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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 572 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.11 × 4 =
  3. 3.41 × 4 =
  4. 4.13 × 4 =
  5. 5.14 × 4 =
  6. 6.52 × 4 =
  7. 7.48 × 4 =
  8. 8.31 × 4 =
  9. 9.47 × 4 =
  10. 10.44 × 4 =
  11. 11.17 × 4 =
  12. 12.18 × 4 =
  13. 13.34 × 4 =
  14. 14.12 × 4 =
  15. 15.29 × 4 =
  16. 16.25 × 4 =
  17. 17.39 × 4 =
  18. 18.9 × 4 =
  19. 19.56 × 4 =
  20. 20.50 × 4 =
  21. 21.28 × 4 =
  22. 22.27 × 4 =
  23. 23.45 × 4 =
  24. 24.24 × 4 =
  25. 25.60 × 4 =
  26. 26.8 × 4 =
  27. 27.36 × 4 =
  28. 28.46 × 4 =
  29. 29.23 × 4 =
  30. 30.16 × 4 =
  31. 31.30 × 4 =
  32. 32.49 × 4 =
  33. 33.20 × 4 =
  34. 34.15 × 4 =
  35. 35.22 × 4 =
  36. 36.43 × 4 =
  37. 37.10 × 4 =
  38. 38.26 × 4 =
  39. 39.32 × 4 =
  40. 40.35 × 4 =

Answer key

  1. 160
  2. 44
  3. 164
  4. 52
  5. 56
  6. 208
  7. 192
  8. 124
  9. 188
  10. 176
  11. 68
  12. 72
  13. 136
  14. 48
  15. 116
  16. 100
  17. 156
  18. 36
  19. 224
  20. 200
  21. 112
  22. 108
  23. 180
  24. 96
  25. 240
  26. 32
  27. 144
  28. 184
  29. 92
  30. 64
  31. 120
  32. 196
  33. 80
  34. 60
  35. 88
  36. 172
  37. 40
  38. 104
  39. 128
  40. 140

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