Skills available for
North Carolina eighth-grade math standards
IXL's eighth-grade skills will
be aligned to the 2003 North Carolina Standard Course of Study soon!
Until then, you can view a complete list of
eighth-grade
standards below.
Standards
are in black
and IXL math skills are in blue. Hold your
mouse over the name of a skill to view a sample problem.
Click on the name of a skill to practice that skill.
Standards document:
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8.NO
Number and Operations
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8.1
The learner will understand and compute with real numbers.
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8.1.01
Develop number sense for the real numbers.
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8.1.01.a
Define and use irrational numbers.
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8.1.01.b
Compare and order.
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8.1.01.c
Use estimates of irrational numbers in appropriate situations.
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8.1.02
Develop flexibility in solving problems by selecting strategies and using mental computation, estimation, calculators or computers, and paper and pencil.
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8.MEA
Measurement
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8.2
The learner will understand and use measurement concepts.
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8.2.01
Determine the effect on perimeter, area or volume when one or more dimensions of two- and three-dimensional figures are changed.
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8.2.02
Apply and use concepts of indirect measurement.
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8.GEO
Geometry
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8.3
The learner will understand and use properties and relationships in geometry.
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8.3.01
Represent problem situations with geometric models.
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8.3.02
Apply geometric properties and relationships, including the Pythagorean theorem, to solve problems.
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Pythagorean theorem: Pythagorean theorem: find the length of the hypotenuse (Eighth grade - O.1)
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Pythagorean theorem: Pythagorean theorem: find the missing leg length (Eighth grade - O.2)
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Pythagorean theorem: Pythagorem theorem: find the perimeter (Eighth grade - O.3)
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Pythagorean theorem: Pythagorean theorem: word problems (Eighth grade - O.4)
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Pythagorean theorem: Converse of the Pythagorean theorem: is it a right triangle? (Eighth grade - O.5)
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Geometry: Identify complementary, supplementary, vertical, adjacent, and congruent angles (Eighth grade - Q.1)
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Geometry: Find measures of complementary, supplementary, vertical, and adjacent angles (Eighth grade - Q.2)
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Geometry: Transversal of parallel lines (Eighth grade - Q.3)
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Geometry: Find missing angles in triangles and quadrilaterals (Eighth grade - Q.6)
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Geometry: Interior angles of polygons (Eighth grade - Q.8)
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Geometry: Similar and congruent figures (Eighth grade - Q.9)
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Geometry: Similar figures: side lengths and angle measures (Eighth grade - Q.10)
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Geometry: Congruent figures: side lengths and angle measures (Eighth grade - Q.11)
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Geometry: Congruence statements and corresponding parts (Eighth grade - Q.12)
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Geometry: Congruent triangles: SSS, SAS, and ASA (Eighth grade - Q.13)
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Geometry: Find lengths and measures of bisected lines and angles (Eighth grade - Q.20)
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Geometry: Front, side, and top view (Eighth grade - Q.21)
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Geometry: Base plans (Eighth grade - Q.22)
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Geometry: Nets of 3-dimensional figures (Eighth grade - Q.24)
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Geometry: Similar solids (Eighth grade - Q.30)
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Transformations: Identify reflections, rotations, and translations (Eighth grade - R.1)
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Transformations: Symmetry (Eighth grade - R.11)
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8.3.03
Identify, predict, and describe dilations in the coordinate plane.
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8.DAP
Data Analysis and Probability
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8.4
The learner will understand and use graphs and data analysis.
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8.4.01
Collect, organize, analyze, and display data (including scatterplots) to solve problems.
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8.4.02
Approximate a line of best fit for a given scatterplot; explain the meaning of the line as it relates to the problem and make predictions.
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8.4.03
Identify misuses of statistical and numerical data.
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8.ALG
Algebra
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8.5
The learner will understand and use linear relations and functions.
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8.5.01
Develop an understanding of function.
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8.5.01.a
Translate among verbal, tabular, graphic, and algebraic representations of functions.
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8.5.01.b
Identify relations and functions as linear or nonlinear.
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8.5.01.c
Find, identify, and interpret the slope (rate of change) and intercepts of a linear relation.
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8.5.01.d
Interpret and compare properties of linear functions from tables, graphs, or equations.
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8.5.02
Write an equation of a linear relationship given: two points, the slope and one point on the line, or the slope and y-intercept.
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8.5.03
Solve problems using linear equations and inequalities; justify symbolically and graphically.
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8.5.04
Solve equations using the inverse relationships of addition and subtraction, multiplication and division, squares and square roots, and cubes and cube roots.
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