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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 206 · 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. 2.44 × 4 =
  3. 3.31 × 4 =
  4. 4.10 × 4 =
  5. 5.50 × 4 =
  6. 6.36 × 4 =
  7. 7.8 × 4 =
  8. 8.19 × 4 =
  9. 9.58 × 4 =
  10. 10.39 × 4 =
  11. 11.26 × 4 =
  12. 12.17 × 4 =
  13. 13.45 × 4 =
  14. 14.42 × 4 =
  15. 15.56 × 4 =
  16. 16.18 × 4 =
  17. 17.41 × 4 =
  18. 18.20 × 4 =
  19. 19.59 × 4 =
  20. 20.14 × 4 =
  21. 21.7 × 4 =
  22. 22.12 × 4 =
  23. 23.15 × 4 =
  24. 24.11 × 4 =
  25. 25.35 × 4 =
  26. 26.40 × 4 =
  27. 27.9 × 4 =
  28. 28.32 × 4 =
  29. 29.52 × 4 =
  30. 30.57 × 4 =
  31. 31.27 × 4 =
  32. 32.53 × 4 =
  33. 33.34 × 4 =
  34. 34.25 × 4 =
  35. 35.28 × 4 =
  36. 36.49 × 4 =
  37. 37.55 × 4 =
  38. 38.43 × 4 =
  39. 39.21 × 4 =
  40. 40.37 × 4 =

Answer key

  1. 24
  2. 176
  3. 124
  4. 40
  5. 200
  6. 144
  7. 32
  8. 76
  9. 232
  10. 156
  11. 104
  12. 68
  13. 180
  14. 168
  15. 224
  16. 72
  17. 164
  18. 80
  19. 236
  20. 56
  21. 28
  22. 48
  23. 60
  24. 44
  25. 140
  26. 160
  27. 36
  28. 128
  29. 208
  30. 228
  31. 108
  32. 212
  33. 136
  34. 100
  35. 112
  36. 196
  37. 220
  38. 172
  39. 84
  40. 148

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