TheLearnDen

Year 9 · Maths

Solve Problems Involving Perimeters And Areas Of 2D Shapes

Year 9 learners practise circumference and area of a circle.

The activities include Find the Areas of Circles Using Their Diameters, Find the Circumference and Area of a Circle, Find the Perimeter of Part Circles, and related practice. The checked support below includes video, worksheet, teaching, practice. Open a resource in its provider's website and choose the format that best helps the learner explain the idea independently.

Activities covered

  • Find the Areas of Circles Using Their Diameters
  • Find the Circumference and Area of a Circle
  • Find the Perimeter of Part Circles
  • Find the Radius of a Circle From Its Area
  • Revise Similar Triangles

Checked learning resources

  • Using the formula for the area of a circle

    Oak National Academy · Video · Opens on the provider website

    I can use the formula for the area of a circle to calculate either the area or a missing measurement. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Find the Areas of Circle

  • Multiplicative relationships in circles

    Oak National Academy · Video · Opens on the provider website

    I can recognise that there is a constant multiplicative relationship (π) between the diameter and circumference of a circle. This KS3 maths video lesson directly teaches the concepts and calculation method required by "F

  • 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. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Find the Peri

  • Similarity in shapes

    Oak National Academy · Video · Opens on the provider website

    I can recognise that similar shapes have sides in proportion to each other but angle sizes are preserved. This KS3 maths video lesson directly teaches the concepts and calculation method required by "Revise Similar Trian

  • Perimeter, Area, Volume

    BBC Bitesize · Worksheet · Opens on the provider website

    BBC KS3 maths teaching, worked examples and practice checks for Solve Problems Involving Perimeters And Areas Of 2D Shapes. This was selected against the complete context of "Find the Areas of Circles Using Their Diamete

  • Perimeter, area and volume: lesson sequence

    Oak National Academy · Teaching · Opens on the provider website

    This KS3 Oak unit provides sequenced teaching and worked examples on Perimeter, area and volume, including the closest lesson: Using the formula for the area of a circle.

  • Geometrical properties: similarity and Pythagoras' theorem: lesson sequence

    Oak National Academy · Teaching · Opens on the provider website

    This KS3 Oak unit provides sequenced teaching and worked examples on Geometrical properties: similarity and Pythagoras' theorem, including the closest lesson: Similarity in shapes.

  • Revise Similar Triangles video

    Corbettmaths Primary · Video · Opens on the provider website

    Year 9 Maths video matched to revise similar triangles.