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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 578 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.56 × 4 =
  2. 2.47 × 4 =
  3. 3.52 × 4 =
  4. 4.44 × 4 =
  5. 5.6 × 4 =
  6. 6.12 × 4 =
  7. 7.55 × 4 =
  8. 8.14 × 4 =
  9. 9.37 × 4 =
  10. 10.33 × 4 =
  11. 11.16 × 4 =
  12. 12.48 × 4 =
  13. 13.30 × 4 =
  14. 14.50 × 4 =
  15. 15.28 × 4 =
  16. 16.20 × 4 =
  17. 17.25 × 4 =
  18. 18.54 × 4 =
  19. 19.42 × 4 =
  20. 20.38 × 4 =
  21. 21.17 × 4 =
  22. 22.22 × 4 =
  23. 23.49 × 4 =
  24. 24.18 × 4 =
  25. 25.9 × 4 =
  26. 26.19 × 4 =
  27. 27.23 × 4 =
  28. 28.43 × 4 =
  29. 29.35 × 4 =
  30. 30.39 × 4 =
  31. 31.15 × 4 =
  32. 32.7 × 4 =
  33. 33.32 × 4 =
  34. 34.41 × 4 =
  35. 35.13 × 4 =
  36. 36.40 × 4 =
  37. 37.46 × 4 =
  38. 38.31 × 4 =
  39. 39.8 × 4 =
  40. 40.10 × 4 =

Answer key

  1. 224
  2. 188
  3. 208
  4. 176
  5. 24
  6. 48
  7. 220
  8. 56
  9. 148
  10. 132
  11. 64
  12. 192
  13. 120
  14. 200
  15. 112
  16. 80
  17. 100
  18. 216
  19. 168
  20. 152
  21. 68
  22. 88
  23. 196
  24. 72
  25. 36
  26. 76
  27. 92
  28. 172
  29. 140
  30. 156
  31. 60
  32. 28
  33. 128
  34. 164
  35. 52
  36. 160
  37. 184
  38. 124
  39. 32
  40. 40

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