Classifying Shapes and Angles

The shapes above were sorted into two groups. Which of the following are two possible titles for those groups?

• Shapes with Right Angles, Shapes with No Angles

• Shapes with All Equal Sides, Shapes with Right Angles

• Shapes with Right Angles, Shapes with Parallel Sides

• Shapes with All Equal Sides, Shapes with Obtuse Angles

Tags

CCSS.3.G.A.1

A parallelogram with four right angles

• Circle

• Octagon

• Trapezoid

• Rectangle

Tags

CCSS.5.G.B.4

Which of the following is an obtuse angle?

• 
• 
• 
• 

Tags

CCSS.4.G.A.1

What type of angles does this shape have?

• 2 right angles, 2 obtuse angles, 1 acute angle

• 1 right angles, 3 obtuse angles, 1 acute angle

• 2 right angles, 1 obtuse angles, 2 acute angle

• 1 right angles, 1 obtuse angles, 1 acute angle

Tags

CCSS.4.G.A.1

• Ray
• Point
• Line
• Line segment

Tags

CCSS.4.G.A.1

Classify this angle.

• Obtuse

• Right

• Reflex

• Straight

Tags

CCSS.4.G.A.1

Classify this angle.

• Right

• Straight

• Obtuse

• Acute

Tags

CCSS.4.G.A.1

Classify this angle.

• Acute

• Straight

• Obtuse

• Right

Tags

CCSS.4.G.A.1

Classify this triangle.  Make sure list ALL the names.

• Scalene, Acute

• Scalene, Obtuse

• Equilateral, Obtuse

• Equilateral, Acute

Tags

CCSS.4.G.A.2

Classify this shape.  Make sure list ALL the names.

• Quadrilateral, Parallelogram, Rectangle, Rhombus, Square Trapezoid

• Quadrilateral, Parallelogram, Rectangle

• Quadrilateral, Trapezoid

• Quadrilateral, Parallelogram, Rhombus

Tags

CCSS.3.G.A.1