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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 899 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.50 × 4 =
  3. 3.44 × 4 =
  4. 4.16 × 4 =
  5. 5.6 × 4 =
  6. 6.38 × 4 =
  7. 7.55 × 4 =
  8. 8.12 × 4 =
  9. 9.8 × 4 =
  10. 10.15 × 4 =
  11. 11.39 × 4 =
  12. 12.31 × 4 =
  13. 13.18 × 4 =
  14. 14.36 × 4 =
  15. 15.11 × 4 =
  16. 16.37 × 4 =
  17. 17.9 × 4 =
  18. 18.59 × 4 =
  19. 19.54 × 4 =
  20. 20.30 × 4 =
  21. 21.47 × 4 =
  22. 22.14 × 4 =
  23. 23.20 × 4 =
  24. 24.28 × 4 =
  25. 25.29 × 4 =
  26. 26.21 × 4 =
  27. 27.32 × 4 =
  28. 28.43 × 4 =
  29. 29.42 × 4 =
  30. 30.40 × 4 =
  31. 31.57 × 4 =
  32. 32.27 × 4 =
  33. 33.51 × 4 =
  34. 34.23 × 4 =
  35. 35.35 × 4 =
  36. 36.48 × 4 =
  37. 37.56 × 4 =
  38. 38.49 × 4 =
  39. 39.17 × 4 =
  40. 40.58 × 4 =

Answer key

  1. 180
  2. 200
  3. 176
  4. 64
  5. 24
  6. 152
  7. 220
  8. 48
  9. 32
  10. 60
  11. 156
  12. 124
  13. 72
  14. 144
  15. 44
  16. 148
  17. 36
  18. 236
  19. 216
  20. 120
  21. 188
  22. 56
  23. 80
  24. 112
  25. 116
  26. 84
  27. 128
  28. 172
  29. 168
  30. 160
  31. 228
  32. 108
  33. 204
  34. 92
  35. 140
  36. 192
  37. 224
  38. 196
  39. 68
  40. 232

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