This lesson was completed in class and is provided here for you to review.
a. Objective The student will be able to distinguish between the slopes of lines and classify them as parallel, perpendicular, or intersecting.
CCSS.ELA-Literacy.RST.9-10.9 Compare and contrast findings presented in a text to those from other sources (including their own experiments), noting when the findings support or contradict previous explanations or accounts.
b. Introduction Talk about the theory of another universe where everything is the complete opposite. Have fun exploring what things would be like in this universe. This is called a parallel universe because it is a universe that is separate to ours and alongside ours.
c. Model Explain that parallel lines are distinct (or separate) lines that never intersect because they have the same slope. Graph the lines 3x + 4y = 12 and 6x + 8y = 8 and show that they never touch along the graph. Point out that they are two separate lines since they go through different points. Finally find the slope of each and show that they are the same.
d. Guided Practice, Students are to work in groups of 3 or 4 on the parallel slope worksheet. It will contain 10 questions each with a pair of lines. Students should graph each line and make a prediction about whether or not they are parallel. Students should then check their predictions by calculating the slope of each line.
e. Independent Practice Students are to work on the problems in the textbook for homework and point out when two lines are parallel. As a bonus, students can create a word problem that utilizes two parallel lines.
f. Assessment Each student will write, in their own words, what makes two lines parallel.
a. Objective
The student will be able to distinguish between the slopes of lines and classify them as parallel, perpendicular, or intersecting.
CCSS.ELA-Literacy.RST.9-10.9 Compare and contrast findings presented in a text to those from other sources (including their own experiments), noting when the findings support or contradict previous explanations or accounts.
b. Introduction
Talk about the theory of another universe where everything is the complete opposite. Have fun exploring what things would be like in this universe. This is called a parallel universe because it is a universe that is separate to ours and alongside ours.
c. Model
Explain that parallel lines are distinct (or separate) lines that never intersect because they have the same slope. Graph the lines 3x + 4y = 12 and 6x + 8y = 8 and show that they never touch along the graph. Point out that they are two separate lines since they go through different points. Finally find the slope of each and show that they are the same.
d. Guided Practice,
Students are to work in groups of 3 or 4 on the parallel slope worksheet. It will contain 10 questions each with a pair of lines. Students should graph each line and make a prediction about whether or not they are parallel. Students should then check their predictions by calculating the slope of each line.
e. Independent Practice
Students are to work on the problems in the textbook for homework and point out when two lines are parallel. As a bonus, students can create a word problem that utilizes two parallel lines.
f. Assessment
Each student will write, in their own words, what makes two lines parallel.