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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 445 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.42 × 4 =
  2. 2.34 × 4 =
  3. 3.48 × 4 =
  4. 4.41 × 4 =
  5. 5.55 × 4 =
  6. 6.52 × 4 =
  7. 7.43 × 4 =
  8. 8.49 × 4 =
  9. 9.29 × 4 =
  10. 10.40 × 4 =
  11. 11.17 × 4 =
  12. 12.58 × 4 =
  13. 13.24 × 4 =
  14. 14.15 × 4 =
  15. 15.38 × 4 =
  16. 16.46 × 4 =
  17. 17.9 × 4 =
  18. 18.19 × 4 =
  19. 19.7 × 4 =
  20. 20.59 × 4 =
  21. 21.10 × 4 =
  22. 22.53 × 4 =
  23. 23.14 × 4 =
  24. 24.11 × 4 =
  25. 25.16 × 4 =
  26. 26.20 × 4 =
  27. 27.28 × 4 =
  28. 28.50 × 4 =
  29. 29.33 × 4 =
  30. 30.12 × 4 =
  31. 31.36 × 4 =
  32. 32.18 × 4 =
  33. 33.22 × 4 =
  34. 34.39 × 4 =
  35. 35.35 × 4 =
  36. 36.44 × 4 =
  37. 37.30 × 4 =
  38. 38.56 × 4 =
  39. 39.32 × 4 =
  40. 40.47 × 4 =

Answer key

  1. 168
  2. 136
  3. 192
  4. 164
  5. 220
  6. 208
  7. 172
  8. 196
  9. 116
  10. 160
  11. 68
  12. 232
  13. 96
  14. 60
  15. 152
  16. 184
  17. 36
  18. 76
  19. 28
  20. 236
  21. 40
  22. 212
  23. 56
  24. 44
  25. 64
  26. 80
  27. 112
  28. 200
  29. 132
  30. 48
  31. 144
  32. 72
  33. 88
  34. 156
  35. 140
  36. 176
  37. 120
  38. 224
  39. 128
  40. 188

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