Year 3 - Maths
Make and draw quadrilaterals on circular geoboards
Parallel and perpendicular sides in polygons
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This pupil-friendly study guide includes a unit summary, clear notes, common mistakes, and quick questions with answers.
Unit Summary
In this unit pupils will investigate ways to compose and decompose polygons. They will investigate quadrilaterals with and without parallel and perpendicular sides.
Lesson Summary
You will learn to make and draw quadrilaterals on circular geoboards and name quadrilaterals according to their properties.
Key Notes
- Join four dots on the edge of the circle to create a quadrilateral.
- Use the properties of the quadrilateral to decide if the quadrilaterals are different or the same.
- Work systematically to create all the different possible quadrilaterals.
Vocabulary To Learn
- Quadrilateral: A quadrilateral is a polygon with four straight sides and four vertices.
- Vertex / vertices: A vertex is the point where two lines meet. The plural is vertices.
- Parallel: Parallel lines are straight lines that are always the same distance apart. They never get closer together or further apart.
Common Mistakes To Avoid
- Pupils find remembering the types and properties of quadrilaterals challenging.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Join four dots on the edge of the circle to create a quadrilateral. Use the properties of the quadrilateral to decide if the quadrilaterals are different or the same.
2. Use this key word in a maths sentence and explain it clearly. 'Quadrilateral'
A quadrilateral is a polygon with four straight sides and four vertices. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Pupils find remembering the types and properties of quadrilaterals challenging. Correction: Take time to repeat and revisit the key properties within the lesson and beyond. Consider providing a scaffold for some pupils so they can create quadrilaterals without having to recall the specific properties each time.
More Lessons In This Unit
- Construct quadrilaterals with and without parallel and perpendicular sides Study Guide
- Draw polygons on isometric paper Study Guide
- Draw shapes with given properties Study Guide
- Draw shapes with given properties on a range of geometric grids Study Guide
- Identifying parallel lines Study Guide
- Investigate different ways of decomposing a polygon Study Guide
- Make and draw shapes with and without parallel and perpendicular sides Study Guide
- Make and draw triangles on circular geoboards Study Guide
- Make shapes by joining two polygons in different ways Study Guide
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