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Resources for Grade eight

Number theory

How to identify factors

How to determine the GCF and the LCM

How to classify numbers

Integers

How to graph integers on number lines

How to compare and order integers

How to determine the absolute value and the opposite of an integer

How to solve integers inequalities with absolute values

How to add and subtract integers

How to multiply and divide integers

How to evaluate expressions involving integers

Rational numbers

How to identify rational and irrational numbers

How to simplify fractions

How to round decimals and mixed numbers

How to convert between decimals and fractions or mixed numbers

How to compare and order rational numbers

How to determine reciprocals and multiplicative inverses

How to add and subtract rational numbers

How to multiply and divide rational numbers

How to evaluate expressions involving rational numbers

Exponents and roots

How to solve equations with variable exponents

How to multiply with exponents

How to divide with exponents

How to evaluate expressions involving exponents

How to calculate exponents with fractional and decimal bases

What is the relationship between squares and square roots

How to estimate positive and negative square roots

How to estimate cube roots

How to solve equations involving cubes and cube roots

Scientific notation

How to convert between standard and scientific notation of numbers

How to compare numbers written in scientific notation

How to multiply numbers written in scientific notation

How to divide numbers written in scientific notation

Ratios and proportions

How to compare ratios

How to solve proportions

How to identify graphs of proportional relationships

How to write equations for proportional relationships

How to graph proportional relationships

How to find the constant of proportionality from a graph

How to solve problems involving proportional relationships

Percents

How to compare between percents fractions and decimals

How to compare percents to fractions and decimals

How to estimate percents of numbers and money amounts

How to solve percent equations

How to compare percents of numbers

Consumer math

What is the difference between simple and compound interest

How to estimate tips

Measurement

How to convert rate and measurements for customary units

How to convert between customary and metric system

How to convert between Celsius and Fahrenheit

Geometry

How to identify complementary, supplementary, vertical, congruent and adjacent angles

How to classify triangles and quadrilaterals

What is the exterior angle theorem

How to identify and classify polygons

How to identify similar and congruent figures

How to determine the area between two shapes

How to determine the volumes of cylinders and cones

How to determine the volume of spheres

How to determine the volumes of cubes, prisms and pyramids

How to determine surface areas of cubes, prisms and pyramids

How to determine surface areas of cylinders and cones

How to determine surface area of spheres

how to create and identify symmetry

Pythagorean theorem

What is the Pythagorean theorem

How to use the Pythagorean theorem to determine the perimeter of a triangle

Transformations

How to identify rotations, translations and reflections

Number sequences

How to identify arithmetic and geometric sequences

How to write and evaluate variable expressions for number sequences

Variable expressions

How to write variable expressions

How to evaluate one-variable, multi-variable, absolute value, radical and rational expressions

How to add subtract and multiply linear expressions

How to factor linear expressions

One-variable equations

How to write and solve equations that represent diagrams

How to solve multi-step equations

How to solve equations with variables on both sides

One-variable inequalities

How to graph inequalities on number lines

How to solve multi-step inequalities

How to graph solutions to multi-step inequalities

Linear equations

How to determine the slope of a graph

How to determine the slope of an equation

How to write linear equation from two points

How to determine the slope from two points

How to determine the slope of parallel and perpendicular lines

Functions

How to identify functions

How to identify independent and dependent variables

How to evaluate a linear function

How to graph a line from a function table

How to graph a line from an equation

How to write a linear function from a table

How to identify linear and nonlinear functions

How to interpret the graph of a linear function

How to compare linear functions

Systems of linear equations

How to solve a system of equations by graphing

How to determine the number of solutions to a system of equations

How to use substitution to solve a system of equations

How to use elimination to solve a system of equations

How to classify a system of equations

Monomials and polynomials

How to add and subtract polynomials

How to multiply and divide monomials

How to identify monomials

How to multiply polynomials

How two determine cube and square roots of monomials

Data and graphs

How to create and interpret line plots, line graphs, bar graphs and histograms

How to interpret circle graphs and Scatter plots

Statistics

How to calculate mean median, mode and range

How to interpret charts to find mean, median, mode and range

How to identify an outlier

How to identify representative, random and biased samples

Probability

How to calculate factorials, combinations and permutations

How to calculate the probability of dependent and independent events

How to find the number of outcomes of compound events

How to determine the probability of opposite, mutually exclusive and overlapping events