graph proportional relationships, interpreting the unit rate as the slope of the line that models the relationship
solve problems involving the volume of cylinders, cones, and spheres
identify and verify the values of x and y that simultaneously satisfy two linear equations in the form y = mx + b from the intersections of the graphed equations
generalize that the ratio of corresponding sides of similar shapes are proportional, including a shape and its dilation
identify functions using sets of ordered pairs, tables, mappings, and graphs
use an algebraic representation to explain the effect of a given positive rational scale factor applied to two-dimensional figures on a coordinate plane with the origin as the center of dilation
model and solve one-variable equations with variables on both sides of the equal sign that represent mathematical and real-world problems using rational number coefficients and constants
use the Pythagorean Theorem and its converse to solve problems
use data from a table or graph to determine the rate of change or slope and y-intercept in mathematical and real-world problems
explain the effect of translations, reflections over the x- or y-axis, and rotations limited to 90°, 180°, 270°, and 360° as applied to two-dimensional shapes on a coordinate plane using an algebraic representation
solve real-world problems comparing how interest rate and loan length affect the cost of credit
write an equation in the form y = mx + b to model a linear relationship between two quantities using verbal, numerical, tabular, and graphical representations
contrast bivariate sets of data that suggest a linear relationship with bivariate sets of data that do not suggest a linear relationship from a graphical representation
describe the volume formula V = Bh of a cylinder in terms of its base area and its height
construct a scatterplot and describe the observed data to address questions of association such as linear, non-linear, and no association between bivariate data
order a set of real numbers arising from mathematical and real-world contexts
use similar right triangles to develop an understanding that slope, m, given as the rate comparing the change in y-values to the change in x-values, (y2 - y1)/ (x2 - x1), is the same for any two points (x1, y1) and (x2, y2) on the same line
use models and diagrams to explain the Pythagorean theorem
use a trend line that approximates the linear relationship between bivariate sets of data to make predictions
model the effect on linear and area measurements of dilated two-dimensional shapes
calculate and compare simple interest and compound interest earnings
write a corresponding real-world problem when given a one-variable equation or inequality with variables on both sides of the equal sign using rational number coefficients and constants
use previous knowledge of surface area to make connections to the formulas for lateral and total surface area and determine solutions for problems involving rectangular prisms, triangular prisms, and cylinders
convert between standard decimal notation and scientific notation
write one-variable equations or inequalities with variables on both sides that represent problems using rational number coefficients and constants
distinguish between proportional and non-proportional situations using tables, graphs, and equations in the form y = kx or y = mx + b, where b ≠0
approximate the value of an irrational number, including π and square roots of numbers less than 225, and locate that rational number approximation on a number line
use informal arguments to establish facts about the angle sum and exterior angle of triangles, the angles created when parallel lines are cut by a transversal, and the angle-angle criterion for similarity of triangles
represent linear proportional situations with tables, graphs, and equations in the form of y = kx
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