How to find symmetry of a line - SSAT Elementary Level Quantitative
Card 1 of 28
is the midpoint of the number line that extends from 
to 
. What is the value of 
?
Tap to reveal answer
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
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The length of a certain line is 
inches. If this line is cut in half, how long is each half?
The length of a certain line is
Tap to reveal answer
Divide the length of the line by 2 to find the length of each half:
Divide the length of the line by 2 to find the length of each half:
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How many lines of symmetry does a square have?
How many lines of symmetry does a square have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
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How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
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How many lines of symmetry does a rectangle have?
How many lines of symmetry does a rectangle have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
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How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is 
.
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is
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How many lines of symmetry does the figure have? This is not an equilateral triangle.
How many lines of symmetry does the figure have? This is not an equilateral triangle.
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There is only one line of symmetry in this figure. It would be right down the middle. 
There is only one line of symmetry in this figure. It would be right down the middle.
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How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is .
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is
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is the midpoint of the number line that extends from to . What is the value of ?
Tap to reveal answer
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
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The length of a certain line is inches. If this line is cut in half, how long is each half?
The length of a certain line is
Tap to reveal answer
Divide the length of the line by 2 to find the length of each half:
Divide the length of the line by 2 to find the length of each half:
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How many lines of symmetry does a square have?
How many lines of symmetry does a square have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
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How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
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How many lines of symmetry does a rectangle have?
How many lines of symmetry does a rectangle have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
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How many lines of symmetry does the figure have? This is not an equilateral triangle.
How many lines of symmetry does the figure have? This is not an equilateral triangle.
Tap to reveal answer
There is only one line of symmetry in this figure. It would be right down the middle.
There is only one line of symmetry in this figure. It would be right down the middle.
← Didn't Know|Knew It →
How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is .
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since an octagon has eight sides, the correct answer is
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is the midpoint of the number line that extends from to . What is the value of ?
Tap to reveal answer
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
Find the average of the two endpoints to find their midpoint. To find the average of two numbers, add them together and divide by two.
← Didn't Know|Knew It →
The length of a certain line is inches. If this line is cut in half, how long is each half?
The length of a certain line is
Tap to reveal answer
Divide the length of the line by 2 to find the length of each half:
Divide the length of the line by 2 to find the length of each half:
← Didn't Know|Knew It →
How many lines of symmetry does a square have?
How many lines of symmetry does a square have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does sides. Since a square has four sides, the correct answer is 4!
← Didn't Know|Knew It →
How many lines of symmetry does an octagon have?
How many lines of symmetry does an octagon have?
Tap to reveal answer
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
A line of symmetry divides a shape into two equal and identical halves. Any regular shape has as many lines of symmetry as it does sides. Since octagons have eight sides, the correct answer is 8.
← Didn't Know|Knew It →
How many lines of symmetry does a rectangle have?
How many lines of symmetry does a rectangle have?
Tap to reveal answer
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
A line of symmetry is the imaginary line that you draw through a shape so that you can fold the image over the line and have both halves match exactly. Any regular shape has as many lines of symmetry as it does total sides. Since a rectangle has four sides, the correct answer is 4!
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