Position & direction

Reflecting shapes

Name: ______________________________Date: ______________Score: ______ / 20

1.
A vertex is 2 squares from the mirror line. How many squares from the mirror line is its reflection?
squares
2.
Vertex C is 3 squares from the mirror line. How many squares from the mirror line is its reflection?
squares
3.
A vertex is 4 squares from the mirror line. How many squares from the mirror line is its reflection?
squares
4.
A vertex is 2 squares to the LEFT of a vertical mirror line. Where is its reflection?
1. A2 squares to the right of the mirror line
2. B2 squares to the left of the mirror line
3. C4 squares to the right of the mirror line
4. Don the mirror line
5.
A vertex is 3 squares ABOVE a horizontal mirror line. Where is its reflection?
1. A3 squares above the mirror line
2. B3 squares below the mirror line
3. C6 squares below the mirror line
4. Don the mirror line
6.
A reflected shape is the same size as the original shape.
True False
7.
Does a reflected shape have a greater, smaller, or the same area as the original?
1. Aa greater area
2. Ba smaller area
3. Cthe same area
4. Dno area
8.
A parallelogram is reflected over a mirror line along one of its edges. The original and the reflection together make which new shape?
1. Aa triangle
2. Ba circle
3. Ca pentagon
4. Da hexagon
9.
In the worked example, the shape is reflected over a mirror line that goes straight up and down. What kind of mirror line is this?
1. Aa vertical mirror line
2. Ba horizontal mirror line
3. Ca diagonal mirror line
4. Dno mirror line
10.
Raj joins each vertex of a shape to its reflected vertex with a red line. What is true about these red lines?
1. AThey run along the mirror line.
2. BThey cross the mirror line at right angles.
3. CThey never touch the mirror line.
4. DThey make the shape bigger.
11.
How do you reflect a shape accurately on a grid?
1. ADraw the shape bigger on the other side.
2. BSlide the shape along the mirror line.
3. CCount the squares from each vertex to the mirror line and mark the same distance on the other side.
4. DTurn the shape upside down.
12.
A pentagon has 5 vertices. How many vertices does its reflection have?
13.
When you reflect a shape, each vertex and its reflection are the same distance from the mirror line.
True False
14.
A reflected shape is bigger than the original shape.
True False
15.
You place a real mirror along the mirror line. Why is this useful?
1. ATo make the shape larger.
2. BTo rub out the original shape.
3. CTo measure the angles.
4. DTo check your reflection is drawn accurately.
16.
A shape sits with one edge exactly on the mirror line. What happens to a vertex that is ON the mirror line when you reflect the shape?
1. AIt stays in the same place.
2. BIt moves 2 squares away.
3. CIt disappears.
4. DIt moves onto the y-axis.
17.
Vertex A is 2 squares from the mirror line and vertex C is 3 squares from it. What is the total distance from A to its reflection of A, straight through the mirror line?
squares
18.
Vertex C is 3 squares from the mirror line. What is the total distance from C to its reflection, straight through the mirror line?
squares
19.
A square is reflected over a mirror line. What shape is the reflection?
1. Aa rectangle
2. Ba square
3. Ca triangle
4. Da hexagon
20.
The red lines joining each vertex to its reflected vertex are parallel to the mirror line.
True False

Answer key

Position & direction — Reflecting shapes

1.2 squares
2.3 squares
3.4 squares
4.A. 2 squares to the right of the mirror line
5.B. 3 squares below the mirror line
6.True
7.C. the same area
8.D. a hexagon
9.A. a vertical mirror line
10.B. They cross the mirror line at right angles.
11.C. Count the squares from each vertex to the mirror line and mark the same distance on the other side.
12.5
13.True
14.False
15.D. To check your reflection is drawn accurately.
16.A. It stays in the same place.
17.4 squares
18.6 squares
19.B. a square
20.False