Fourth grade math

Front

What is a perpendicular line?

Back

A perpendicular line is a line that intersects another line at a right angle (90 degrees).

Front

What is an acute angle?

Back

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

Front

What is an even number?

Back

An even number is any integer that is exactly divisible by 2.

Front

What is the product of 8 and 12?

Back

The product of 8 and 12 is 96.

Front

What is an obtuse angle?

Back

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

Front

What is a right angle?

Back

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

Front

What is the sum of 2 and 3?

Back

The sum of 2 and 3 is 5.

Front

What is the difference between 10 and 4?

Back

The difference between 10 and 4 is 6.

Front

What is the definition of a triangle?

Back

A triangle is a polygon with three edges and three vertices.

Front

What is the formula for finding the area of a rectangle?

Back

The area of a rectangle is found by multiplying its length by its width (Area = length × width).