# Lesson Worksheet: Reflections Mathematics • 8th Grade

In this worksheet, we will practice reflecting shapes in horizontal and vertical mirror lines on grids.

Q1:

Which of the following does not show a reflection?

• A • B • C • D • E Q2:

What is the image of under reflection in ? • A
• B
• C
• D

Q3:

What is the image of under reflection in line ? • A
• B
• C

Q4:

In which line must be reflected to get ? • A
• B
• C

Q5:

In the figure shown, is the image of after reflection in which line? • A
• B
• C

Q6:

What are the images of points and after a reflection in ? • A and
• B and
• C and
• D and

Q7:

What is the image of under reflection in ? • A
• B
• C
• D

Q8:

What is the image of under reflection in line ? • A
• B
• C

Q9:

In which line must be reflected to get ? • A
• B
• C

Q10:

What are the images of points and after a reflection in ? • A and
• B and
• C and

Q11:

is the image of by reflection across . • A
• B
• C
• D

Q12:

is the image of by reflection across . • A
• B
• C
• D

Q13:

In the equilateral triangle shown, is reflected in . What is its image? • A
• B
• C

Q14:

is the image of by reflection across . • A
• B
• C
• D

Q15:

James drew line on a grid and then constructed above it, as shown. Now he will reflect across line to produce . How long will be in squares?

Q16:

In which figure can the blue parallelogram be reflected across the dotted line onto the pink parallelogram?

• A • B • C • D Q17:

Natalie drew a square on a piece of graph paper. Now she will reflect the square across a line to produce its image. Will the square’s image also be a square?

• AYes
• BNo
• COnly if the line of reflection is horizontal
• DOnly if the line of reflection is vertical

Q18:

Below is an image of a trapezoid after it was reflected across the dotted line. Which of these figures shows how the trapezoid appeared before the reflection?

• A • B • C • D Q19:

Elizabeth tried to reflect point across the dotted line in the figure below, but she made a mistake. How can she fix her mistake?

• ABy moving point to the left 1 square
• BBy moving point down 1 square
• CBy moving point to the right 1 square
• DBy moving point up 1 square

Q20:

Anthony will reflect triangle in the figure below across a vertical line to produce triangle . Which of these is a correct statement about two of the vertices of triangle ?

• AVertex will be 4 squares to the left of vertex .
• BVertex will be 4 squares above vertex .
• CVertex will be 3 squares to the left of vertex .
• DVertex will be 3 squares above vertex .

Q21:

Pentagon and its image after a reflection across a line are shown. In which of these figures is the dotted line the line of reflection?

• A • B • C • D Q22:

Liam reflected a vertical line segment across a horizontal line. Olivia reflected a horizontal line segment across a vertical line. Which of these is a true statement about the images of Liam’s and Olivia’s line segments?

• AThe image of Liam’s is horizontal and the image of Olivia’s is vertical.
• BThe images of both are vertical.
• CThe image of Liam’s is vertical and the image of Olivia’s is horizontal.
• DThe images of both are horizontal.

Q23:

Five points are plotted on the grid in the figure below. When reflecting point across the dotted line, which of the four other points will it map onto?

• APoint
• BPoint
• CPoint
• DPoint