A circle is round.
A cone is a shape that has a point at one end and a circular opening at the other end.
A crescent is the shape of the moon around the time of the new moon.
A cube is a solid geometric figure with six square faces.
A curve is a wavy line or surface.
A cylinder is a figure with a long round body .
A diamond is a four-sided figure whose sides are all the same length. People play baseball on a diamond-shaped field.
A dodecahedron is a twelve-sided regular geometric solid composed of pentagons.
An ellipse is a flattened circle.
The sides of an equilateral triangle are all the same length.
Fractals are patterns within patterns within patterns.
The heart is a shape that often symbolizes love.
A heptagon is a seven-sided figure.
A hexaflexagon is a folded geometric figure that can be “flexed” to expose its many sides.
A hexagon is a six-sided figure. Bee hives have hexagonal cells.
An icosahedron is a twenty-sided regular geometric solid.
An isosceles triangle has two sides that are the same length and two angles that are the same.
A kite is a four-sided figure in which the two pairs of adjacent sides have the same length.
A line segment is a portion of a line.
A Möbius strip is a piece of paper with only one side!
An octagon is an eight-sided figure. Stop signs are octagons.
An octahedron is an eight-sided regular geometric solid.
A ball-shaped object is an orb.
An oval is an egg-shaped figure.
A parallelogram is a four-sided figure whose opposite sides are parallel.
A pentagon is a five-sided figure.
A point is a very small dot.
Polka dots are patterns of dots.
A polygon is a many-sided figure with straight edges.
Polyhedra are solids made from polygons.
The pyramids in Egypt are huge buildings that have a square base and triangular sides.
A quadrilateral is a four-sided figure. The square, rectangle, rhombus, trapezoid, kite, and parallelogram are quadrilaterals.
A rectangle is a four-sided figure whose sides are at right angles to each other.
A rhombus is a parallelogram with equal-length sides.
A right triangle has one angle that is a right angle (extending 90 degrees).
Round things are curved. A circle is round.
The sides of a scalene triangle are all different lengths.
A semicircle is half a circle.
Everything has a shape.
A sphere is a ball-shaped object.
A spiral is a curve that winds in on itself. Snail shells have a spiral pattern.
A square has four, equally long sides which are at right angles to each other.
A star is a shape that has many points.
A tetrahedron is a pyramid formed by four triangles.
A torus is a doughnut-shaped object.
A trapezoid is a four-sided figure with two parallel sides.
A triangle has three sides.
A zigzag is a line that sharply turns back and forth.