4th Grade Math Review

Front

What are the factors of 20?

Back

The factors of 20 are 1, 2, 4, 5, 10, and 20.

Front

What is expanded form of 7,432?

Back

7,432 in expanded form is 7,000 + 400 + 30 + 2.

Front

What is the solution to 254 - 8?

Back

The solution is 246.

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Front

How do you calculate the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is the perimeter of a rectangle with length 10 feet and width 4 feet?

Back

The perimeter is 28 feet.

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 the value of 5 x 6?

Back

The value is 30.

Front

What is the area of a rectangle with length 5 feet and width 3 feet?

Back

The area is 15 square feet.

Front

What is a right angle?

Back

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