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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 546 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.32 × 4 =
  3. 3.20 × 4 =
  4. 4.9 × 4 =
  5. 5.6 × 4 =
  6. 6.21 × 4 =
  7. 7.35 × 4 =
  8. 8.59 × 4 =
  9. 9.47 × 4 =
  10. 10.54 × 4 =
  11. 11.56 × 4 =
  12. 12.52 × 4 =
  13. 13.44 × 4 =
  14. 14.37 × 4 =
  15. 15.41 × 4 =
  16. 16.22 × 4 =
  17. 17.33 × 4 =
  18. 18.39 × 4 =
  19. 19.45 × 4 =
  20. 20.27 × 4 =
  21. 21.7 × 4 =
  22. 22.48 × 4 =
  23. 23.38 × 4 =
  24. 24.30 × 4 =
  25. 25.13 × 4 =
  26. 26.51 × 4 =
  27. 27.19 × 4 =
  28. 28.31 × 4 =
  29. 29.55 × 4 =
  30. 30.28 × 4 =
  31. 31.17 × 4 =
  32. 32.43 × 4 =
  33. 33.15 × 4 =
  34. 34.29 × 4 =
  35. 35.42 × 4 =
  36. 36.23 × 4 =
  37. 37.50 × 4 =
  38. 38.36 × 4 =
  39. 39.46 × 4 =
  40. 40.14 × 4 =

Answer key

  1. 196
  2. 128
  3. 80
  4. 36
  5. 24
  6. 84
  7. 140
  8. 236
  9. 188
  10. 216
  11. 224
  12. 208
  13. 176
  14. 148
  15. 164
  16. 88
  17. 132
  18. 156
  19. 180
  20. 108
  21. 28
  22. 192
  23. 152
  24. 120
  25. 52
  26. 204
  27. 76
  28. 124
  29. 220
  30. 112
  31. 68
  32. 172
  33. 60
  34. 116
  35. 168
  36. 92
  37. 200
  38. 144
  39. 184
  40. 56

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