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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 892 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.38 × 4 =
  2. 2.30 × 4 =
  3. 3.18 × 4 =
  4. 4.20 × 4 =
  5. 5.29 × 4 =
  6. 6.21 × 4 =
  7. 7.36 × 4 =
  8. 8.58 × 4 =
  9. 9.14 × 4 =
  10. 10.52 × 4 =
  11. 11.32 × 4 =
  12. 12.42 × 4 =
  13. 13.57 × 4 =
  14. 14.46 × 4 =
  15. 15.56 × 4 =
  16. 16.22 × 4 =
  17. 17.13 × 4 =
  18. 18.49 × 4 =
  19. 19.9 × 4 =
  20. 20.45 × 4 =
  21. 21.41 × 4 =
  22. 22.60 × 4 =
  23. 23.11 × 4 =
  24. 24.6 × 4 =
  25. 25.17 × 4 =
  26. 26.28 × 4 =
  27. 27.25 × 4 =
  28. 28.31 × 4 =
  29. 29.47 × 4 =
  30. 30.26 × 4 =
  31. 31.7 × 4 =
  32. 32.16 × 4 =
  33. 33.8 × 4 =
  34. 34.40 × 4 =
  35. 35.50 × 4 =
  36. 36.39 × 4 =
  37. 37.12 × 4 =
  38. 38.35 × 4 =
  39. 39.48 × 4 =
  40. 40.27 × 4 =

Answer key

  1. 152
  2. 120
  3. 72
  4. 80
  5. 116
  6. 84
  7. 144
  8. 232
  9. 56
  10. 208
  11. 128
  12. 168
  13. 228
  14. 184
  15. 224
  16. 88
  17. 52
  18. 196
  19. 36
  20. 180
  21. 164
  22. 240
  23. 44
  24. 24
  25. 68
  26. 112
  27. 100
  28. 124
  29. 188
  30. 104
  31. 28
  32. 64
  33. 32
  34. 160
  35. 200
  36. 156
  37. 48
  38. 140
  39. 192
  40. 108

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