Problem Solved Video Library

Numbers & Operations Whole Numbers

Rational Counting
Place Value with Tens and Ones
Difficult Addition Facts
Difficult Subtraction Facts
Adding and Subtracting Mentally
Subtraction Procedure
Difficult Multiplication Facts
Multiplying and Dividing Mentally
Multiplication Procedure
Division Procedure

Fractions, Decimals and Percent   

Understanding Fractions
Equivalent Fractions
Mixed Numbers
Adding Fractions
Subtracting Fractions
Comparing Fractions Mentally
Fractional Parts of a Number
Multiplying Fractions
Division with Fractions
Understanding Decimals 
Fraction Decimal Equivalents
Comparing Decimals
Percent Problems

Proportional Reasoning

Equal Ratios
Comparing Ratios 
Graphing Proportional Relationships
Similarity: Using Proportions
Scale Factor
Inverse Proportionality

Geometry

What is a Triangle?
Geometric Nets
Law of Sines

Measurement Area

Area of a Triangle
Area of a Parallelogram
What is Pi?
Area of a Circle
Area of a Trapezoid
Changing Dimensions: Area
Fixed Perimeter, Changing Area

Volume

Changing Dimensions: Volume
Volume of Prisms and Cylinders

Algebra Linear Relationships

Linear Equations: Expressions and Diagrams
Linear Equations: Tables and Graphs
Linear Equations: Using Symbols
Solving Inequalities

Exponential Relationships

Exponential Growth
Exponential Decay
Introduction to Logarithms
Solving for Exponents
Making Sense of Log Properties

Data Analysis & Probability

Mean, Median, Mode (Part 1)
Mean, Median, Mode (Part 2)
Introduction to Probability
Normal Distribution
Standard Deviation
Regression
Representing Data Carefully
Interpreting the Correlation Coefficient