STAAR Review #2

Front

What is a protractor used for?

Back

A protractor is a tool used to measure angles in degrees.

Front

What is an acute angle?

Back

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

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 an equilateral triangle?

Back

An equilateral triangle is a triangle where all three sides are of equal length and all angles are equal to 60 degrees.

Front

What does expanded notation mean?

Back

Expanded notation is a way to write numbers by showing the value of each digit.

Front

How do you write 59.04 in expanded notation?

Back

(5 x 10) + (9 x 1) + (4 x 0.01)

Front

What is the value of the digit 5 in the number 5,432?

Back

5,000

Front

What is a triangle?

Back

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

Front

What is the sum of angles in a triangle?

Back

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