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Similarity - Linear, area, volume scale factors

Use the links between scale factors for length, area and volume to solve problems

4 hand-picked video lessons for this topic, each checked for relevance and clarity, graded by difficulty and labelled by depth. Press play to watch — nothing loads from YouTube until you do.

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Grade 6–9 Core 🇬🇧 UK

Similar Areas and Volumes - GCSE Higher Maths

1st Class Maths 175K views

Clear, well-chaptered walkthrough of area and volume scale factors with plenty of worked examples.

Jump to 0:10Finding scale factors for area 2:41Finding scale factors for volume 5:41Example 1 - Finding a missing area 7:02Example 2 - Finding a missing volume 8:19Example 3 - Finding a missing area but on the smaller shape 9:25Example 4 - Question with no lengths (only area/volume)

Grade 6–9 Core 🇬🇧 UK

Similar Shapes - Area and Volume Scale Factors | GCSE Maths Tutor

The GCSE Maths Tutor 247K views

Thorough Higher-tier revision of area and volume scale factors with many strategies and examples.

Grade 5–9 Core 🇬🇧 UK

Similar Shapes: Length, Area and Volume

Maths Genie 216K views

Maths Genie explains how length, area and volume scale factors link, with GCSE-style questions.

Grade 6–8 Core 🇬🇧 UK

Similar Shapes - Scale factor of area and volume | ExamSolutions

ExamSolutions 10K views

Concise ExamSolutions tutorial on the relationship between area and volume scale factors.