Common Core · Grade 8
8.EE.B.5
Grade 8 — Graph proportional relationships, interpreting the unit rate as the slope, and compare two proportional relationships represented in different ways.
The skill that covers it
What a student should be able to do
- Decide whether a table, a graph or an equation shows a proportional relationship.
- Find the constant of proportionality k and write the equation y = kx.
- Read the unit rate off a graph as the y-value at x = 1 and interpret the point (1, k).
- Compare two proportional relationships given in different forms.