using context clues 279 videos

Using a Protractor
Geometry Geometry Building Blocks
How to use a protractor to measure an angle.
protractor angle acute obtuse right 
Strategies for the Critical Reading Section
PSAT PSAT Prep
Get familiar with the Critical Reading section, learn the main strategies to master it and improve your PSAT test score
using context clues making predictions active reading reading in sweeps building your vocabulary 
Using the Calculator
Algebra 2 Additional Topics
How to use the calculator to solve certain problems.
calculator skills 
Graphing Lines using Intercepts
Algebra Linear Equations and Their Graphs
How to graph a line using the x and y intercepts.
x intercept y intercept standard form 
Solving Systems using Matrices
Algebra Solving Systems of Equations
How to use matrices to solve a system of equations.
matrix coefficient matrix inverse matrix system of equations 
Using Synthetic Division to Factor
Algebra 2 Factoring
How to factor a polynomial using synthetic division
synthetic division factoring remainder 
Using the Complement to Calculate Probability
Algebra 2 Combinatorics
How to use the complement to calculate the probability of an event.
complement probability odds chances 
Using the Complement to Calculate Probability
Precalculus Topics in Discrete Math
How to use the complement to calculate the probability of an event.
complement probability odds chances 
Approximating Area Using Rectangles
Calculus The Definite Integral
How to approximate the area under a curve using rectangles.
approximating area under a curve left hand sums right hand sums limits 
Using Trigonometric Identities
Trigonometry Trigonometric Functions
How to simplify a trigonometric expression by converting to sines and cosines and using algebra.
reciprocal identities 
Using Trigonometric Identities
Precalculus Trigonometric Functions
How to simplify a trigonometric expression by converting to sines and cosines and using algebra.
reciprocal identities 
Solving Systems of Equations using Substitution
Algebra Solving Systems of Equations
How to solve a system of equations using substitution.
system of equations solution substitution 
Solving Systems of Equations using Elimination
Algebra Solving Systems of Equations
How to solve a system of equations using elimination.
system of equations coefficient elimination additive inverse 
Dividing Polynomials using Long Division
Algebra 2 Polynomials
How to divide polynomials using long division.
diving polynomials long division divisor quotient dividend remainder 
Dividing Polynomials using Synthetic Division
Algebra 2 Polynomials
How to divide polynomials using synthetic division.
dividing polynomials synthetic division divisor quotient dividend remainder 
Using Synthetic Division to Evaluate Polynomials
Algebra 2 Polynomials
How to use synthetic division to evaluate a function.
evaluating polynomials synthetic division 
Using Synthetic Division to Solve an Equation
Algebra 2 Factoring
How to use synthetic division to solve a polynomial equation.
synthetic division solving 
Computing Definite Integrals using Substitution
Calculus The Definite Integral
How to evaluate definite integrals using the method of substitution.
definite integral the method of substitution limits of integration antiderivative 
Using Sine to Calculate the Area of a Triangle
Geometry Basic Trigonometry
How to calculate the area of any triangle using two sides and an included angle.
area of a triangle sine