TheLearnDenYear 8 · Maths
Solve Problems Involving Perimeters And Areas Of 2D Shapes
Year 8 learners practise area and perimeter of 2d shapes including circles.
The activities include Calculate Sides and Areas of Similar Shapes Using Area Scale Factors, Calculate Sides and Volumes of Similar Shapes Using Volume Scale Factors, Find the Area of a Circle, and related practice. The checked support below includes video, teaching, worksheet, lesson. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.
Activities covered
- Calculate Sides and Areas of Similar Shapes Using Area Scale Factors
- Calculate Sides and Volumes of Similar Shapes Using Volume Scale Factors
- Find the Area of a Circle
- Find the Area of Compound Shapes
- Find the Area of Compound Squares and Rectangles
- Find the Area of Part Circles
- Find the Area of Shaded Circular Rings
- Find the Circumference of a Circle
- Find the Circumference of a Circle Using Diameter or Radius
- Find the Perimeter of Part Circles
- Practise Finding the Area of a Circle
- Solve Problems Using the Circumference and Area of a Circle
Checked learning resources
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Area scale factors in similar shapes video
YouTube — Corbettmaths · Video · Opens on the provider website
Use length and area scale factors to calculate missing side lengths and areas of mathematically similar shapes.
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Volume scale factors in similar shapes video
YouTube — Corbettmaths · Video · Opens on the provider website
Use length and volume scale factors to calculate missing lengths and volumes of mathematically similar solids.
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Oak video: Circumference Of A Circle
Oak National Academy · Video · Opens on the provider website
I can use the relationship C=πd to calculate unknown lengths in contexts involving the circumference of circles. The formula can be used to find the circumference when you know the diameter. The formula can be used to fi
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Oak video: Perimeter Of Composite Shapes
Oak National Academy · Video · Opens on the provider website
I can solve perimeter problems of composite shapes involving whole and/or part circles. The length of fractions of the circumference of a circle can be found. The perimeter of parts of a circle can be found using the for
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Area scale factors in similar shapes worked-example lesson
Corbettmaths · Teaching · Opens on the provider website
Use length and area scale factors to calculate missing side lengths and areas of mathematically similar shapes.
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Area scale factors in similar shapes practice
Corbettmaths · Worksheet · Opens on the provider website
Use length and area scale factors to calculate missing side lengths and areas of mathematically similar shapes.
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Volume scale factors in similar shapes worked-example lesson
Corbettmaths · Teaching · Opens on the provider website
Use length and volume scale factors to calculate missing lengths and volumes of mathematically similar solids.
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Oak lesson slides: Circumference Of A Circle
Oak National Academy · Teaching · Opens on the provider website
I can use the relationship C=πd to calculate unknown lengths in contexts involving the circumference of circles. The formula can be used to find the circumference when you know the diameter. The formula can be used to fi