K12worX
K-8 Math
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Grade 8 Math
Grade 8 Math
Common Core aligned
33 standards · 5 with slides · 6 with exercises
I
The Number System
Know that there are numbers that are not rational, and approximate them by rational numbers
8.NS.A.1
Know that numbers that are not rational are called irrational
8.NS.A.2
Use rational approximations of irrational numbers
coming soon
II
Expressions and Equations
Work with radicals and integer exponents
8.EE.A.1
Know and apply the properties of integer exponents
8.EE.A.2
Use square root and cube root symbols to represent solutions to equations
8.EE.A.3
Use numbers expressed in scientific notation to estimate very large or very small quantities
8.EE.A.4
Perform operations with numbers expressed in scientific notation
Understand the connections between proportional relationships, lines, and linear equations
8.EE.B.5
Graph proportional relationships, interpreting the unit rate as the slope
8.EE.B.6
Use similar triangles to explain why the slope m is the same between any two distinct points on a non-vertical line
Analyze and solve linear equations and pairs of simultaneous linear equations
8.EE.C.7
Solve linear equations in one variable
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8.EE.C.8
Analyze and solve pairs of simultaneous linear equations
coming soon
III
Functions
Define, evaluate, and compare functions
8.F.A.1
Understand that a function is a rule that assigns to each input exactly one output
coming soon
8.F.A.2
Compare properties of two functions each represented in a different way
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8.F.A.3
Interpret the equation y = mx + b as defining a linear function
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Use functions to model relationships between quantities
8.F.B.4
Construct a function to model a linear relationship between two quantities
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8.F.B.5
Describe qualitatively the functional relationship between two quantities by analyzing a graph
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IV
Geometry
Understand congruence and similarity using physical models, transparencies, or geometry software
8.G.A.1
Verify experimentally the properties of rotations, reflections, and translations
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8.G.A.2
Understand that a two-dimensional figure is congruent to another if the second can be obtained from the first by a sequence of rotations, reflections, and translations
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8.G.A.3
Describe the effect of dilations, translations, rotations, and reflections on two-dimensional figures using coordinates
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8.G.A.4
Understand that a two-dimensional figure is similar to another if the second can be obtained from the first by a sequence of rotations, reflections, and dilations
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8.G.A.5
Use informal arguments to establish facts about angles and similarity of triangles
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Understand and apply the Pythagorean Theorem
8.G.B.6
Explain a proof of the Pythagorean Theorem and its converse
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8.G.B.7
Apply the Pythagorean Theorem to determine unknown side lengths in right triangles
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8.G.B.8
Apply the Pythagorean Theorem to find the distance between two points in a coordinate system
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Solve real-world and mathematical problems involving volume of cylinders, cones, and spheres
8.G.C.9
Know the formulas for the volumes of cones, cylinders, and spheres
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V
Statistics and Probability
Investigate patterns of association in bivariate data
8.SP.A.1
Construct and interpret scatter plots for bivariate measurement data
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8.SP.A.2
Know that straight lines are widely used to model relationships between two quantitative variables
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8.SP.A.3
Use the equation of a linear model to solve problems in the context of bivariate measurement data
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8.SP.A.4
Understand that patterns of association can also be seen in bivariate categorical data
coming soon