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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 637 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.16 × 4 =
  2. 2.32 × 4 =
  3. 3.6 × 4 =
  4. 4.7 × 4 =
  5. 5.18 × 4 =
  6. 6.13 × 4 =
  7. 7.21 × 4 =
  8. 8.49 × 4 =
  9. 9.11 × 4 =
  10. 10.50 × 4 =
  11. 11.31 × 4 =
  12. 12.10 × 4 =
  13. 13.14 × 4 =
  14. 14.30 × 4 =
  15. 15.19 × 4 =
  16. 16.53 × 4 =
  17. 17.57 × 4 =
  18. 18.29 × 4 =
  19. 19.8 × 4 =
  20. 20.40 × 4 =
  21. 21.17 × 4 =
  22. 22.33 × 4 =
  23. 23.52 × 4 =
  24. 24.38 × 4 =
  25. 25.55 × 4 =
  26. 26.47 × 4 =
  27. 27.43 × 4 =
  28. 28.15 × 4 =
  29. 29.34 × 4 =
  30. 30.22 × 4 =
  31. 31.12 × 4 =
  32. 32.44 × 4 =
  33. 33.56 × 4 =
  34. 34.39 × 4 =
  35. 35.24 × 4 =
  36. 36.58 × 4 =
  37. 37.23 × 4 =
  38. 38.37 × 4 =
  39. 39.46 × 4 =
  40. 40.54 × 4 =

Answer key

  1. 64
  2. 128
  3. 24
  4. 28
  5. 72
  6. 52
  7. 84
  8. 196
  9. 44
  10. 200
  11. 124
  12. 40
  13. 56
  14. 120
  15. 76
  16. 212
  17. 228
  18. 116
  19. 32
  20. 160
  21. 68
  22. 132
  23. 208
  24. 152
  25. 220
  26. 188
  27. 172
  28. 60
  29. 136
  30. 88
  31. 48
  32. 176
  33. 224
  34. 156
  35. 96
  36. 232
  37. 92
  38. 148
  39. 184
  40. 216

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