5th Grade Math Vocabulary

Front

What is an expression in mathematics?

Back

A mathematical phrase made of numbers, variables, operation symbols, and grouping symbols, seen as an equation without an equal sign.

Tags

CCSS.6.EE.A.2B

Front

What does it mean to round a number?

Back

To change a number to its nearest value, for example, changing 532 to 500.

Tags

CCSS.3.NBT.A.1

CCSS.4.NBT.A.3

Front

What is an attribute in geometry?

Back

A characteristic or feature of a shape, such as all squares having 90 degree angles.

Tags

CCSS.1.G.A.1

CCSS.2.G.A.1

Front

What is a decimal?

Back

A part of a whole number that has a decimal point.

Front

What do you call the process of putting together two or more numbers?

Back

Addition.

Tags

CCSS.1.OA.A.1

Front

What is a variable in mathematics?

Back

A symbol used to represent an unknown value, often represented by letters like x or y.

Tags

CCSS.6.EE.A.2B

Front

What is a fraction?

Back

A part of a whole, represented by a numerator and a denominator.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the purpose of an equal sign?

Back

To show that two expressions are the same in value.

Front

What is a digit?

Back

Any of the numerals from 0 to 9 used to represent numbers.

Tags

CCSS.4.NBT.A.2

Front

What is place value?

Back

The value of a digit based on its position in a number.

Tags

CCSS.4.NBT.A.2