Two-Dimensional Shapes

Open Ended

Why do you think it is important to learn about different 2-D shapes in everyday life?

Multiple Choice

Which of the following is a characteristic of two-dimensional shapes?

• They have only length and width.

• They have length, width, and height.

• They are always circular.

• They can be seen only in 3D movies.

Multiple Choice

Which shapes have exactly 3 sides?

• Triangle

• Square

• Pentagon

• Hexagon

Open Ended

What is the difference between defining and non-defining attributes of shapes?

Multiple Choice

Which of the following is a defining attribute of a shape?

• Number of sides

• Color

• Size

• Pattern

Multiple Choice

What is the part of a shape called where two sides meet?

• Vertex

• Side

• Angle

• Edge

Open Ended

Describe what an angle is in your own words.

Multiple Choice

What is a key characteristic that makes a figure 'closed' as seen in the images?

• All sides are connected with no gaps.

• It must have at least four sides.

• It is always colored.

• It must have curved sides.

Multiple Choice

Which of the following best describes the difference between open figures and closed figures as shown in the images?

• Open figures have gaps in their sides, while closed figures have all sides connected.

• Open figures are always colored, while closed figures are not.

• Closed figures have curved sides, while open figures do not.

• Open figures are always triangles, while closed figures are rectangles.

Multiple Choice

How does a half-circle differ from a full circle based on the images?

• A half-circle has one straight edge and one curved edge, while a full circle has only a curved edge.

• A half-circle is always green, while a full circle is always blue.

• A half-circle is a type of triangle, while a full circle is not.

• A half-circle has three sides, while a full circle has one side.

Multiple Select

Which of the following shapes from the images are examples of closed figures?

• Circle

• Half-circle

• Open figure

• Quarter-circle

Open Ended

Describe the similarities and differences between a quarter-circle and a triangle as shown in the images.

Open Ended

How is a rectangle different from a square based on their sides and angles?

Open Ended

How would you explain the importance of learning about two-dimensional shapes in everyday life?

Multiple Choice

Which of the following shapes is a triangle?

• Blue square

• Red circle

• Green triangle

• Yellow pentagon

Multiple Choice

Which of the following shapes has all sides of equal length and four right angles?

• Square

• Rectangle

• Hexagon

• Triangle