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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 603 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.15 × 4 =
  3. 3.51 × 4 =
  4. 4.19 × 4 =
  5. 5.39 × 4 =
  6. 6.13 × 4 =
  7. 7.12 × 4 =
  8. 8.59 × 4 =
  9. 9.29 × 4 =
  10. 10.33 × 4 =
  11. 11.40 × 4 =
  12. 12.34 × 4 =
  13. 13.20 × 4 =
  14. 14.11 × 4 =
  15. 15.31 × 4 =
  16. 16.53 × 4 =
  17. 17.60 × 4 =
  18. 18.7 × 4 =
  19. 19.45 × 4 =
  20. 20.18 × 4 =
  21. 21.57 × 4 =
  22. 22.44 × 4 =
  23. 23.55 × 4 =
  24. 24.24 × 4 =
  25. 25.58 × 4 =
  26. 26.32 × 4 =
  27. 27.49 × 4 =
  28. 28.10 × 4 =
  29. 29.56 × 4 =
  30. 30.37 × 4 =
  31. 31.28 × 4 =
  32. 32.27 × 4 =
  33. 33.42 × 4 =
  34. 34.47 × 4 =
  35. 35.23 × 4 =
  36. 36.8 × 4 =
  37. 37.9 × 4 =
  38. 38.46 × 4 =
  39. 39.38 × 4 =
  40. 40.48 × 4 =

Answer key

  1. 84
  2. 60
  3. 204
  4. 76
  5. 156
  6. 52
  7. 48
  8. 236
  9. 116
  10. 132
  11. 160
  12. 136
  13. 80
  14. 44
  15. 124
  16. 212
  17. 240
  18. 28
  19. 180
  20. 72
  21. 228
  22. 176
  23. 220
  24. 96
  25. 232
  26. 128
  27. 196
  28. 40
  29. 224
  30. 148
  31. 112
  32. 108
  33. 168
  34. 188
  35. 92
  36. 32
  37. 36
  38. 184
  39. 152
  40. 192

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