2/21/25 4.6D (Readiness) - 4th Grade Math STAAR Review

Front

What is a rectangle?

Back

A rectangle is a four-sided shape (quadrilateral) with opposite sides that are equal in length and four right angles.

Front

What is an acute angle?

Back

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

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 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 triangle with one right angle called?

Back

A right triangle.

Front

What is a shape with exactly two pairs of parallel sides called?

Back

A parallelogram.

Front

What is a trapezoid?

Back

A trapezoid is a four-sided shape (quadrilateral) with at least one pair of parallel sides.

Front

What is the difference between a square and a rectangle?

Back

A square is a rectangle with all four sides of equal length.

Front

What does it mean for lines to be perpendicular?

Back

Perpendicular lines are lines that intersect at a right angle (90 degrees).

Front

What is a polygon?

Back

A polygon is a closed figure made up of straight line segments.