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US

1001971

Chapter 5: Algebra

- The laws of arithmetic
- Commutative Law
- Addition and subtraction are
commutative operations
- Multiplication and division aren't
- Says that you can operate with
two numbers in reverse order

- Addition and subtraction are
commutative operations
- Associative Law
- Addition and multiplication
are associative
- Division and subtraction aren't
- Says that when operating with more than two
numbers you can group them in any way

- Addition and multiplication
are associative

- Commutative Law
- The distributive law
- Multiply the number outside the
grouping systems by each term
inside
- You can multiply a
number by splitting it into
the sum of other numbers

- Multiply the number outside the
grouping systems by each term
inside
- Variables
- A letter that stands
for a number
- An algebraic equation
is an expression that
has pronumerals in it

- A letter that stands
for a number
- From words
to algebraic
expressions
- Use variables to covert worded
expressions into algebraic expressions

- Use variables to covert worded
expressions into algebraic expressions
- Substitution
- Substitution one
thing with another
- In algebra it means to replace the
pronumeral with a number to
evaluate an algebraic expression

- Substitution one
thing with another
- Equations
- Rule: An equation
always has an equal sign
- Can use "guess and check"
- Solution given by value of x

- Rule: An equation
always has an equal sign
- One-step equations
- Backtracking method
- Balancing method

- Backtracking method
- Two-step equations
- Equation problems

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