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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 887 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.31 × 4 =
  2. 2.20 × 4 =
  3. 3.18 × 4 =
  4. 4.33 × 4 =
  5. 5.19 × 4 =
  6. 6.60 × 4 =
  7. 7.16 × 4 =
  8. 8.6 × 4 =
  9. 9.41 × 4 =
  10. 10.15 × 4 =
  11. 11.43 × 4 =
  12. 12.17 × 4 =
  13. 13.12 × 4 =
  14. 14.54 × 4 =
  15. 15.10 × 4 =
  16. 16.21 × 4 =
  17. 17.22 × 4 =
  18. 18.49 × 4 =
  19. 19.47 × 4 =
  20. 20.14 × 4 =
  21. 21.23 × 4 =
  22. 22.36 × 4 =
  23. 23.42 × 4 =
  24. 24.8 × 4 =
  25. 25.56 × 4 =
  26. 26.32 × 4 =
  27. 27.25 × 4 =
  28. 28.35 × 4 =
  29. 29.26 × 4 =
  30. 30.34 × 4 =
  31. 31.40 × 4 =
  32. 32.48 × 4 =
  33. 33.39 × 4 =
  34. 34.57 × 4 =
  35. 35.44 × 4 =
  36. 36.55 × 4 =
  37. 37.29 × 4 =
  38. 38.52 × 4 =
  39. 39.7 × 4 =
  40. 40.11 × 4 =

Answer key

  1. 124
  2. 80
  3. 72
  4. 132
  5. 76
  6. 240
  7. 64
  8. 24
  9. 164
  10. 60
  11. 172
  12. 68
  13. 48
  14. 216
  15. 40
  16. 84
  17. 88
  18. 196
  19. 188
  20. 56
  21. 92
  22. 144
  23. 168
  24. 32
  25. 224
  26. 128
  27. 100
  28. 140
  29. 104
  30. 136
  31. 160
  32. 192
  33. 156
  34. 228
  35. 176
  36. 220
  37. 116
  38. 208
  39. 28
  40. 44

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