Always, Sometimes, Never: 2D Shapes
A square _____ has four right angles
Always
This 3D shape has two flat faces and a curved surface. It can be stacked or rolled
What is a cylinder
An angle greater than 90 degrees and less than 180 degrees?
What is an obtuse angle
Has 4 sides, with all 4 sides congruent
What is a rhombus
How does the POS define coordinate geometry
Location and movement of objects in space can be communicated using a coordinate grid
A parallelogram is _________ a trapezoid
Never
This 3D shape has six faces that are all the same size. It also has 12 edges.
What is a cube
An angle that is exactly 180 degrees?
What is a straight angle
A 4 sided figure with adjacent sides congruent
What is a kite
How does the POS define 3D shapes?
A 3-D shape has reflection symmetry if there is a plane over which the shape reflects and the two halves exactly match
The four sides of a rectangle are ______ the same length
Sometimes
This 3D shape has rectangular faces and square faces
What is a rectangular prism
An angle that is less than 90 degrees?
What is an acute angle
Has 4 sides, with opposite sides congruent and parallel as well as opposite angles congruent
What is a parallelogram
How does the POS define 2D shapes?
A 2-D shape has reflection symmetry if there is a straight line over which the shape reflects and the two halves exactly match
Cutting a corner off a square _____ makes a pentagon
Never
This 3D shape has 2 triangular faces and 5 vertices
What is a square based pyramid
An angle that is 90 degrees
What is a right angle
A 4 sided figure with 4 right angles and opposite sides parallel and congruent
What is a rectangle or square
How does the POS define geometry?
Shapes are defined and related by geometric attributes.
A trapezoid is ______ a quadrilateral
Always
Name 3 attributes of a square based pyramid
It has 5 faces
It has 5 vertices
It can be stacked
An angle more than 180 degrees
What is a reflex angle
A 4 sided figure with one pair of parallel sides and one pair of congruent sides
What is an isosceles trapezoid
How does the POS define symmetry?
Symmetry is a property of shapes and can be created and can occur in nature