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Alabama Math Standards - 8th Grade
MathScore aligns to the Alabama Math Standards for 8th Grade. The standards appear below along with the MathScore topics that match. If you click on a topic name, you will see sample problems at varying degrees of difficulty that MathScore generated. When students use our program, the difficulty of the problems will automatically adapt based on individual performance, resulting in not only true differentiated instruction, but a challenging game-like experience.
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View the Alabama Math Standards at other levels.
Number and Operations
1. Use various strategies and operations to solve problems involving real numbers. (Scientific Notation 2 )• Using alternative representations of rational numbers (Number Line , Compare Integers , Repeating Decimals , Percentage Pictures , Exponent Basics , Scientific Notation )
• Applying GCF, LCM, and prime and composite numbers, including justification for the reasonableness of results, when working with rational numbers (Prime Factoring , Prime Factoring 2 , Greatest Common Factor , Factoring , Least Common Multiple , Divisibility Rules )
• Applying proportional reasoning (Unit Cost , Distance, Rate, and Time , Train Problems )
• Using vocabulary associated with sets, including union and intersection (Intersection and Union )
• Determining whether a number is rational or irrational
• Demonstrating computational fluency with operations on rational numbers (Fraction Addition , Fraction Subtraction , Fraction Multiplication , Fraction Division , Fraction Word Problems , Fraction Word Problems 2 , Decimal Addition , Decimal Subtraction , Decimal Multiplication , Decimal Division , Integer Addition , Integer Subtraction , Integer Multiplication , Integer Division , Integers In Word Problems )
2. Simplify expressions containing natural number exponents by applying one or more of the laws of exponents. (Simplifying Algebraic Expressions 2 , Exponents Of Fractional Bases , Negative Exponents Of Fractional Bases , Multiplying and Dividing Exponent Expressions , Exponent Rules For Fractions )
• Writing numbers using scientific notation (Scientific Notation )
3. Use order of operations to evaluate and simplify algebraic expressions. (Order Of Operations , Simplifying Algebraic Expressions , Simplifying Algebraic Expressions 2 )
• Applying the substitution principle (Variable Substitution , Variable Substitution 2 )
• Applying the properties of operations on rational numbers to evaluate and simplify algebraic expressions (Simplifying Algebraic Expressions , Simplifying Algebraic Expressions 2 )
Algebra
4. Graph linear relations by plotting points or by using the slope and y-intercept.• Determining slopes and y-intercepts of lines (Determining Slope )
• Calculating the slope of a linear relation given as a table or graph (Determining Slope )
• Exhibiting conceptual understanding of various uses of variables
5. Solve problems involving linear functions. (Linear Equations , Single Variable Equations , Single Variable Equations 2 , Single Variable Inequalities )
• Identifying functions from information in tables, sets of ordered pairs, equations, graphs, and mappings (Nonlinear Functions )
• Determining the rule that defines a function (Function Tables , Function Tables 2 )
• Classifying variables in a function as independent or dependent (Independent and Dependent Variables )
• Classifying relations as linear or nonlinear by examining tables, graphs, or simple equations
6. Solve multistep linear equations, including equations requiring the use of the distributive property. (Distributive Property , Distributive Property 2 , Single Variable Equations 3 )
Geometry
7. Solve problems using the Pythagorean Theorem. (Pythagorean Theorem )• Applying the Triangle Inequality Theorem
• Verifying the Pythagorean Theorem
• Applying the Pythagorean Theorem to determine if a triangle is a right triangle
• Applying the Pythagorean Theorem to find the missing length of a side of a right triangle (Pythagorean Theorem )
• Calculating distances on the coordinate plane using the Pythagorean Theorem
8. Compare quadrilaterals, triangles, and solids, using their properties and characteristics. (Triangle Types , Triangle Angles , Quadrilateral Angles , Quadrilateral Types )
• Developing mathematical arguments about the relationships among types of quadrilaterals and triangles
• Identifying angle bisectors, perpendicular bisectors, congruent angles, and congruent figures (Congruent And Similar Triangles )
• Constructing congruent and similar polygons, congruent angles, congruent segments, and parallel and perpendicular lines
Measurement
9. Determine the measures of special angle pairs, including adjacent, vertical, supplementary, and complementary angles, and angles formed by parallel lines cut by a transversal. (Triangle Angles 2 , Identifying Angles , Angle Measurements , Angle Measurements 2 )10. Find the perimeter and area of regular and irregular plane figures. (Triangle Area , Triangle Area 2 , Parallelogram Area , Perimeter , Circle Area , Circle Circumference , Irregular Shape Areas , Perimeter and Area of Composite Figures , Trapezoids )
11. Determine the surface area and volume of rectangular prisms, cylinders, and pyramids. (Rectangular Solids , Rectangular Solids 2 , Cylinders )
• Estimating surface area and volume of solid figures
• Determining the appropriate units of measure to describe surface area and volume
• Developing formulas for determining surface area and volume of rectangular prisms, cylinders, and pyramids (Rectangular Solids , Rectangular Solids 2 , Cylinders )
12. Determine the lengths of missing sides and measures of angles in similar and congruent figures. (Proportions 2 )
• Applying proportional reasoning (Solving For Angles , Proportions 2 , Distance, Rate, and Time , Train Problems )
• Using dilations on the coordinate plane to determine measures of similar figures
• Finding the ratios of the perimeters and areas of similar triangles, trapezoids, and parallelograms (Area And Volume Proportions )
Data Analysis and Probability
13. Interpret data from populations, using given and collected data. (Stem And Leaf Plots )• Representing the data with the most appropriate graph, including box-and-whisker plot, circle graph, and scatterplot
• Making predictions by estimating the line of best fit from a scatterplot
• Comparing data sets involving two populations
• Determining the measure of center that is the most appropriate for a given situation
14. Determine the theoretical probability of an event. (Probability , Probability 2 )
• Calculating the probability of complementary events and mutually exclusive events (Probability , Probability 2 )
• Comparing experimental and theoretical probability
• Computing the probability of two independent events and two dependent events (Object Picking Probability )
• Determining the probability of an event through simulation (Batting Averages )
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