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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 745 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.34 × 4 =
  2. 2.25 × 4 =
  3. 3.22 × 4 =
  4. 4.8 × 4 =
  5. 5.52 × 4 =
  6. 6.11 × 4 =
  7. 7.20 × 4 =
  8. 8.13 × 4 =
  9. 9.32 × 4 =
  10. 10.14 × 4 =
  11. 11.47 × 4 =
  12. 12.45 × 4 =
  13. 13.56 × 4 =
  14. 14.49 × 4 =
  15. 15.28 × 4 =
  16. 16.37 × 4 =
  17. 17.38 × 4 =
  18. 18.30 × 4 =
  19. 19.23 × 4 =
  20. 20.9 × 4 =
  21. 21.40 × 4 =
  22. 22.10 × 4 =
  23. 23.48 × 4 =
  24. 24.21 × 4 =
  25. 25.58 × 4 =
  26. 26.15 × 4 =
  27. 27.55 × 4 =
  28. 28.44 × 4 =
  29. 29.35 × 4 =
  30. 30.26 × 4 =
  31. 31.33 × 4 =
  32. 32.42 × 4 =
  33. 33.18 × 4 =
  34. 34.7 × 4 =
  35. 35.12 × 4 =
  36. 36.59 × 4 =
  37. 37.53 × 4 =
  38. 38.57 × 4 =
  39. 39.51 × 4 =
  40. 40.60 × 4 =

Answer key

  1. 136
  2. 100
  3. 88
  4. 32
  5. 208
  6. 44
  7. 80
  8. 52
  9. 128
  10. 56
  11. 188
  12. 180
  13. 224
  14. 196
  15. 112
  16. 148
  17. 152
  18. 120
  19. 92
  20. 36
  21. 160
  22. 40
  23. 192
  24. 84
  25. 232
  26. 60
  27. 220
  28. 176
  29. 140
  30. 104
  31. 132
  32. 168
  33. 72
  34. 28
  35. 48
  36. 236
  37. 212
  38. 228
  39. 204
  40. 240

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