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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 570 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.6 × 4 =
  2. 2.58 × 4 =
  3. 3.54 × 4 =
  4. 4.47 × 4 =
  5. 5.25 × 4 =
  6. 6.7 × 4 =
  7. 7.31 × 4 =
  8. 8.22 × 4 =
  9. 9.21 × 4 =
  10. 10.24 × 4 =
  11. 11.45 × 4 =
  12. 12.17 × 4 =
  13. 13.28 × 4 =
  14. 14.15 × 4 =
  15. 15.38 × 4 =
  16. 16.46 × 4 =
  17. 17.20 × 4 =
  18. 18.32 × 4 =
  19. 19.10 × 4 =
  20. 20.55 × 4 =
  21. 21.35 × 4 =
  22. 22.11 × 4 =
  23. 23.30 × 4 =
  24. 24.41 × 4 =
  25. 25.13 × 4 =
  26. 26.9 × 4 =
  27. 27.40 × 4 =
  28. 28.60 × 4 =
  29. 29.27 × 4 =
  30. 30.8 × 4 =
  31. 31.44 × 4 =
  32. 32.57 × 4 =
  33. 33.19 × 4 =
  34. 34.59 × 4 =
  35. 35.12 × 4 =
  36. 36.49 × 4 =
  37. 37.48 × 4 =
  38. 38.36 × 4 =
  39. 39.56 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 24
  2. 232
  3. 216
  4. 188
  5. 100
  6. 28
  7. 124
  8. 88
  9. 84
  10. 96
  11. 180
  12. 68
  13. 112
  14. 60
  15. 152
  16. 184
  17. 80
  18. 128
  19. 40
  20. 220
  21. 140
  22. 44
  23. 120
  24. 164
  25. 52
  26. 36
  27. 160
  28. 240
  29. 108
  30. 32
  31. 176
  32. 228
  33. 76
  34. 236
  35. 48
  36. 196
  37. 192
  38. 144
  39. 224
  40. 72

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