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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 972 · 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. 2.20 × 4 =
  3. 3.57 × 4 =
  4. 4.15 × 4 =
  5. 5.17 × 4 =
  6. 6.13 × 4 =
  7. 7.10 × 4 =
  8. 8.35 × 4 =
  9. 9.29 × 4 =
  10. 10.52 × 4 =
  11. 11.55 × 4 =
  12. 12.40 × 4 =
  13. 13.51 × 4 =
  14. 14.8 × 4 =
  15. 15.49 × 4 =
  16. 16.34 × 4 =
  17. 17.56 × 4 =
  18. 18.21 × 4 =
  19. 19.50 × 4 =
  20. 20.37 × 4 =
  21. 21.14 × 4 =
  22. 22.6 × 4 =
  23. 23.19 × 4 =
  24. 24.44 × 4 =
  25. 25.60 × 4 =
  26. 26.32 × 4 =
  27. 27.48 × 4 =
  28. 28.27 × 4 =
  29. 29.25 × 4 =
  30. 30.22 × 4 =
  31. 31.46 × 4 =
  32. 32.16 × 4 =
  33. 33.7 × 4 =
  34. 34.24 × 4 =
  35. 35.31 × 4 =
  36. 36.59 × 4 =
  37. 37.53 × 4 =
  38. 38.47 × 4 =
  39. 39.33 × 4 =
  40. 40.39 × 4 =

Answer key

  1. 172
  2. 80
  3. 228
  4. 60
  5. 68
  6. 52
  7. 40
  8. 140
  9. 116
  10. 208
  11. 220
  12. 160
  13. 204
  14. 32
  15. 196
  16. 136
  17. 224
  18. 84
  19. 200
  20. 148
  21. 56
  22. 24
  23. 76
  24. 176
  25. 240
  26. 128
  27. 192
  28. 108
  29. 100
  30. 88
  31. 184
  32. 64
  33. 28
  34. 96
  35. 124
  36. 236
  37. 212
  38. 188
  39. 132
  40. 156

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