A 2-D shape is _____________ a non-polygon
SOMETIMES
List the shapes that are considered parallelograms.
Rectangle
Rhombus
Square
An acute triangle is __________ an equilateral triangle.
SOMETIMES
Draw a parallelogram that is NOT a rhombus
answers may vary.
2.Select all the names of figures that can be classified as polygons.
A.Squares D. Triangles
B.Circles E. Cubes
C.Rhombuses F. Cylinder
A. Squares
C. Rhombuses
D. Triangles
What makes a parallelogram different from a quadrilateral? Which shape is a quadrilateral, but not a parallelogram?
Parallelograms contain shapes that have two pairs of parallel sides, and two pairs of sides that are equal in length. A trapezoid is a quadrilateral, but not a parallelogram.
2. Which triangle fits the following description:
One angle is 90° and two congruent sides.
A.Obtuse isosceles triangle
B.Right scalene triangle
C.Right isosceles triangle
D.Acute equilateral triangle
right isosceles triangle
Describe the properties of a polygon.
Flat surface
Closed
Straight sides
no intersecting lines
2 D Shapes
3 or more sides
Select all the properties of polygons.
A. One curved side
B. Closed plane figure
C. Three or more connecting sides
D. Two non-connecting sides
E. Three-dimensional
B. Closed plane figure
C. Three or more connecting sides
2.Select all the properties of quadrilaterals.
A.Four connecting sides
B.Closed plane figure
C.Three connecting sides
D.Five or more connecting sides
E.Four angles
B. Closed plane figure
E. Four angles
What is the name of this triangle?
Scalene. Because It has no congruent sides.
Select all the properties that both rectangles and squares share.
A. 4 right angles
B. 4 sides of equal length
C. 2 pairs of parallel sides
D.2 pairs of sides with equal
length
E. No congruent sides
A. four right angles
C. 2 pairs of parallel sides.
D. 2 Pairs of sides with equal length
Draw 1 example of each:
NonpolygonPolygon
Triangle
Quadrilateral
5 or More sided figure
Whiteboard
Choose the correct statement below.
A. A square is always an isosceles trapezoid.
B. A square is never an isosceles trapezoid.
C. A square is always a rhombus
D. A square is never a rhombus.
E. A square is sometimes a quadrilateral
A. A square is always an isosceles trapezoid
C. A square is always a rhombus
On the whiteboard, draw 2 different right trianlges, and 2 different isosceles triangles.
Answers may vary
Select all the names of figures that could also be classified as a rhombus.
□ Parallelogram
□ Square
□ two dimensional figure
□ Quadrilateral
□ Triangle
parallelogram
square (only when it has four right angles)
two dimensional figure
quadrilateral
Select all the shapes that always share the properties in the explanation below:
At least 2 sides of equal length
2 pairs of parallel sides
4 right angles
A. Square
D. Rectangle
Consider the family of quadrilaterals that includes parallelograms, trapezoids, rectangles, squares, and rhombuses. Select all the statements about these quadrilaterals that are true.
A. Squares are always rectangles
B. Squares are always rhombuses
C. Rectangles are always squares
D. Rhombuses are sometimes rectangles
E. Rhombuses are always squares
A. Squares are always rectangles
B. Squares are always rhombuses
1.Select all the attributes of an obtuse scalene triangle.
A.All angles less than 90°
B.One angle is 90°
C.One angle is more than 90°
D.All sides are congruent
E.All sides are different lengths
F.Two sides are congruent
C. One angle is more than 90
E. All sides are different lengths
Create a Hierarchy Diagram using the following terms:
Parallelograms
Squares
Rectangles
Rhombi
Quadrilaterals
Polygons
Hexagons
Non Polygons
Trapezoids
Whiteboard