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Multiply by 4 Worksheet

Maths tricks trick 3: Times 4: double, double · Set 644 · 40 questions
TalentJR

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

NameDateTime takenScore ___ / 40
  1. 1.21 × 4 =
  2. 2.41 × 4 =
  3. 3.42 × 4 =
  4. 4.9 × 4 =
  5. 5.14 × 4 =
  6. 6.7 × 4 =
  7. 7.28 × 4 =
  8. 8.6 × 4 =
  9. 9.50 × 4 =
  10. 10.37 × 4 =
  11. 11.40 × 4 =
  12. 12.56 × 4 =
  13. 13.26 × 4 =
  14. 14.43 × 4 =
  15. 15.27 × 4 =
  16. 16.47 × 4 =
  17. 17.29 × 4 =
  18. 18.18 × 4 =
  19. 19.55 × 4 =
  20. 20.16 × 4 =
  21. 21.54 × 4 =
  22. 22.36 × 4 =
  23. 23.12 × 4 =
  24. 24.20 × 4 =
  25. 25.38 × 4 =
  26. 26.58 × 4 =
  27. 27.60 × 4 =
  28. 28.13 × 4 =
  29. 29.25 × 4 =
  30. 30.57 × 4 =
  31. 31.22 × 4 =
  32. 32.31 × 4 =
  33. 33.35 × 4 =
  34. 34.48 × 4 =
  35. 35.53 × 4 =
  36. 36.10 × 4 =
  37. 37.59 × 4 =
  38. 38.49 × 4 =
  39. 39.30 × 4 =
  40. 40.44 × 4 =

Answer key

  1. 84
  2. 164
  3. 168
  4. 36
  5. 56
  6. 28
  7. 112
  8. 24
  9. 200
  10. 148
  11. 160
  12. 224
  13. 104
  14. 172
  15. 108
  16. 188
  17. 116
  18. 72
  19. 220
  20. 64
  21. 216
  22. 144
  23. 48
  24. 80
  25. 152
  26. 232
  27. 240
  28. 52
  29. 100
  30. 228
  31. 88
  32. 124
  33. 140
  34. 192
  35. 212
  36. 40
  37. 236
  38. 196
  39. 120
  40. 176

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