Using Division to Change Terms
In addition to addition, subtraction, and multiplication, division can be used to change the numbers in a system.
Using Parentheses in the Order of Operations
Parentheses indicate a package and are a tool for changing the order of operations.
Compound Denominate Numbers: Summary: Compound Denominate Numbers
This clip reviews the key points involved in adding, subtracting, multiplying and dividing compound denominate numbers. Some of the topics covered include unit conversion to largest possible unit (adding), borrowing (subtraction), converting to the ...
Distributive Law at Work
A practical application of the distributive law is presented.
Word Problems: Two-Step Problem, A
This clip introduces the use of parentheses in two-step problems, explaining that the first step is always to solve the problem inside the parentheses, and then use that answer to solve the main problem.
Word Problems Simplified by Using Algebra
How to translate word problems into algebraic equations.
Writing Algebraic Expressions
Introducing different ways to write algebraic expressions.
Multiplicative Inverses
Every number has an additive inverse. The concept of inverses in algebra is explained and the use of additive inverses is demonstrated.