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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 35 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.37 × 4 =
  2. 2.42 × 4 =
  3. 3.9 × 4 =
  4. 4.28 × 4 =
  5. 5.35 × 4 =
  6. 6.27 × 4 =
  7. 7.16 × 4 =
  8. 8.34 × 4 =
  9. 9.8 × 4 =
  10. 10.41 × 4 =
  11. 11.49 × 4 =
  12. 12.38 × 4 =
  13. 13.29 × 4 =
  14. 14.58 × 4 =
  15. 15.53 × 4 =
  16. 16.43 × 4 =
  17. 17.10 × 4 =
  18. 18.59 × 4 =
  19. 19.50 × 4 =
  20. 20.47 × 4 =
  21. 21.7 × 4 =
  22. 22.14 × 4 =
  23. 23.6 × 4 =
  24. 24.56 × 4 =
  25. 25.19 × 4 =
  26. 26.52 × 4 =
  27. 27.39 × 4 =
  28. 28.46 × 4 =
  29. 29.17 × 4 =
  30. 30.40 × 4 =
  31. 31.11 × 4 =
  32. 32.44 × 4 =
  33. 33.54 × 4 =
  34. 34.30 × 4 =
  35. 35.25 × 4 =
  36. 36.31 × 4 =
  37. 37.18 × 4 =
  38. 38.10 × 4 =
  39. 39.36 × 4 =
  40. 40.15 × 4 =

Answer key

  1. 148
  2. 168
  3. 36
  4. 112
  5. 140
  6. 108
  7. 64
  8. 136
  9. 32
  10. 164
  11. 196
  12. 152
  13. 116
  14. 232
  15. 212
  16. 172
  17. 40
  18. 236
  19. 200
  20. 188
  21. 28
  22. 56
  23. 24
  24. 224
  25. 76
  26. 208
  27. 156
  28. 184
  29. 68
  30. 160
  31. 44
  32. 176
  33. 216
  34. 120
  35. 100
  36. 124
  37. 72
  38. 40
  39. 144
  40. 60

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