36 × 4 =
  20. 20.60 × 4 =
  21. 21.7 × 4 =
  22. 22.24 × 4 =
  23. 23.27 × 4 =
  24. 24.25 × 4 =
  25. 25.55 × 4 =
  26. 26.49 × 4 =
  27. 27.29 × 4 =
  28. 28.51 × 4 =
  29. 29.16 × 4 =
  30. 30.9 × 4 =
  31. 31.12 × 4 =
  32. 32.59 × 4 =
  33. 33.26 × 4 =
  34. 34.42 × 4 =
  35. 35.52 × 4 =
  36. 36.40 × 4 =
  37. 37.50 × 4 =
  38. 38.48 × 4 =
  39. 39.33 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 232
  2. 216
  3. 128
  4. 84
  5. 136
  6. 76
  7. 184
  8. 92
  9. 120
  10. 112
  11. 40
  12. 228
  13. 68
  14. 52
  15. 152
  16. 72
  17. 24
  18. 140
  19. 144
  20. 240
  21. 28
  22. 96
  23. 108
  24. 100
  25. 220
  26. 196
  27. 116
  28. 204
  29. 64
  30. 36
  31. 48
  32. 236
  33. 104
  34. 168
  35. 208
  36. 160
  37. 200
  38. 192
  39. 132
  40. 172

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