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Math Activities 8th Grade - Proportions, Slope, y=mx+b - CCSS 8.EE.5,6

Hilda Ratliff
1.3k Followers
Grade Levels
8th
Subjects
Standards
Resource Type
Formats Included
  • PDF
Pages
38 pages
$6.00
$6.00
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Hilda Ratliff
1.3k Followers

Description

Five activities are included in this resource on proportional relationships and slope (8.EE.5, 8.EE.6).

1st Activity:
Guided notes on the constant of proportionality and three different representations of proportional relationships are included in this activity. The unit rate is found using an equation, a graph or a table.

2nd Activity:
Students will compare proportional relationships which are represented in different ways. There is an example that is followed by four application problems. This activity may be used as a group activity.

3rd Activity:
Guided notes and examples on determining the slope of a line when the graph is given are included in the activity. Similar triangles are used to show that the slope of a line may be found by choosing any two points on the line. Zero slopes and undefined slopes are covered as well as positive and negative slopes.

4th Activity:
Students will discover the slope-intercept form of a line. They will identify the slope and y-intercept given an equation. They will write an equation of a line given a graph.

5th Activity:
Students will write an equation of a line given a graph and sketch the graph of a line given an equation in slope-intercept form.

Detailed teacher notes and answer keys are included.

Click on a link to view additional 8th grade resources.

8th Grade Math - Functions - Rate of Change, Initial Value - CCSS 8.F.1,2,3

8th Grade Math - Functions (2) - Construct, Interpret, Describe - CCSS 8.F.4-5

8th Grade Math Compare Functions - Two Matching Games - CCSS 8.F.2

Common Core Math 8th grade (8.EE1,2) Activities Plus I Have - Who Has Game

Volume of Cones, Cylinders, Spheres Common Core Math 8.G.

Math Board Games Bundle - 8th Grade (8.NS, 8.EE, 8.F, 8.G, 8.SP)

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Created by Hilda Ratliff
Total Pages
38 pages
Answer Key
Included
Teaching Duration
N/A
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Standards

to see state-specific standards (only available in the US).
Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line in the coordinate plane; derive the equation 𝘺 = 𝘮𝘹 for a line through the origin and the equation 𝘺 = 𝘮𝘹 + 𝘣 for a line intercepting the vertical axis at 𝘣.
Graph proportional relationships, interpreting the unit rate as the slope of the graph. Compare two different proportional relationships represented in different ways. For example, compare a distance-time graph to a distance-time equation to determine which of two moving objects has greater speed.

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