Segments and Distance
I.SectionObjectives
- Measure distances using different tools.
- Understand and apply the ruler postulate to measurement.
- Understand and apply the segment addition postulate to measurement.
- Use endpoints to identify distances on a coordinate grid.
II.ProblemSolvingActivity-TownDesign
- Students are assigned the task of using measurement to design their own town.
- Students will need rulers, pencils, colored pencils and chart paper.
- Each town needs to have the following buildings in it: a post office, a police station, a bank, a park, a school
and some houses. The students can expand this list if they choose. - Each town map needs a scale to determine the distances from one building to another building. This scale
could be expanded to include standard and metric measurement. - Each students needs to develop a key that shows the measurements from one building to another.
- Distances must be actual distances measured with rulers and matched to scale. This could be expanded to
include both standard and metric measurement. - After the design has been completed, the students need to write a series of directions and distances for someone
to travel around their town. The distances should be clear enough for any other student to follow. - Students pair up with a peer to check and make sure that student directions/measurements are accurate.
- Finally, allow students time to share their designs in small groups or with the entire class.
III.MeetingObjectives
- Students were required to measure distance using different tools.
- Street measurement is a real life example of the ruler postulate.
IV.NotesonAssessment
- Observe students as they work on this assignment.
- You can create a rubric where each piece of the assignment is worth points.
- For example, the scale is worth 4 points.
- Then student grading is calculated out of the total possible points.
- Check final work for accuracy.
- Are the directions/measurements clear and accurate?
- Does the town contain all of the essential buildings?
- Provide student feedback and grading according to a rubric.
Rays and Angles
I.SectionObjectives
- Understand and identify rays.
- Understand and classify angles.
- Understand and apply the protractor postulate.
5.1. Basics of Geometry