4th Grade Math review

Front

Round to the nearest hundred: 7,491

Back

7,500

Front

What type of angle is shown?

Back

Obtuse angle is greater than 90 degrees but less than 180 degrees.

Front

Which are factors of 20?

Back

Factors of 20 are: 1, 2, 4, 5, 10, 20.

Front

Classify the triangle: A triangle with one angle greater than 90 degrees.

Back

Obtuse triangle.

Front

Classify the triangle: A triangle with one angle equal to 90 degrees.

Back

Right triangle.

Front

Classify the triangle: A triangle with all angles less than 90 degrees.

Back

Acute triangle.

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Front

What is a prime number?

Back

A prime number is a number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is a composite number?

Back

A composite number is a number that has more than two positive divisors.

Front

What is the perimeter of a rectangle?

Back

The perimeter of a rectangle is calculated as P = 2(length + width).