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Vocabulary List 7 (Fraction Vocab), Vocab List 8 Fraction Operations, Vocabulary List 9 - Order of Operation (Final 3 of 4)
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Key Concepts:
Terms in this set (30)
Unit
One whole
Unit Fraction
A fraction that has 1 as its numerator.
Equivalent Fraction
different fractions that are equal in value
Non-Unit Fraction
any fraction that does NOT have one as its numerator 2/3, 3/4,
Numerator
the top number in a fraction
Denominator
The bottom number in a fraction
Fraction Bar
The line that separates the numerator and the denominator, or division symbol
Improper Fraction
a fraction whose numerator is larger than the denominator
Mixed Number
a number made up of a whole number and a fraction
Common Denominator
a denominator that is the same in two or more fractions.
improper fraction
a fraction where the numerator is larger than the denominator
equivalent fractions
Fractions that share the same value
least common denominator
The least common multiple of the denominators of two or more fractions.
Reciprocals
two fractions whose product is 1
2/3 and 3/2
common denominator
same denominator for both fractions
unlike denominators
different denominators for both fractions
adding and subtracting fractions
find the common denominator, then add or subtract the numerators
multiplying fractions
Multiply the numerators
Multiply the denominators
Simplify the answer (find greatest common factor - GCF)
dividing fractions
Multiply the 1st fraction by the reciprocal of the second
Simplify the answer
Simplify
A fraction is in simplest form when the top and bottom cannot be any smaller (while still being whole numbers)
operations
A series of procedures and processes undertaken in order to create outputs
equation
A mathematical sentence that contains an equals sign.
grouping symbols
parentheses ( ), brackets [ ], and braces { } that group parts of an expression.
quotient
the answer to a division problem
product
The answer to a multiplication problem
order of operation
the order in which operations in an expression to be evaluated are carried out. 1. parentheses 2. exponets 3. multiplication and divison 4. addition and subtraction
numerical expression
A mathematical expression is an algebraic expression that consist of different operations or numbers operations with no equal sign. An example is 90 - 4(a + 8).
exponent
A mathematical notation indicating the number of times a quantity is multiplied by itself.
sum
the answer to an addition problem
difference
the answer to a subtraction problem
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