Matemáticas de 8.º grado: alineación con Common Core

• El sistema numérico
• Expresiones y ecuaciones
• Funciones
• Geometría
• Estadística y probabilidad

El sistema numérico NS · 2 estándares · 2 cubiertos

• 8.NS.A.1
  Cubierto

  Know that some numbers are irrational; turn repeating decimals into fractions

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Decimal Representation of Rational and Irrational Numbers
• 8.NS.A.2
  Cubierto

  Approximate irrational numbers with rational numbers

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Estimate Square Roots

Expresiones y ecuaciones EE · 8 estándares · 8 cubiertos

• 8.EE.A.1
  Cubierto

  Use the properties of integer exponents

  • Unidad 7 · Exponents and Scientific Notation: Exponent Rules
• 8.EE.A.2
  Cubierto

  Use square roots and cube roots; solve x² = p and x³ = p

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Square Roots, Side Lengths and Volumes of Cubes
• 8.EE.A.3
  Cubierto

  Use scientific notation to estimate very large and very small quantities

  • Unidad 7 · Exponents and Scientific Notation: Scientific Notation
• 8.EE.A.4
  Cubierto

  Calculate with numbers in scientific notation

  • Unidad 7 · Exponents and Scientific Notation: Multiply and Divide in Scientific Notation
• 8.EE.B.5
  Cubierto

  Graph proportional relationships and read the unit rate as slope

  • Unidad 3 · Linear Relationships: Proportional Relationships
• 8.EE.B.6
  Cubierto

  Use similar triangles to explain slope; write y = mx and y = mx + b

  • Unidad 2 · Dilations, Similarity, and Introducing Slope: Slope
  • Unidad 3 · Linear Relationships: Linear Equations
• 8.EE.C.7
  Cubierto

  Solve linear equations in one variable, with one, none or infinitely many solutions

  • Unidad 4 · Linear Equations and Linear Systems: Linear Equations in One Variable
• 8.EE.C.8
  Cubierto

  Solve systems of two linear equations

  • Unidad 4 · Linear Equations and Linear Systems: Systems of Linear Equations

Funciones F · 5 estándares · 5 cubiertos

• 8.F.A.1
  Cubierto

  Understand a function as a rule that gives one output for each input

  • Unidad 5 · Functions and Volume: Inputs and Outputs
• 8.F.A.2
  Cubierto

  Compare two functions shown in different ways

  • Unidad 5 · Functions and Volume: Compare Two Functions
• 8.F.A.3
  Cubierto

  Know that y = mx + b is linear and recognize nonlinear functions

  • Unidad 5 · Functions and Volume: Linear Functions and Rates of Change
• 8.F.B.4
  Cubierto

  Model a linear relationship with a function; find rate of change and initial value

  • Unidad 5 · Functions and Volume: Rate of Change, Initial Value
• 8.F.B.5
  Cubierto

  Describe a function from its graph, and sketch a graph from a description

  • Unidad 5 · Functions and Volume: Describe a Graph's Story

Geometría G · 9 estándares · 9 cubiertos

• 8.G.A.1
  Cubierto

  Know what rotations, reflections and translations do to lines, angles and lengths

  • Unidad 1 · Rigid Transformations and Congruence: Properties of Rigid Transformations
• 8.G.A.2
  Cubierto

  Show figures are congruent with a sequence of rigid motions

  • Unidad 1 · Rigid Transformations and Congruence: Congruence
• 8.G.A.3
  Cubierto

  Describe dilations, translations, rotations and reflections with coordinates

  • Unidad 1 · Rigid Transformations and Congruence: Transformations on a Coordinate Grid
  • Unidad 2 · Dilations, Similarity, and Introducing Slope: Dilations with Coordinates
• 8.G.A.4
  Cubierto

  Show figures are similar with a sequence of transformations

  • Unidad 2 · Dilations, Similarity, and Introducing Slope: Similarity
• 8.G.A.5
  Cubierto

  Reason about angle sums, exterior angles, parallel lines with a transversal and angle-angle similarity

  • Unidad 1 · Rigid Transformations and Congruence: Angles in a Triangle
  • Unidad 2 · Dilations, Similarity, and Introducing Slope: Angle-Angle Similarity
• 8.G.B.6
  Cubierto

  Explain a proof of the Pythagorean theorem and its converse

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Pythagorean Theorem Explained, Converse of the Pythagorean Theorem
• 8.G.B.7
  Cubierto

  Use the Pythagorean theorem to find unknown side lengths

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Find the Hypotenuse, Find a Missing Leg, Let's Put it to Work
• 8.G.B.8
  Cubierto

  Use the Pythagorean theorem to find the distance between two points

  • Unidad 8 · Pythagorean Theorem and Irrational Numbers: Distance on the Coordinate Plane
• 8.G.C.9
  Cubierto

  Use the formulas for the volume of cones, cylinders and spheres

  • Unidad 5 · Functions and Volume: Cylinders and Cones, Dimensions and Spheres

Estadística y probabilidad SP · 4 estándares · 4 cubiertos

• 8.SP.A.1
  Cubierto

  Make and read scatter plots; describe clusters, outliers and association

  • Unidad 6 · Associations in Data: Does This Predict That?, Positive and Negative Association
• 8.SP.A.2
  Cubierto

  Fit a straight line to a scatter plot

  • Unidad 6 · Associations in Data: Fit a Line to Data
• 8.SP.A.3
  Cubierto

  Use a linear model's equation to solve problems; interpret slope and intercept

  • Unidad 6 · Associations in Data: Interpret Slope and Intercept in Data
• 8.SP.A.4
  Cubierto

  Find patterns of association in two-way tables

  • Unidad 6 · Associations in Data: Associations in Categorical Data

Todas las unidades y lecciones de 8.º grado

Common Core State Standards © Copyright 2010 National Governors Association Center for Best Practices and Council of Chief State School Officers. Todos los derechos reservados. Las descripciones de los estándares en estas páginas son resúmenes breves de KidUniversity, no el texto oficial; lee los estándares completos (en inglés) en thecorestandards.org. KidUniversity no está afiliado ni respaldado por el NGA Center ni el CCSSO.