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Detailed Explanation of Count Sides and Vertices 🧮📐
When we talk about sides and vertices in shapes, we are learning about the parts that make up the shape. This is an important part of Maths for Year 2, especially in the Key Stage 1 National Curriculum.
What Are Sides? ➖
A side is a straight line that makes up the outside of a shape. When you look at a shape, you can see these straight lines.
What Are Vertices? 📍
Vertices (one vertex) are the corners where two sides meet. You can think of a vertex as a point or a dot that joins the sides together.
How to Count Sides and Vertices 🔢
To count the sides, carefully look at each straight line of the shape and count one by one until you have counted all the lines.
To count the vertices, look at each corner where the sides meet, and count carefully.
Examples of Shapes and How Many Sides and Vertices They Have 🔍
- Triangle
- It has 3 sides.
- It has 3 vertices.
- Square
- It has 4 sides. All sides are the same length.
- It has 4 vertices.
- Rectangle
- It has 4 sides too, but some sides are longer than the others.
- It has 4 vertices.
- Pentagon
- It has 5 sides.
- It has 5 vertices.
Remember! ⚠️
- Every side has two ends, and each end is a vertex.
- The number of sides and the number of vertices in a shape is always the same.
Helpful Tips for Counting 📝
- Use your finger to trace each side slowly.
- Point at each corner out loud to count the vertices.
- Draw the shape and write the numbers of sides and vertices next to it.
Using these simple steps and examples will help you understand how to count sides and vertices in shapes. This is part of your Year 2 Maths learning and helps you know more about shapes and their properties!
20 Examination-Style Questions with Answers on Count Sides and Vertices ✏️📚
Counting Sides and Vertices in 2D Shapes for Year 2
Here are 20 mixed questions to help Year 2 students practise counting sides and vertices of 2D shapes. There are multiple choice, fill in the blanks, and short answer questions. Answers are provided to support learning.
Multiple Choice Questions ❓
- How many sides does a triangle have?
- a) 2
- b) 3
- c) 4
Answer: b) 3
- How many vertices does a square have?
- a) 3
- b) 4
- c) 5
Answer: b) 4
- A rectangle has how many sides?
- a) 3
- b) 4
- c) 5
Answer: b) 4
- How many vertices does a pentagon have?
- a) 4
- b) 5
- c) 6
Answer: b) 5
- Which shape has 6 sides?
- a) Triangle
- b) Hexagon
- c) Square
Answer: b) Hexagon
Fill in the Blanks 📝
- A circle has __ sides and __ vertices.
Answer: 0 sides and 0 vertices - A shape with 4 equal sides and 4 vertices is a ___.
Answer: square - A shape with 3 sides and 3 vertices is called a ___.
Answer: triangle - A pentagon has __ sides and __ vertices.
Answer: 5 sides and 5 vertices - A rectangle has __ pairs of equal sides.
Answer: 2 pairs
Short Answer Questions 🖍️
- Draw a triangle. How many sides does it have?
Answer: 3 sides - Name a shape that has 8 sides. How many vertices does it have?
Answer: Octagon, 8 vertices - How many sides and vertices does a square have?
Answer: 4 sides and 4 vertices - What is the difference between the number of sides and vertices in a hexagon?
Answer: They are the same; 6 sides and 6 vertices - Count the sides on a pentagon and say how many there are.
Answer: 5 sides - How many vertices does a shape have if it has 6 sides?
Answer: 6 vertices - If a shape has 3 vertices, how many sides does it have?
Answer: 3 sides - True or False: A square has more vertices than a triangle.
Answer: True - Which shape has no sides and no vertices?
Answer: Circle - If a shape has 4 sides but not all sides are equal, name one possible shape.
Answer: Rectangle
These questions will help Year 2 students practise and revise counting sides and vertices on different 2D shapes. Encourage drawing shapes when answering to support understanding!
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