word problem 81 videos

Applied Linear Equations: Consecutive Numbers
Algebra 2 Linear Equations
How to solve a problem involving consecutive integers.
consecutive numbers 
Carbon Dating
Physics Nuclear Physics
How to solve problems using carbon dating.
carbon dating carbon 14 
Planck's Constant
Physics The Atom and Quantum Physics
Understanding and solving problems using Planck's constant.
blackbody radiation thermal contact thermal equilibrium 
Definite Integrals and Area
Calculus The Definite Integral
How to use definite integrals to find the area between a curve or under a curve.
definite integral area problems area between curves 
Vertex and Diagonals
Geometry Geometry Building Blocks
How the vocabulary word vertex applies to different objects in Geometry.
vertex isosceles triangle polygon diagonal cone pyramid prism 
Applications
PreAlgebra Integers
Real word situations that involve operations on positive and negative numbers

Parallelogram Properties
Geometry Polygons
How to identify all of the special properties of parallelograms and use them to solve problems.
opposite sides parallel opposite angles same side interior angles diagonals bisect consecutive angles rhombus rectangle square 
Dimensional Analysis
Chemistry Introduction to Chemistry
How to use dimensional analysis to convert units in chemistry problems.
dimensional analysis 
Position, Velocity and Acceleration
Calculus Antiderivatives and Differential Equations
How to solve position, velocity and acceleration problems using differentiation equations.
differential equations derivatives position velocity acceleration 
Introduction to Radicals
Algebra 2 Roots and Radicals
How to know when to include a plus and minus on a square root problem.
simplifying square roots 
Strategies for the Writing Section
PSAT PSAT Prep
Get familiar with the PSAT Writing section, learn the main strategies to master it and improve your PSAT test score
focus attention on awkward sounding words and phrases learn to read literally avoid long answer choices be comfortable with no change