moving the decimal 14 videos

Solving Equations with Decimals
PreAlgebra Decimals and Percents
Review of operations with decimals in order to solve equations with decimals

Applications of Fractions, Decimals, Percents
PreAlgebra Decimals and Percents
Applications of fractions, decimals, and percents

Multiplication and Division with Decimals
PreAlgebra Decimals and Percents
Multiplying and dividing decimals by ignoring and later replacing the decimal point

Writing, Reading Decimals
PreAlgebra Decimals and Percents
Vocabulary of place value and how to read decimals

Addition and Subtraction with Decimals
PreAlgebra Decimals and Percents
Adding or subtracting decimals by vertically lining up the zeros

Converting Decimals, Percents, Fractions
PreAlgebra Decimals and Percents
How to convert between fractions, decimals, and percents

Solving Equations with fractions and decimals by "Clearing"
PreAlgebra Solving Equations and Inequalities
Solving equations with fractions by multiplying by the least common multiple

Deccimal Approximations of Square Roots
PreAlgebra Decimals and Percents
Finding decimal approximations of square roots without a calculator

Square Roots
PreAlgebra Decimals and Percents
Understanding squaring and square roots, including decimal approximations

Scientific Notation
Algebra Exponents
How to move between scientific notation and standard notation of numbers.
power scientific notation 
Scientific Notation
PreAlgebra Decimals and Percents
How to move between scientific notation and standard notation of numbers.
power scientific notation 
Average Velocity
Calculus The Derivative
How to compute the average velocity of an object moving in one dimension.
average velocity position height time change in position change in time 
Scientific Notation
Algebra 2 Exponents
How to move between scientific notation and standard notation of numbers.
scientific notation standard notation big numbers small numbers 
Optimization Using the Second Derivative Test
Calculus Applications of the Derivative
How to compute the average velocity of an object moving in one dimension from a graph of its position vs. time.