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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 648 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.9 × 4 =
  2. 2.34 × 4 =
  3. 3.55 × 4 =
  4. 4.19 × 4 =
  5. 5.29 × 4 =
  6. 6.11 × 4 =
  7. 7.37 × 4 =
  8. 8.15 × 4 =
  9. 9.38 × 4 =
  10. 10.24 × 4 =
  11. 11.26 × 4 =
  12. 12.31 × 4 =
  13. 13.58 × 4 =
  14. 14.56 × 4 =
  15. 15.57 × 4 =
  16. 16.59 × 4 =
  17. 17.12 × 4 =
  18. 18.43 × 4 =
  19. 19.50 × 4 =
  20. 20.40 × 4 =
  21. 21.41 × 4 =
  22. 22.16 × 4 =
  23. 23.53 × 4 =
  24. 24.22 × 4 =
  25. 25.7 × 4 =
  26. 26.28 × 4 =
  27. 27.45 × 4 =
  28. 28.8 × 4 =
  29. 29.33 × 4 =
  30. 30.35 × 4 =
  31. 31.23 × 4 =
  32. 32.27 × 4 =
  33. 33.49 × 4 =
  34. 34.46 × 4 =
  35. 35.47 × 4 =
  36. 36.17 × 4 =
  37. 37.25 × 4 =
  38. 38.44 × 4 =
  39. 39.51 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 36
  2. 136
  3. 220
  4. 76
  5. 116
  6. 44
  7. 148
  8. 60
  9. 152
  10. 96
  11. 104
  12. 124
  13. 232
  14. 224
  15. 228
  16. 236
  17. 48
  18. 172
  19. 200
  20. 160
  21. 164
  22. 64
  23. 212
  24. 88
  25. 28
  26. 112
  27. 180
  28. 32
  29. 132
  30. 140
  31. 92
  32. 108
  33. 196
  34. 184
  35. 188
  36. 68
  37. 100
  38. 176
  39. 204
  40. 240

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