Math Vocabulary #2

Front

What is the Associative Property of Addition?

Back

When three or more addends are added, they can be grouped in any order, and the sum will remain the same. Example: (a + b) + c = a + (b + c).

Front

What are Compatible Numbers?

Back

A method for estimating a group of numbers by slightly adjusting some or all of the numbers to allow for easy mental computation.

Front

What is the Least Common Denominator (LCD)?

Back

The least common multiple of the denominators of two or more fractions.

Front

What is an Improper Fraction?

Back

A number in the form a/b where a and b are whole numbers, and a > b, with b not equal to zero.

Front

What is the Order of Operations?

Back

The rules that determine the sequence in which calculations are performed when simplifying an expression.

Front

What is the Commutative Property of Addition?

Back

The property that states that changing the order of the addends does not change the sum. Example: a + b = b + a.

Front

What is a Proper Fraction?

Back

A fraction where the numerator is less than the denominator. Example: 3/4.

Front

What is a Mixed Number?

Back

A number that consists of a whole number and a proper fraction. Example: 2 1/2.

Front

What is a Decimal Number?

Back

A number that includes a decimal point to represent a fraction. Example: 0.75.

Front

What is a Unit Fraction?

Back

A fraction where the numerator is 1 and the denominator is a whole number. Example: 1/5.