Year 9
Explore enlargement invariants
Build, test and save an untimed investigation. No account needed.
Guided activity · Untimed · No grade
Draw a triangle, choose a centre and scale factor, then construct its enlarged image. Compare side ratios, areas and angles.
Opening your workspace…
Review your work
- Check that your representation matches the question you chose.
- Use the checked calculations or test cases to find and correct errors.
- Explain what your result means and one limitation. Review written reasoning yourself or with a teacher.
Checked calculations and tests support your review. Written explanations and real-world data collection are self- or teacher-reviewed.
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