Year 1 - Maths
Explore, discuss and identify shapes that are and are not rectangles
Recognise, compose, decompose and manipulate 2D and 3D shapes
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Study Guides
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 compose, copy, extend and develop repeating and radiating patterns. They will explore, discuss and compare 3D and 2D shapes.
Lesson Summary
You will learn to say if a shape is a rectangle or not and explain why.
Key Notes
- Rectangles have 4 straight sides.
- Rectangles have 4 vertices that are all the same. They are square corners.
- A square is a special type of rectangle with all sides the same length.
- An oblong is a rectangle with 4 sides that are not all equal.
Vocabulary To Learn
- Rectangle: A 2D shape with 4 sides and 4 vertices that are all the same.
- Square: A special type of rectangle with 4 equal sides.
- Sides: The edges of a shape.
- Vertices: The corners of a shape.
- Straight: A line or surface with no curves.
Common Mistakes To Avoid
- Children may not see that a shape can have two different names e.g. a square is also a rectangle.
3 Quick Questions (With Answers)
1. Solve this in steps: explain the method from this lesson and why each step matters.
Rectangles have 4 straight sides. Rectangles have 4 vertices that are all the same. They are square corners.
2. Use this key word in a maths sentence and explain it clearly. 'Rectangle'
A 2D shape with 4 sides and 4 vertices that are all the same. Use this word when showing your method, then check your final answer is reasonable.
3. Spot and fix this common maths mistake.
Mistake: Children may not see that a shape can have two different names e.g. a square is also a rectangle. Correction: Use sorting hoops to sort rectangles and not rectangles. Then use a smaller hoop inside the 'rectangles' hoop to help identify the squares.
More Lessons In This Unit
- Compose tangram images Study Guide
- Composing pattern block images Study Guide
- Copy, extend and describe repeating patterns Study Guide
- Examine ways that cubes can be composed into different arrangements Study Guide
- Explore and recognise 2D shapes Study Guide
- Explore, discuss and compare 2D shapes Study Guide
- Explore, discuss and identify shapes that are and are not circles Study Guide
- Explore, discuss and identify shapes that are and are not triangles Study Guide
- Explore, recognise and compare three different 3D shapes Study Guide
- Explore, recognise and compare three more 3D shapes Study Guide
- Identify 2D shapes within 3D shapes Study Guide
- Radiating patterns Study Guide
- Recognise, describe and sort 3D shapes Study Guide
- Tetrominoes and pentominoes Study Guide
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