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