8th Grade Math (Nebraska Standards)

Number (N)

• MA.8.N.1 Show and represent relationships among real numbers in the base-ten system.
  • MA.8.N.1.a Classify numbers as natural, whole, integer, rational, irrational or real using the set definitions.
  • MA.8.N.1.b Write numbers with positive and negative exponents and in scientific notation.
  • MA.8.N.1.c Explain how rational and irrational numbers differ.
  • MA.8.N.1.d Approximate, compare and order rational and irrational numbers and place them on a number line.
• MA.8.N.2 Compute with exponents and roots.
  • MA.8.N.2.a Find square roots of perfect squares up to 400 and cube roots of perfect cubes up to 125.
  • MA.8.N.2.b Simplify expressions with integer exponents, square roots and cube roots, e.g. 4 to the power −2 is 1/16.
  • MA.8.N.2.c Evaluate numerical expressions that include absolute value.
  • MA.8.N.2.d Multiply and divide numbers in scientific notation.

Algebra (A)

• MA.8.A.1 Use properties of operations to evaluate expressions and solve equations.
  • MA.8.A.1.a Say whether a one-variable equation has one, no or infinitely many solutions.
  • MA.8.A.1.b Solve multi-step rational-number equations with the variable on both sides.
  • MA.8.A.1.c Solve x² = k (k up to 400) and x³ = k (k up to 125) for positive rational k using roots.
• MA.8.A.2 Solve real problems with multi-step equations.
  • MA.8.A.2.a Write multi-step one-variable equations from words, tables and situations.
  • MA.8.A.2.b Find and describe rates of change from tables and graphs.
  • MA.8.A.2.c Graph proportional relationships and interpret the rate of change.

Geometry (G)

• MA.8.G.1 Use angle relationships in triangles and with lines to find angle measures.
  • MA.8.G.1.a Use the interior angles of triangles to find missing measures.
  • MA.8.G.1.b Use angles formed when a transversal cuts parallel lines to find missing measures.
• MA.8.G.2 Work with location, orientation and relationships on the coordinate plane.
  • MA.8.G.2.a Carry out and describe single transformations: 90° rotations about the origin, translations, reflections and dilations.
  • MA.8.G.2.b Decide whether two-dimensional figures are congruent or similar.
  • MA.8.G.2.c Carry out and describe a sequence of transformations, on and off the coordinate plane.
• MA.8.G.3 Use formulas and context to find and compare length, area and volume.
  • MA.8.G.3.a Explain a model of the Pythagorean theorem.
  • MA.8.G.3.b Use the Pythagorean theorem to find side lengths and solve real problems.
  • MA.8.G.3.c Find the distance between two points on the coordinate plane with the Pythagorean theorem.
  • MA.8.G.3.d Find volumes of cones, cylinders and spheres and solve real volume problems.

Data (D)

• MA.8.D.1 Pose investigative questions and collect and organize data.
• MA.8.D.2 Represent and analyze data and interpret results.
  • MA.8.D.2.a Show and interpret bivariate data with scatter plots.
  • MA.8.D.2.b Describe patterns: positive or negative, linear or nonlinear, clusters and outliers.
  • MA.8.D.2.c Draw an informal line of best fit by judging how close points are to the line.
  • MA.8.D.2.d Use a linear model to predict and interpret its rate of change and y-intercept in context.
• MA.8.D.3 Interpret and use probability ideas.