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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 355 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.7 × 4 =
  2. 2.30 × 4 =
  3. 3.17 × 4 =
  4. 4.34 × 4 =
  5. 5.23 × 4 =
  6. 6.21 × 4 =
  7. 7.22 × 4 =
  8. 8.13 × 4 =
  9. 9.10 × 4 =
  10. 10.24 × 4 =
  11. 11.51 × 4 =
  12. 12.35 × 4 =
  13. 13.38 × 4 =
  14. 14.55 × 4 =
  15. 15.46 × 4 =
  16. 16.11 × 4 =
  17. 17.58 × 4 =
  18. 18.33 × 4 =
  19. 19.12 × 4 =
  20. 20.56 × 4 =
  21. 21.8 × 4 =
  22. 22.57 × 4 =
  23. 23.47 × 4 =
  24. 24.29 × 4 =
  25. 25.41 × 4 =
  26. 26.53 × 4 =
  27. 27.36 × 4 =
  28. 28.60 × 4 =
  29. 29.28 × 4 =
  30. 30.16 × 4 =
  31. 31.6 × 4 =
  32. 32.14 × 4 =
  33. 33.44 × 4 =
  34. 34.26 × 4 =
  35. 35.42 × 4 =
  36. 36.9 × 4 =
  37. 37.27 × 4 =
  38. 38.50 × 4 =
  39. 39.50 × 4 =
  40. 40.32 × 4 =

Answer key

  1. 28
  2. 120
  3. 68
  4. 136
  5. 92
  6. 84
  7. 88
  8. 52
  9. 40
  10. 96
  11. 204
  12. 140
  13. 152
  14. 220
  15. 184
  16. 44
  17. 232
  18. 132
  19. 48
  20. 224
  21. 32
  22. 228
  23. 188
  24. 116
  25. 164
  26. 212
  27. 144
  28. 240
  29. 112
  30. 64
  31. 24
  32. 56
  33. 176
  34. 104
  35. 168
  36. 36
  37. 108
  38. 200
  39. 200
  40. 128

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