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Pre-Algebra
7th grade at Solebury
15
Mathematics
7th Grade
10/24/2008

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Cards

Term
Algebra
Definition
a branch of mathematics dealing with symbols
Term
Variable
Definition
a place holder for any value, usually it is a letter like a, b, x or y
Term
Evaluate
Definition
find the value of any expression
Term

Solving the Equation

Definition
The process of finding a solution to an equation.
Term
Conjecture
Definition
An educated guess
Term
Inductive Reasoning
Definition
Conjecture based upon a pattern of behaviors or past events.
Term
Numerical Expression
Definition
A combination of numbers and operations such as addition, subtraction, division and multiplication
Term
Order of operations
Definition

Please

Excuse

My Dear

Aunt Sally

The order of the way you solve an algebraic problem

Term
Algebraic Expression
Definition
An expression that contains sums, products with variables and numbers.
Term
Define a variable
Definition
choosing a variable and a quatity for the variable to represent in an equation.
Term
Properties
Definition

statements that are true for any number

Term
Counterexample
Definition

an example that shows that

a conjecture is NOT true

Term
Simplify
Definition
to write an expression in a simpler form
Term
Deductive Reasoning
Definition
The process of using facts or properties to justify reason or reach a valid conclusion
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