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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 428 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.40 × 4 =
  2. 2.13 × 4 =
  3. 3.25 × 4 =
  4. 4.30 × 4 =
  5. 5.17 × 4 =
  6. 6.48 × 4 =
  7. 7.57 × 4 =
  8. 8.35 × 4 =
  9. 9.41 × 4 =
  10. 10.9 × 4 =
  11. 11.51 × 4 =
  12. 12.32 × 4 =
  13. 13.26 × 4 =
  14. 14.52 × 4 =
  15. 15.14 × 4 =
  16. 16.45 × 4 =
  17. 17.27 × 4 =
  18. 18.16 × 4 =
  19. 19.46 × 4 =
  20. 20.21 × 4 =
  21. 21.58 × 4 =
  22. 22.39 × 4 =
  23. 23.28 × 4 =
  24. 24.49 × 4 =
  25. 25.53 × 4 =
  26. 26.12 × 4 =
  27. 27.38 × 4 =
  28. 28.23 × 4 =
  29. 29.8 × 4 =
  30. 30.7 × 4 =
  31. 31.55 × 4 =
  32. 32.20 × 4 =
  33. 33.56 × 4 =
  34. 34.36 × 4 =
  35. 35.47 × 4 =
  36. 36.59 × 4 =
  37. 37.19 × 4 =
  38. 38.6 × 4 =
  39. 39.15 × 4 =
  40. 40.18 × 4 =

Answer key

  1. 160
  2. 52
  3. 100
  4. 120
  5. 68
  6. 192
  7. 228
  8. 140
  9. 164
  10. 36
  11. 204
  12. 128
  13. 104
  14. 208
  15. 56
  16. 180
  17. 108
  18. 64
  19. 184
  20. 84
  21. 232
  22. 156
  23. 112
  24. 196
  25. 212
  26. 48
  27. 152
  28. 92
  29. 32
  30. 28
  31. 220
  32. 80
  33. 224
  34. 144
  35. 188
  36. 236
  37. 76
  38. 24
  39. 60
  40. 72

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