Grade 2 • Mathematics • Geometry

Grade 2 Mathematics

Geometry

Geometry Vocabulary

• Cube: a solid with 6 faces all the same size
• Closed Figure: a plane figure that completely surrounds an area
• Edge: the line segment where two faces of a solid figure meet
• Face: a flat surface on a solid figure
• Figure: a shape in 2 or 3 dimensions
• Half: 2 equal parts
• Hexagon: a figure with 6 sides
• Partition: to divide into parts
• Pentagon: a figure with 5 sides
• Open Figure: a plane figure that does not completely enclose an area
• Quadrilateral: a four-sided figure
• Thirds: three equal parts
• Triangle: a figure with 3 sides
• Vertex: where two line segments, lines or rays meet to form an angle
• Whole: all of the parts

Geometry Activities 

• Look for 2-D and 3-D shapes around your house and community.
• Compare 2-D and 3-D shapes. Look for the 2-D shapes that make up the 3-D shapes.
• Talk about the shapes of foods that are eaten. For example, oranges are spheres.
• Talk about the shapes of containers in stores. For example, cans are cylinders and boxes are rectangular prisms or cubes.

Geometry Independent Practice

• Recognize and Draw Shapes Links to an external site.
• Partitioning Circles and Rectangles Links to an external site.