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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 189 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.19 × 4 =
  2. 2.39 × 4 =
  3. 3.9 × 4 =
  4. 4.10 × 4 =
  5. 5.44 × 4 =
  6. 6.59 × 4 =
  7. 7.11 × 4 =
  8. 8.14 × 4 =
  9. 9.58 × 4 =
  10. 10.36 × 4 =
  11. 11.24 × 4 =
  12. 12.30 × 4 =
  13. 13.55 × 4 =
  14. 14.50 × 4 =
  15. 15.27 × 4 =
  16. 16.33 × 4 =
  17. 17.21 × 4 =
  18. 18.57 × 4 =
  19. 19.43 × 4 =
  20. 20.25 × 4 =
  21. 21.31 × 4 =
  22. 22.17 × 4 =
  23. 23.45 × 4 =
  24. 24.60 × 4 =
  25. 25.16 × 4 =
  26. 26.20 × 4 =
  27. 27.48 × 4 =
  28. 28.49 × 4 =
  29. 29.54 × 4 =
  30. 30.52 × 4 =
  31. 31.28 × 4 =
  32. 32.29 × 4 =
  33. 33.56 × 4 =
  34. 34.46 × 4 =
  35. 35.47 × 4 =
  36. 36.7 × 4 =
  37. 37.37 × 4 =
  38. 38.51 × 4 =
  39. 39.32 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 76
  2. 156
  3. 36
  4. 40
  5. 176
  6. 236
  7. 44
  8. 56
  9. 232
  10. 144
  11. 96
  12. 120
  13. 220
  14. 200
  15. 108
  16. 132
  17. 84
  18. 228
  19. 172
  20. 100
  21. 124
  22. 68
  23. 180
  24. 240
  25. 64
  26. 80
  27. 192
  28. 196
  29. 216
  30. 208
  31. 112
  32. 116
  33. 224
  34. 184
  35. 188
  36. 28
  37. 148
  38. 204
  39. 128
  40. 72

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