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Chapter 7-Fractions
Chapter 7-Fractions
16
Mathematics
4th Grade
12/13/2010

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Term
Benchmark
Definition
A known size or amount that helps you understand a different size or amount.
Term
Common Denominator
Definition
A common multiple of two or more denominators.
1/4 and 3/4
Term
Common Multiple
Definition
A number that is a multiple of two or more numbers.
4:(4,8,12,16,20,24) 8:(8,16,24,32)

(8,16,24)
Term
Common Factor
Definition
A number that is a factor of two or numbers.
12 (1,2,3,4,6,12) 18(1,2,3,6,9,18)

(1,2,3,6)
Term
Equivelant Fractions
Definition
Two or more fractions that name the same amount.
2/8 = 1/4
Term
Simplest Form
Definition
The name of a fraction when 1 is the only number that can divide evenly into the numerator and denominator.

6/10=3/5
4/12=1/3
2/4=1/2
Term
Array
Definition
An arrangement of objects in rows and columns.
Term
Denominator
Definition
The bottom number in a fraction. Tells how many equal parts are in the whole.
Term
Factor
Definition
A number that is multiplied by another number to find a product.
Term
Fraction
Definition
A number that names a part of a whole or part of a group.
Term
Mixed Number
Definition
An amount given as a whole number and a fraction.
Term
Inverse operations
Definition
Operations that undo each other.
Term
Numerator
Definition
The top number in a fraction. The number above the bar in a fraction that tells how many parts of the whole or group are being considered.
Term
product
Definition
The answer to a multiplication problem.
Term
multiple
Definition
The product of two counting numbers is called a multiple of each of those numbers.
Term
Estimate
Definition
a number that is close to the exact amount.
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