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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 136 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.35 × 4 =
  2. 2.11 × 4 =
  3. 3.47 × 4 =
  4. 4.46 × 4 =
  5. 5.50 × 4 =
  6. 6.13 × 4 =
  7. 7.32 × 4 =
  8. 8.26 × 4 =
  9. 9.55 × 4 =
  10. 10.49 × 4 =
  11. 11.24 × 4 =
  12. 12.56 × 4 =
  13. 13.29 × 4 =
  14. 14.12 × 4 =
  15. 15.28 × 4 =
  16. 16.45 × 4 =
  17. 17.38 × 4 =
  18. 18.15 × 4 =
  19. 19.42 × 4 =
  20. 20.48 × 4 =
  21. 21.16 × 4 =
  22. 22.9 × 4 =
  23. 23.8 × 4 =
  24. 24.57 × 4 =
  25. 25.41 × 4 =
  26. 26.59 × 4 =
  27. 27.14 × 4 =
  28. 28.31 × 4 =
  29. 29.27 × 4 =
  30. 30.51 × 4 =
  31. 31.52 × 4 =
  32. 32.44 × 4 =
  33. 33.34 × 4 =
  34. 34.19 × 4 =
  35. 35.21 × 4 =
  36. 36.6 × 4 =
  37. 37.20 × 4 =
  38. 38.39 × 4 =
  39. 39.17 × 4 =
  40. 40.43 × 4 =

Answer key

  1. 140
  2. 44
  3. 188
  4. 184
  5. 200
  6. 52
  7. 128
  8. 104
  9. 220
  10. 196
  11. 96
  12. 224
  13. 116
  14. 48
  15. 112
  16. 180
  17. 152
  18. 60
  19. 168
  20. 192
  21. 64
  22. 36
  23. 32
  24. 228
  25. 164
  26. 236
  27. 56
  28. 124
  29. 108
  30. 204
  31. 208
  32. 176
  33. 136
  34. 76
  35. 84
  36. 24
  37. 80
  38. 156
  39. 68
  40. 172

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