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# Geometric Ideas

(2 ratings )

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Students will be able to identify, define, and describe a point, a line, and a line segment.

(10 minutes)
• Prior to the lesson, cut out lines, line segments, and rays from colored construction paper.
• Without identifying the diagrams by name, tell the similarities and differences between the diagrams.
• Then, identify each diagram by name.
• Tell your students that a RayHas a point on one end, a LineHas no end points, and a Line segmentHas two end points.
(15 minutes)
• Ask your students where they might see examples of these objects in real life. For example, they might see the beam from a flashlight, one end of a ruler to another, a wheel, etc.
• Show your students the different kinds of lines, such as horizontal, vertical, diagonal, and zigzag.
• Have students tell the similarities and differences between these types of lines.
(20 minutes)
• Tell students to draw examples of each type of line in their notebooks and label them.
• In groups, allow students to get additional practise making these lines, line segments, and rays with different types of sticks.
(10 minutes)
• Have students complete the Geometry worksheet. Encourage them to draw out the items for assistance.
• Enrichment:Ask students to complete Lines, Line Segments, and Rays worksheet.
• Support:Give your students string and sticks to practise making these designs.
(5 minutes)
• On the board, mislabel a ray, a line, and line segment. Have your students correct the errors.
(5 minutes)
• Encourage your students to combine the lines, rays, and line segments to make new shapes.
• Walk around the room and check to make sure that your students are identifying the lines correctly.

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