# BPS District Mathematics Standards Book

### K-8 Grade Levels

#### Grade 08

The 8^{th} grade math BPS-prioritized standards were selected to prepare your child's mathematics skills for the High School level!

Your child will embark on a journey to explore irrational numbers, those that can't be expressed as a simple fraction. They'll learn to estimate their values, compare them, and even locate them on a number line. Adding,
subtracting, multiplying, and dividing rational numbers (numbers that can be expressed as a fraction) will become second nature with various strategies and procedures at their disposal.

Algebra steps up a notch as they delve into the world of exponents. They'll discover the connection between repeated multiplication and understand how exponents simplify expressions. Solving linear equations, where
the variable is on both sides, becomes a superpower! They'll tackle equations that require using special properties and combining terms, all while interpreting the number of solutions (one, infinitely many, or none!). Inequalities
join the party as your child learns to solve and graph them, understanding the relationships between variables.

Functions take center stage! They'll explore different representations of functions (algebraic expressions, graphs, tables, and descriptions) and learn to differentiate between linear and non-linear functions. The
ability to model real-world situations with linear functions becomes a valuable skill – your child will create tables, graphs, and equations to represent these relationships, even interpreting the rate of change and initial values.

Geometry gets exciting with 3D shapes! Formulas will be their companions as they solve problems involving the volume of cones, cylinders, and spheres. Angles become more than just degrees – your child will explore
interior and exterior angles in triangles, and understand how parallel and intersecting lines create specific angle relationships. The Pythagorean Theorem becomes their secret weapon to solve for missing side lengths in right triangles,
both in 2D and 3D scenarios!

Finally, data analysis skills soar as they interpret scatter plots, a visual representation of relationships between two sets of data. They'll identify patterns like clustering, outliers, and different types of associations
(positive, negative, linear, or non-linear) to gain valuable insights from the data.
**This comprehensive 8 ^{th} grade math program will equip your child with the problem-solving and critical thinking skills they need to excel in future math endeavors!
**

**Note**: Standards Identifiers auto-link to popup a detailed description and links to Proficiency Scales with Prioritized Standards Identifiers being highlighted a sky-blue.## MAT-08.NO** (NO) **Number and Operations

**MAT-08.NO.NS.01**Compare and classify real numbers within the real number system.**MAT-08.NO.NS.02**Use rational approximations of irrational numbers to compare the size of irrational numbers, locate them on a number line diagram, and estimate the value of irrational expressions involving one operation.***MAT-08.NO.NS.03**Use scientific notation to represent very large or very small quantities. Interpret scientific notation generated by technology. Compare and order numbers in both scientific and standard notation.

**MAT-08.NO.O.01**Evaluate mentally the square roots of perfect squares up to 225 and cube roots of perfect cubes up to 1000.**MAT-08.NO.O.02**Add, subtract, multiply, and divide rational numbers using strategies or procedures.*

## MAT-08.AR** (AR) **Algebraic Reasoning

**MAT-08.AR.EE.01**Explain the relationship between repeated multiplication and the properties of integer exponents. Apply a single exponent property to generate equivalent numeric and algebraic expressions that include numerical coefficients.***MAT-08.AR.EE.02**Use square root and cube root symbols to represent solutions to equations of the form x² = p and x³ = p, where p is a non-negative rational number.**MAT-08.AR.EE.03**Explain the characteristics of a linear relationship, including identifying the slope and y- intercept in tables, graphs, equations, and descriptions.***MAT-08.AR.EE.04**Represent linear relationships using tables, graphs, equations, and descriptions when given a relationship in one of these forms.**MAT-08.AR.EE.05**Solve linear equations with rational number coefficients and variables on both sides, including equations that require using the distributive property and/or combining and collecting like terms. Interpret the number of solutions. Give examples of linear equations in one variable with one solution, infinitely many solutions, or no solutions.***MAT-08.AR.EE.06**Read, write, and evaluate numerical and algebraic expressions including expressions involving absolute value. Solve and graph equations of the form |x|=r where r is a nonnegative rational number.**MAT-08.AR.EE.07**Solve and graph inequalities in one variable with rational number coefficients and variables on both sides, including inequalities that require using the distributive property and/or combining like terms.***MAT-08.AR.EE.08**Graph linear inequalities in two variables on a coordinate plane. Interpret the possible solutions in the context of authentic problems.

**MAT-08.AR.F.01**Defend whether a relation is a function from various representations using appropriate function language.***MAT-08.AR.F.02**Compare and contrast properties of two linear functions, each represented in a different way(algebraically, graphically, numerically in tables, and/or by descriptions).**MAT-08.AR.F.03**Compare and contrast linear and non- linear functions represented in different ways(algebraically, graphically, numerically in tables,and/or by descriptions).***MAT-08.AR.F.04**Model a linear function between two quantities by creating a table, graph, and equation. Interpret the rate of change and initial value of a linear function in terms of the situation it models.***MAT-08.AR.F.05**Describe qualitatively the functional relationship between two quantities by analyzing a graph including where the function is constant,increasing, or decreasing; linear or nonlinear; and discrete or continuous. Create a graph that exhibits the qualitative features of a function described.

## MAT-08.GM** (GM) **Geometry

**MAT-08.GM.AV.01**Apply given formulas to solve problems involving the volume of cones, cylinders, and spheres, including authentic problems.*

**MAT-08.GM.GF.01**Perform single transformations to a figure on the coordinate plane and determine whether the figures are congruent or similar.**MAT-08.GM.GF.02**Describe the characteristics of transformations on the coordinate plane using transformation language.**MAT-08.GM.GF.03**Name the type of transformation(s)needed to map a pre-image to its image.**MAT-08.GM.GF.04**Describe the following angle-pair relationships: interior and exterior angles of triangles and angles formed when a transversal cuts parallel lines or intersecting lines. Solve for an unknown angle in a figure by applying facts about these angles.***MAT-08.GM.GF.05**Describe the relationship between the leg lengths and the hypotenuse length of a right triangle. Determine whether a triangle is a right triangle using this relationship.**MAT-08.GM.GF.06**Apply the Pythagorean Theorem to determine unknown side lengths in right triangles in two and three dimensions on and off a coordinate plane, including authentic problems.*

## MAT-08.DPS **(DPS) **Data Probability and Statistics

**MAT-08.DPS.DA.01**Interpret scatter plots for bivariate measurement data to investigate patterns such as clustering, outliers, positive or negative association, linear association, and nonlinear association.***MAT-08.DPS.DA.02**Draw an informal trend line on a given scatter plot with a linear association and justify its fit by describing the closeness of the data points to the line.**MAT-08.DPS.DA.03**Solve authentic problems in the context of bivariate measurement data by interpreting the slope and intercept(s) and making predictions using a linear model.**MAT-08.DPS.DA.04**Construct and interpret a two-way table summarizing bivariate categorical data collected from the same subjects.