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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 775 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.57 × 4 =
  2. 2.32 × 4 =
  3. 3.18 × 4 =
  4. 4.23 × 4 =
  5. 5.10 × 4 =
  6. 6.51 × 4 =
  7. 7.60 × 4 =
  8. 8.34 × 4 =
  9. 9.43 × 4 =
  10. 10.22 × 4 =
  11. 11.30 × 4 =
  12. 12.15 × 4 =
  13. 13.16 × 4 =
  14. 14.40 × 4 =
  15. 15.48 × 4 =
  16. 16.20 × 4 =
  17. 17.11 × 4 =
  18. 18.27 × 4 =
  19. 19.42 × 4 =
  20. 20.59 × 4 =
  21. 21.50 × 4 =
  22. 22.44 × 4 =
  23. 23.7 × 4 =
  24. 24.13 × 4 =
  25. 25.26 × 4 =
  26. 26.31 × 4 =
  27. 27.49 × 4 =
  28. 28.46 × 4 =
  29. 29.41 × 4 =
  30. 30.21 × 4 =
  31. 31.19 × 4 =
  32. 32.24 × 4 =
  33. 33.56 × 4 =
  34. 34.25 × 4 =
  35. 35.12 × 4 =
  36. 36.35 × 4 =
  37. 37.37 × 4 =
  38. 38.9 × 4 =
  39. 39.28 × 4 =
  40. 40.53 × 4 =

Answer key

  1. 228
  2. 128
  3. 72
  4. 92
  5. 40
  6. 204
  7. 240
  8. 136
  9. 172
  10. 88
  11. 120
  12. 60
  13. 64
  14. 160
  15. 192
  16. 80
  17. 44
  18. 108
  19. 168
  20. 236
  21. 200
  22. 176
  23. 28
  24. 52
  25. 104
  26. 124
  27. 196
  28. 184
  29. 164
  30. 84
  31. 76
  32. 96
  33. 224
  34. 100
  35. 48
  36. 140
  37. 148
  38. 36
  39. 112
  40. 212

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