Addition of Whole Numbers, Part 2: Summary: Addition of Whole Numbers, Part Two
This clip summarizes the process of finding the sum of two or more whole numbers and, in so doing, revisits the use of expanded notation.
Addition of Whole Numbers, Part I: Order of Addends
This clips explains that, when we add, we can arrange and group the addends in any order we like. The answer will always be the same.
Addition of Whole Numbers, Part I: 100 Addition Facts, The
This clip explains that there are 100 addition facts that should be learned so that they become as automatic as knowing that the letter "b" comes after the letter "a" in the alphabet.
Addition of Whole Numbers, Part I: Basics of Addition, The
This clip explains that the basic idea behind adding whole numbers is combining smaller groups--called addends--to form a larger one--known as the sum.
Weight and Temperature: Fahrenheit, Celsius and Formulas for Temperature Conversion
This clip introduces the measurement of temperature, explaining the terms Fahrenheit and Celsius in the process. The clip also explains how to convert from one to the other. "To convert from Celsius to Fahrenheit," the clip states, "
we use the for...
Weight and Temperature: Summary: Weight and Temperature
This clip reviews the key points in the lesson on weight and temperature, including conversion between the U.S. Customary System and the Metric System, as well as conversion between Fahrenheit and Celsius.
Two examples using Parentheses in Algebra
Two examples evaluating the effect of parentheses on algebraic expressions.
Practical Problem: Finding the Price of Chairs
A practical problem is used to demonstrate the strategy of doing the addition and subtraction before doing the division when solving an equation.
Multiplying Two Expressions
Multiplying the contents of two sets of parentheses demonstrates how algebra provides the tools to break the most complicated problem into simple, sequential steps.
Introduction to a Third Variable: RT=E
An example of an algebraic expression that uses three variables.