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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 925 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.43 × 4 =
  2. 2.51 × 4 =
  3. 3.44 × 4 =
  4. 4.11 × 4 =
  5. 5.7 × 4 =
  6. 6.12 × 4 =
  7. 7.58 × 4 =
  8. 8.30 × 4 =
  9. 9.52 × 4 =
  10. 10.47 × 4 =
  11. 11.34 × 4 =
  12. 12.8 × 4 =
  13. 13.17 × 4 =
  14. 14.36 × 4 =
  15. 15.9 × 4 =
  16. 16.15 × 4 =
  17. 17.41 × 4 =
  18. 18.46 × 4 =
  19. 19.32 × 4 =
  20. 20.21 × 4 =
  21. 21.20 × 4 =
  22. 22.18 × 4 =
  23. 23.37 × 4 =
  24. 24.56 × 4 =
  25. 25.19 × 4 =
  26. 26.53 × 4 =
  27. 27.25 × 4 =
  28. 28.54 × 4 =
  29. 29.16 × 4 =
  30. 30.49 × 4 =
  31. 31.33 × 4 =
  32. 32.60 × 4 =
  33. 33.39 × 4 =
  34. 34.35 × 4 =
  35. 35.38 × 4 =
  36. 36.40 × 4 =
  37. 37.48 × 4 =
  38. 38.22 × 4 =
  39. 39.13 × 4 =
  40. 40.50 × 4 =

Answer key

  1. 172
  2. 204
  3. 176
  4. 44
  5. 28
  6. 48
  7. 232
  8. 120
  9. 208
  10. 188
  11. 136
  12. 32
  13. 68
  14. 144
  15. 36
  16. 60
  17. 164
  18. 184
  19. 128
  20. 84
  21. 80
  22. 72
  23. 148
  24. 224
  25. 76
  26. 212
  27. 100
  28. 216
  29. 64
  30. 196
  31. 132
  32. 240
  33. 156
  34. 140
  35. 152
  36. 160
  37. 192
  38. 88
  39. 52
  40. 200

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