STAAR Math Review

Front

What is the formula to calculate the perimeter of a rectangle?

Back

Perimeter = 2 × (length + width)

Front

If a rectangle has a length of 12 feet and a width of 18 feet, what is its perimeter?

Back

60 feet

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is an obtuse angle?

Back

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

Front

What is the total distance Maggie rides in 6 weeks if she rides 29 miles each day?

Back

1,214 miles (29 miles/day × 42 days) or approximately 1,400 miles.

Front

How do you measure an angle to the nearest degree?

Back

Use a protractor to measure the angle and round to the nearest whole number.

Front

What is a polygon?

Back

A closed figure with three or more straight sides.

Front

What is the difference between a regular and irregular polygon?

Back

A regular polygon has all sides and angles equal, while an irregular polygon does not.

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees.

Front

What is the sum of the interior angles of a quadrilateral?

Back

360 degrees.