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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 303 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.49 × 4 =
  2. 2.20 × 4 =
  3. 3.29 × 4 =
  4. 4.12 × 4 =
  5. 5.14 × 4 =
  6. 6.60 × 4 =
  7. 7.9 × 4 =
  8. 8.59 × 4 =
  9. 9.55 × 4 =
  10. 10.11 × 4 =
  11. 11.58 × 4 =
  12. 12.13 × 4 =
  13. 13.40 × 4 =
  14. 14.8 × 4 =
  15. 15.32 × 4 =
  16. 16.46 × 4 =
  17. 17.15 × 4 =
  18. 18.47 × 4 =
  19. 19.10 × 4 =
  20. 20.54 × 4 =
  21. 21.48 × 4 =
  22. 22.43 × 4 =
  23. 23.23 × 4 =
  24. 24.16 × 4 =
  25. 25.26 × 4 =
  26. 26.35 × 4 =
  27. 27.25 × 4 =
  28. 28.44 × 4 =
  29. 29.6 × 4 =
  30. 30.18 × 4 =
  31. 31.56 × 4 =
  32. 32.37 × 4 =
  33. 33.28 × 4 =
  34. 34.21 × 4 =
  35. 35.41 × 4 =
  36. 36.45 × 4 =
  37. 37.50 × 4 =
  38. 38.31 × 4 =
  39. 39.19 × 4 =
  40. 40.24 × 4 =

Answer key

  1. 196
  2. 80
  3. 116
  4. 48
  5. 56
  6. 240
  7. 36
  8. 236
  9. 220
  10. 44
  11. 232
  12. 52
  13. 160
  14. 32
  15. 128
  16. 184
  17. 60
  18. 188
  19. 40
  20. 216
  21. 192
  22. 172
  23. 92
  24. 64
  25. 104
  26. 140
  27. 100
  28. 176
  29. 24
  30. 72
  31. 224
  32. 148
  33. 112
  34. 84
  35. 164
  36. 180
  37. 200
  38. 124
  39. 76
  40. 96

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