Parallel Lines

Are railroad tracks an example of parallel lines? Why?

• Yes

• Only on Tuesdays

• No

• Sometimes

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CCSS.HSG.CO.A.1

CCSS.4.G.A.1

What are parallel lines?

• Parallel lines are two lines that form a right angle.

• Parallel lines are two lines that never intersect.

• Parallel lines are two lines that intersect at one point.

• Parallel lines are two lines that are perpendicular to each other.

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CCSS.HSG.CO.A.1

How can you identify parallel lines?

• By checking if the lines intersect at a right angle

• By counting the number of sides of the lines

• By checking if the slopes of the lines are equal.

• By measuring the length of the lines

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CCSS.HSG.CO.A.1

Do parallel lines ever intersect? Why or why not?

• Yes

• No

• Sometimes

• Only in certain conditions

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CCSS.HSG.CO.A.1

CCSS.4.G.A.1

Which of the following describes parallel lines?

• Lines that cross each other

• Lines that never meet, no matter how far they are extended

• Lines that meet at a right angle

• Lines that curve away from each other

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CCSS.HSG.CO.A.1

Look at the following pairs of lines. Which pair is parallel?

• Lines that intersect

• Lines that form a "T" shape

• Lines that do not touch or intersect, even if extended

• Lines that form an "X" shape

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CCSS.HSG.CO.A.1

CCSS.4.G.A.1

If two lines are parallel, what can you say about their direction?

• They go in opposite directions

• They curve away from each other

• They go in the same direction and never cross

• They cross each other

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CCSS.8.G.A.5

How can you draw parallel lines?

• By making two lines meet at a point

• By drawing two lines that curve away from each other

• By using a ruler to draw two lines the same distance apart along their entire length

• By drawing two lines that cross each other

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CCSS.HSG.CO.A.1

CCSS.4.G.A.1

What tool can help you draw parallel lines?

• Compass

• Ruler

• Protractor

• Triangle

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CCSS.HSG.CO.A.1

CCSS.4.G.A.1

When drawing parallel lines, what should you ensure about their spacing?

• The spacing curves as the lines are extended

• The spacing decreases as the lines are extended

• The spacing remains constant as the lines are extended

• The spacing will cause the lines to cross as they expend

Tags

CCSS.HSG.CO.A.1

CCSS.4.G.A.1