Classify Shapes

This Venn diagram is being used to classify two types of quadrilaterals. Which type of figure will always belong in the shaded section of this Venn diagram?

• Rectangle

• Rhombus

• Square

• Trapezoid

This graphic organizer is being used to classify triangles based on their angle measures or side lengths. Which list shows all of the ways this triangle could be classified?

• Acute only

• Equilateral only

• Acute and isosceles only

• Acute, isosceles, and equilateral only

The graphic organizer shown can be used to classify triangles. Which triangle can be classified as scalene?

• 
• 
• 
• 

This Venn diagram shows the relationship between some types of triangles.

Which triangle belongs in the intersection of “Acute triangles” and “Isosceles triangles”?

• 
• 
• 
• 

Nathan built the hanging mobile shown in the picture to show some relationships among shapes. Which shape goes in the empty box in order to complete Nathan’s mobile?

• Trapezoid

• Rhombus

• Triangle

• Quadrilateral

In the diagram shown each circle represents a group of polygons. If a polygon belongs in a circle, it also belongs in any larger circle. Which kind of polygon belongs in the shaded circle?

• Trapezoids

• Squares

• Pentagons

• Rhombuses

Elizabeth is making a mobile that lists quadrilaterals. What is the name of the subset of quadrilaterals missing from Elizabeth’s mobile?

• Hexagon

• Triangle

• Parallelogram

• Triangle

Which shape is NOT sorted correctly in the graphic organizer?

• Circle

• Pentagon

• Quadrilateral

• Triangle

Quadrilaterals are shapes that have ______________.

• 4 or more sides and angles

• exactly 4 sides and 4 angles

• more than 4 sides and angles

Which shapes are classified as parallelograms?

• all shapes that have opposite sides parallel to each other

• all four-sided shapes that have opposite sides parallel to each other

• all shapes that have at least one pair of parallel sides

• all four-sided shapes that have at least one pair of parallel sides