MAT08.EE
Domain (EE)
Expressions and Equations
 Work with radicals and integer exponents.
 Understand the connections between proportional relationships, lines, and linear equations.
 Analyze and solve linear equations and pairs of simultaneous linear equations.

Domain Description
Students strategically choose and efficiently implement procedures to solve linear equations in one variable, understanding that when they use the properties of equality and the concept of logical equivalence, they maintain the solutions of the original equation. Students solve systems of two linear equations in two variables and relate the systems to pairs of lines in the plane; these intersect, are parallel, or are the same line. Students use linear equations, systems of linear equations, linear functions, and their understanding of slope of a line to analyze situations and solve problems.
Standards in this Domain
 MAT08.EE.01  Know and apply the properties of integer exponents to generate equivalent numerical expressions. For example, 3^{2} × 3^{5} = 3^{3} = 1/3^{3} = 1/27.
 MAT08.EE.02  Use square root and cube root symbols to represent solutions to equations of the formx² = p and x³ = p, where p is a positive rational number. Evaluate square roots of small perfect squares and cube roots of small perfect cubes. Know that √2 is irrational.
 MAT08.EE.03  Use numbers expressed in the form of a single digit times an integer power of 10 to estimate very large or very small quantities, and to express how many times as much one is than the other. For example, estimate the population of the United States as 3 times 10^{8} and the population of the world as 7 times 10^{9}, and determine that the world population is more than 20 times larger.
 MAT08.EE.04  Perform operations with numbers expressed in scientific notation, including problems where both decimal and scientific notation are used. Use scientific notation and choose units of appropriate size for measurements of very large or very small quantities (e.g., use millimeters per year for seafloor spreading). Interpret scientific notation that has been generated by technology
 MAT08.EE.05  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 distancetime graph to a distancetime equation to determine which of two moving objects has greater speed.
 MAT08.EE.06  Use similar triangles to explain why the slope m is the same between any two distinct points on a nonvertical 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.
 MAT08.EE.07  Solve linear equations in one variable.
 MAT08.EE.08  Analyze and solve pairs of simultaneous linear equations.
Calculation Method for Domains
Domains are larger groups of related standards. The Domain Grade is a calculation of all the related standards. Click on the standard name below each Domain to access the learning targets and rubrics/ proficiency scales for individual standards within the domain. 
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