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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 192 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.10 × 4 =
  2. 2.31 × 4 =
  3. 3.33 × 4 =
  4. 4.34 × 4 =
  5. 5.9 × 4 =
  6. 6.8 × 4 =
  7. 7.21 × 4 =
  8. 8.57 × 4 =
  9. 9.52 × 4 =
  10. 10.28 × 4 =
  11. 11.18 × 4 =
  12. 12.16 × 4 =
  13. 13.14 × 4 =
  14. 14.50 × 4 =
  15. 15.48 × 4 =
  16. 16.30 × 4 =
  17. 17.36 × 4 =
  18. 18.53 × 4 =
  19. 19.58 × 4 =
  20. 20.7 × 4 =
  21. 21.44 × 4 =
  22. 22.26 × 4 =
  23. 23.51 × 4 =
  24. 24.43 × 4 =
  25. 25.60 × 4 =
  26. 26.47 × 4 =
  27. 27.17 × 4 =
  28. 28.25 × 4 =
  29. 29.12 × 4 =
  30. 30.40 × 4 =
  31. 31.56 × 4 =
  32. 32.32 × 4 =
  33. 33.37 × 4 =
  34. 34.6 × 4 =
  35. 35.27 × 4 =
  36. 36.38 × 4 =
  37. 37.23 × 4 =
  38. 38.54 × 4 =
  39. 39.29 × 4 =
  40. 40.19 × 4 =

Answer key

  1. 40
  2. 124
  3. 132
  4. 136
  5. 36
  6. 32
  7. 84
  8. 228
  9. 208
  10. 112
  11. 72
  12. 64
  13. 56
  14. 200
  15. 192
  16. 120
  17. 144
  18. 212
  19. 232
  20. 28
  21. 176
  22. 104
  23. 204
  24. 172
  25. 240
  26. 188
  27. 68
  28. 100
  29. 48
  30. 160
  31. 224
  32. 128
  33. 148
  34. 24
  35. 108
  36. 152
  37. 92
  38. 216
  39. 116
  40. 76

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