Maths quiz illustration

Scale Factor

Maths · Grade 7 · Week 33 · 25 questions

Factors and multiples reveal the building blocks of numbers. Understanding HCF and LCM helps you simplify fractions, find common denominators, and solve real-world problems.

What you'll practise

  • Find the mean of data sets
  • Work with angles
  • Find the mode of data sets
  • Find factors and multiples of numbers
All 25 questions in this Scale Factor quiz

Grade 7 MathsScale Factor: 25 practice questions with instant scoring and explanations.

  1. Evaluate 10x + 9 where x=5
  2. Evaluate 3x + 2 where x=20
  3. Evaluate 9x + 4 where x=17
  4. Scale factor from 4cm to 12cm:
  5. Scale factor from 10cm to 5cm:
  6. Scale factor from 6cm to 18cm:
  7. Original 8cm, scale factor 2.5, new length:
  8. Original 15cm, scale factor 1/3, new length:
  9. New length 24cm, scale factor 4, original:
  10. New length 9cm, scale factor 3, original:
  11. Map scale 1:50000, 3cm on map = real:
  12. Map scale 1:25000, 4cm on map = real:
  13. Real distance 10km, map scale 1:100000, map length:
  14. Model car is 1:20 scale, real car 4m, model:
  15. Scale factor 1 means:
  16. Scale factor > 1 means:
  17. Scale factor < 1 means:
  18. Original area 16cm², scale factor 2, new area:
  19. Rectangle 3×5, scale factor 3, new dimensions:
  20. Triangle sides 4,5,6, scale factor 2, new sides:
  21. Scale factor from 20cm to 4cm:
  22. Photo 10×15cm enlarged by factor 2:
  23. Floor plan 1:100, room 5m × 4m on plan:
  24. Scale factor 4, original perimeter 20cm, new:
  25. If area ratio is 9:1, length scale factor:
Question 1 of 250 correct so far

Evaluate 10x + 9 where x=5