Pre-Assessment: 8th Grade Math

Front

What is an obtuse angle?

Back

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

Front

Solve for n: 3n + 4 = 7

Back

n = 1

Front

What is a right angle?

Back

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

Front

Solve for s: 9 = 2s + 1

Back

s = 4

Front

How do you calculate the area of a rectangle?

Back

Area = length × width.

Front

What is an acute angle?

Back

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

Front

What is the formula for the perimeter of a rectangle?

Back

Perimeter = 2(length + width).

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

Solve for x: 5x - 3 = 12

Back

x = 3.

Front

What is the sum of angles in a triangle?

Back

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