Similar figures: area scale factor

Sample Similar figures: area scale factor questions

A few of the 25 questions, from easier to harder. Choose your exam board and tier to practise them, with every answer marked.

1. Question 12 marksGrade 3
   A small square has side length $x$ cm. A large square has side length 15 cm. The area of the small square is $\dfrac{1}{9}$ of the area of the large square. Work out the value of $x$

What are the common mistakes in Similar figures: area scale factor?

When a pupil makes one of these on Revision Workshop, the marking engine names the mistake and explains it, instead of just marking the answer wrong.

• Uses the linear scale factor directly instead of squaring it for an area calculation

  Multiplied the area by the length scale factor directly ($11.8 \times 2.75 = 32.45$) instead of squaring the scale factor first (area SF $= 2.75^2 = 7.5625$

Quick answers about Similar figures: area scale factor

How many Similar figures: area scale factor practice questions are there?

There are 25 self-marking GCSE and IGCSE Maths questions on Similar figures: area scale factor, written for AQA, Pearson, OCR, Pearson International GCSE Maths A (4MA1) across Foundation and Higher tier. Each one is marked instantly and has a full worked solution.

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No. You can start practising Similar figures: area scale factor straight away without an account. A free account keeps your results across sessions, so you can see your progress on this topic over time.