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Expressions Vocab
Associative Property of Addition
Variable
Expressions Vocab
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1
Variable
Able to vary.
A letter or symbol that represents what you had for breakfast this morning.
A letter or symbol that represents an unknown quantity.
A number that represents an unknown quantity.
2
Associative Property of Addition
a + b = b + a
a x b = b x a
(a x b) x c = a x (b x c)
(a+b)+c = a+(b+c)
3
Evaluate
Finding the value.
Finding the wrong answer only.
4
Identity Property of Multiplication
When you twin with someone who looks like you, theres now two of you.
When the multiplication sign looks like a dot or x.
a + 1 = a = 1 + a
a x 1 = a = 1 x a
5
Associative Property of Multiplication
a + b = b + a
a x (b x c) = (a x b) x c
a x b = b x a
(a+b)+c = a+(b+c)
6
Composite Number
It has at least eight factors.
It has less that two factors.
It has more than two factors
It has only two factors.
7
Distributive Property across Addition
a(b+c) = a(b)+a(c)
Throwing out addition.
a(b-c) = a(b) - a(c)
Moving around the addition sign.
8
Algebraic Expression
Math expression that has operations and numbers.
Math expression that has at most one variable.
Math expression that has at most one operation.
Math expression that has at least one variable and at least one operation.
9
Coefficient
Efficiency in math class.
The number that is multiplied by a number.
The number that is multiplied by a variable.
The number that is added or subtracted.
10
Distributive Property across Subtraction
a(b-c) - a(b) - a(c)
Moving around the minus sign
a(b+c) = a(b)+a(c)
a(b-c) = a(b) - a(c)
11
Numerical Expression
A mathematical phrase with only numbers.
A mathematical phrase with only operations.
A mathematical phrase with variables, numbers, and operations.
A mathematical phrase that includes numbers and at least one operation.
12
Base
A number that lifts up other numbers.
The number that says how many times to multiply.
A number that is multiplied by the exponent.
The number that is repeatedly multiplied.
13
PEMDAS
Multiplication/Division Addition/Subtraction Exponents , Parentheses
Exponents , Parentheses Multiplication/Division Addition/Subtraction
Addition/Subtraction Multiplication/Division Parentheses, Exponents
Parentheses , Exponents Multiplication/Division Addition/Subtraction
14
Exponent
The number that is repeatedly multiplied.
The number that is larger.
How many times the base is used as a factor.
How many times the base breaks up with its ex.
15
Commutative Property of Addition
(a x b) x c = a x (b x c)
(a + b) + c = a + (b + c)
a x b = b x a
a + b = b + a
16
Commutative Property of Multiplication
(a x b) x c = a x (b x c)
a + b) + c = a + (b + c)
a x b = b x a
a + b = b + a
17
Factor Tree
Shows the composite factorization of a prime number.
Shows the prime factorization of a composite number.
A tree with factor ornaments.
Shows the factors' pictures on a christmas tree.
18
Greatest Common Factor
The greatest number that is a factor of two or more numbers.
The smallest number that is a factor of two or more numbers.
The smallest number that is a multiple of two or more numbers.
The greatest number that is a multiple of two or more numbers.
19
Identity Property of Addition
a x 0 = a = 0 x a
When addition looks like another addition sign.
When anything is identical.
a + 0 = a = 0 + a
20
Prime Factorization
When a composite number is written as a product of its prime factors.
When a prime number is written as a product of its factors.
When a prime number is factorized.
When a composite number is multiplied by two.
21
Prime Number
The only factors are 1 and itself.
Any even number.
Any odd number.
It has more than two factors.
22
Term
Each part of an expression separated by a plus or minus sign.
Each number in an expression.
The school year.
Each part of an expression separated by any operation.
23
Order of Operations
The order in which you should write any expression.
The order in which you should solve any life problem
The order in which you should do your chores.
The order in which you should solve any expression.
24
Least Common Multiple
The least multiple, not including zero, uncommon to both numbers.
The least factor, not including zero, common to both numbers.
The largest multiple, not including zero, common to both numbers.
The least multiple, not including zero, common to both numbers.
