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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 954 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.17 × 4 =
  2. 2.36 × 4 =
  3. 3.7 × 4 =
  4. 4.40 × 4 =
  5. 5.19 × 4 =
  6. 6.14 × 4 =
  7. 7.52 × 4 =
  8. 8.12 × 4 =
  9. 9.55 × 4 =
  10. 10.18 × 4 =
  11. 11.6 × 4 =
  12. 12.43 × 4 =
  13. 13.35 × 4 =
  14. 14.9 × 4 =
  15. 15.26 × 4 =
  16. 16.47 × 4 =
  17. 17.21 × 4 =
  18. 18.32 × 4 =
  19. 19.13 × 4 =
  20. 20.33 × 4 =
  21. 21.10 × 4 =
  22. 22.49 × 4 =
  23. 23.27 × 4 =
  24. 24.60 × 4 =
  25. 25.53 × 4 =
  26. 26.56 × 4 =
  27. 27.16 × 4 =
  28. 28.44 × 4 =
  29. 29.46 × 4 =
  30. 30.37 × 4 =
  31. 31.25 × 4 =
  32. 32.31 × 4 =
  33. 33.42 × 4 =
  34. 34.38 × 4 =
  35. 35.56 × 4 =
  36. 36.11 × 4 =
  37. 37.15 × 4 =
  38. 38.20 × 4 =
  39. 39.28 × 4 =
  40. 40.42 × 4 =

Answer key

  1. 68
  2. 144
  3. 28
  4. 160
  5. 76
  6. 56
  7. 208
  8. 48
  9. 220
  10. 72
  11. 24
  12. 172
  13. 140
  14. 36
  15. 104
  16. 188
  17. 84
  18. 128
  19. 52
  20. 132
  21. 40
  22. 196
  23. 108
  24. 240
  25. 212
  26. 224
  27. 64
  28. 176
  29. 184
  30. 148
  31. 100
  32. 124
  33. 168
  34. 152
  35. 224
  36. 44
  37. 60
  38. 80
  39. 112
  40. 168

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