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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 718 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.30 × 4 =
  2. 2.60 × 4 =
  3. 3.29 × 4 =
  4. 4.13 × 4 =
  5. 5.45 × 4 =
  6. 6.6 × 4 =
  7. 7.57 × 4 =
  8. 8.7 × 4 =
  9. 9.18 × 4 =
  10. 10.12 × 4 =
  11. 11.41 × 4 =
  12. 12.36 × 4 =
  13. 13.16 × 4 =
  14. 14.44 × 4 =
  15. 15.59 × 4 =
  16. 16.32 × 4 =
  17. 17.39 × 4 =
  18. 18.9 × 4 =
  19. 19.58 × 4 =
  20. 20.49 × 4 =
  21. 21.37 × 4 =
  22. 22.42 × 4 =
  23. 23.46 × 4 =
  24. 24.17 × 4 =
  25. 25.50 × 4 =
  26. 26.11 × 4 =
  27. 27.51 × 4 =
  28. 28.8 × 4 =
  29. 29.19 × 4 =
  30. 30.27 × 4 =
  31. 31.55 × 4 =
  32. 32.14 × 4 =
  33. 33.33 × 4 =
  34. 34.53 × 4 =
  35. 35.10 × 4 =
  36. 36.15 × 4 =
  37. 37.43 × 4 =
  38. 38.34 × 4 =
  39. 39.52 × 4 =
  40. 40.25 × 4 =

Answer key

  1. 120
  2. 240
  3. 116
  4. 52
  5. 180
  6. 24
  7. 228
  8. 28
  9. 72
  10. 48
  11. 164
  12. 144
  13. 64
  14. 176
  15. 236
  16. 128
  17. 156
  18. 36
  19. 232
  20. 196
  21. 148
  22. 168
  23. 184
  24. 68
  25. 200
  26. 44
  27. 204
  28. 32
  29. 76
  30. 108
  31. 220
  32. 56
  33. 132
  34. 212
  35. 40
  36. 60
  37. 172
  38. 136
  39. 208
  40. 100

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