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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 798 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.45 × 4 =
  2. 2.14 × 4 =
  3. 3.19 × 4 =
  4. 4.9 × 4 =
  5. 5.25 × 4 =
  6. 6.43 × 4 =
  7. 7.18 × 4 =
  8. 8.16 × 4 =
  9. 9.12 × 4 =
  10. 10.21 × 4 =
  11. 11.60 × 4 =
  12. 12.20 × 4 =
  13. 13.56 × 4 =
  14. 14.50 × 4 =
  15. 15.49 × 4 =
  16. 16.11 × 4 =
  17. 17.37 × 4 =
  18. 18.55 × 4 =
  19. 19.8 × 4 =
  20. 20.6 × 4 =
  21. 21.48 × 4 =
  22. 22.54 × 4 =
  23. 23.33 × 4 =
  24. 24.46 × 4 =
  25. 25.15 × 4 =
  26. 26.31 × 4 =
  27. 27.53 × 4 =
  28. 28.13 × 4 =
  29. 29.41 × 4 =
  30. 30.40 × 4 =
  31. 31.38 × 4 =
  32. 32.39 × 4 =
  33. 33.42 × 4 =
  34. 34.34 × 4 =
  35. 35.59 × 4 =
  36. 36.47 × 4 =
  37. 37.57 × 4 =
  38. 38.52 × 4 =
  39. 39.30 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 180
  2. 56
  3. 76
  4. 36
  5. 100
  6. 172
  7. 72
  8. 64
  9. 48
  10. 84
  11. 240
  12. 80
  13. 224
  14. 200
  15. 196
  16. 44
  17. 148
  18. 220
  19. 32
  20. 24
  21. 192
  22. 216
  23. 132
  24. 184
  25. 60
  26. 124
  27. 212
  28. 52
  29. 164
  30. 160
  31. 152
  32. 156
  33. 168
  34. 136
  35. 236
  36. 188
  37. 228
  38. 208
  39. 120
  40. 176

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