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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 714 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.17 × 4 =
  3. 3.9 × 4 =
  4. 4.37 × 4 =
  5. 5.16 × 4 =
  6. 6.44 × 4 =
  7. 7.40 × 4 =
  8. 8.26 × 4 =
  9. 9.45 × 4 =
  10. 10.52 × 4 =
  11. 11.50 × 4 =
  12. 12.36 × 4 =
  13. 13.11 × 4 =
  14. 14.25 × 4 =
  15. 15.38 × 4 =
  16. 16.54 × 4 =
  17. 17.10 × 4 =
  18. 18.60 × 4 =
  19. 19.46 × 4 =
  20. 20.35 × 4 =
  21. 21.57 × 4 =
  22. 22.28 × 4 =
  23. 23.32 × 4 =
  24. 24.33 × 4 =
  25. 25.6 × 4 =
  26. 26.19 × 4 =
  27. 27.15 × 4 =
  28. 28.56 × 4 =
  29. 29.18 × 4 =
  30. 30.24 × 4 =
  31. 31.8 × 4 =
  32. 32.43 × 4 =
  33. 33.29 × 4 =
  34. 34.22 × 4 =
  35. 35.42 × 4 =
  36. 36.47 × 4 =
  37. 37.23 × 4 =
  38. 38.13 × 4 =
  39. 39.20 × 4 =
  40. 40.7 × 4 =

Answer key

  1. 120
  2. 68
  3. 36
  4. 148
  5. 64
  6. 176
  7. 160
  8. 104
  9. 180
  10. 208
  11. 200
  12. 144
  13. 44
  14. 100
  15. 152
  16. 216
  17. 40
  18. 240
  19. 184
  20. 140
  21. 228
  22. 112
  23. 128
  24. 132
  25. 24
  26. 76
  27. 60
  28. 224
  29. 72
  30. 96
  31. 32
  32. 172
  33. 116
  34. 88
  35. 168
  36. 188
  37. 92
  38. 52
  39. 80
  40. 28

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