8th Grade Math
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8th Grade Math CompetenciesDescription of Competency
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Mathematics
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Eighth Grade Mathematics
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Mathematical PracticesExplain and justify reasoning when solving mathematical problems.
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Mathematical Practices Indicator 1Make sense of problems and persevere in solving them.
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Mathematical Practices Indicator 2Reason abstractly and quantitatively.
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Mathematical Practices Indicator 3Construct viable arguments and critique the reasoning of others.
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Mathematical Practices Indicator 4Model with mathematics.
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Mathematical Practices Indicator 5Use appropriate tools strategically.
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Mathematical Practices Indicator 6Attend to precision.
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Mathematical Practices Indicator 7Look for and make use of structure.
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Mathematical Practices Indicator 8Look for and express regularity in repeated reasoning.
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Numbers & Number Sense
Analyze relationships between numbers, quantities, and variables including radicals and integer exponents.
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Numbers & Number Sense Indicator 1Know that there are numbers that are not rational and approximate them by rational numbers.
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Numbers & Number Sense Indicator 2Work with radicals and exponents.
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Algebra, Functions, Patterns, & Relationships
Apply algebraic thinking, models, and representations to interpret and represent mathematical concepts and relationships.
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Algebra, Functions, Patterns, & Relationships Indicator 1
Verify the connections between proportional relationships, lines, and linear equations.
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Algebra, Functions, Patterns, & Relationships Indicator 2
Write, analyze, and solve linear equations and pairs of simultaneous linear equations.
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Algebra, Functions, Patterns, & Relationships Indicator 3
Define, evaluate, and compare functions.
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Algebra, Functions, Patterns, & Relationships Indicator 4
Model relationships between quantities.
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Data Analysis, Probability, & StatisticsRepresent, analyze, and interpret data to solve problems.
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Data Analysis, Probability, & Statistics Indicator 1
Create scatter plots and describe patterns of association.
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Data Analysis, Probability, & Statistics Indicator 2
Create a line of best fit.
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Geometry & MeasurementUnderstand congruence and similarity; the Pythagorean Theorem; and volume.
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Geometry & Measurement Indicator 1Apply geometric properties of transformations.
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Geometry & Measurement Indicator 2Prove and apply Pythagorean Theorem.
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Geometry & Measurement Indicator 3Solve mathematical problems involving volume of cylinders, cones, and spheres.
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