Search for tag: "places"

Word problem involving radical equations: Advanced

Demonstrates how to solve for a variable under the radical that needs to isolated first after entering the given value for the other variable in a formula.

From  Tom Grant 6 plays 0  

Simplifying a ratio of linear polynomials: 1, -1, and no simplification

This shows four examples just to cover a variety of "looks". There is at least one of each tyoe,

From  Tom Grant 13 plays 0  

Solving a compound linear inequality: Interval notation

This describes how to solve each side of a compound inequality, then using the graphs of each part determine the interval notation for the entire compound statement.

From  Tom Grant 19 plays 0  

Additive property of inequality with integers

A demo that only shows a one step process of adding an integer to both sides of an inequality so that the variable stands alone and we can tell what values are true for that inequality.

From  Tom Grant 9 plays 0  

Identifying numbers as rational or irrational

A brief description of the difference between rational and irrational numbers followed by examples of number in both categories.

From  Tom Grant 21 plays 0  

Evaluating an exponential function that models a real-world situation

This shows how to enter a value into a function to get a result for something like depreciation of value over time for a purchased item.

From  Tom Grant 8 plays 0  

Square root multiplication: Advanced

An example that is a little more complicated about how to simplify radicals that are being multiplied

From  Tom Grant 9 plays 0  

Finding the final amount given the original amount and a percentage increase or decrease.

Finding the amount from taking a percentage off or adding a percentage on, then finding the new amount.

From  Tom Grant 10 plays 0  

Applying the percent equation: Problem type 1

Using the proportion %/100 = Amount/Base to plug in what's given to find what is asked for.

From  Tom Grant 14 plays 0  

Introduction to properties of addition

Decription and demonstration of the identity, commutative, and associative properties of albebra.

From  Tom Grant 12 plays 0  

Signed fraction addition or subtraction: Basic

Three quick demos, two subtractions and an addition which need adjusting first to create a common denominator

From  Tom Grant 32 plays 0  

Using a calculator to convert a fraction to a rounded parecentage

Simply dividing a fration - top divided by bottom, then taking the decimal value and changing it to a percent by multiplying by 100, and t hen finally rounding to the nearest tenth place of that…

From  Tom Grant 6 plays 0  

Converting between percentages and decimals

Quick look at how to work it both ways

From  Tom Grant 21 plays 0  

Division of a decimal by a power of ten

Quick look at why and how we multiply decimals in this situation

From  Tom Grant 11 plays 0  

Multiplication of a decimal by a power of ten

How counting zeros tells you how far to move the decimal point

From  Tom Grant 15 plays 0  

Rounding decimals

Just a quick review of how to round decimal numbers.

From  Tom Grant 9 plays 0