4th Grade Math Review

Front

What is a fraction?

Back

A fraction represents a part of a whole. It is written as two numbers separated by a slash, like 1/2.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What does it mean to paint a fraction of a wall?

Back

It means that a part of the wall is covered with paint, represented by a fraction of the total area.

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

Front

What is the definition of parallel lines?

Back

Parallel lines are lines that never meet and are always the same distance apart.

Tags

CCSS.HSG.CO.A.1

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Tags

CCSS.4.G.A.1

CCSS.HSG.CO.A.1

Front

What is an array in math?

Back

An array is a way to organize objects in rows and columns to represent multiplication.

Tags

CCSS.3.OA.A.1

Front

What is the formula for multiplication?

Back

The formula for multiplication is: Number of rows x Number of items in each row = Total number of items.

Tags

CCSS.3.OA.A.1

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

How do you calculate change from a purchase?

Back

To calculate change, subtract the total cost from the amount of money you have.

Tags

CCSS.1.OA.A.1