Difference between revisions of "Slope of parallel and perpendicular lines"
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=Activity - Name of Activity= | =Activity - Name of Activity= | ||
− | + | '''Parallel lines have the same slope and slope of perpendicular lines are the negative reciprocals of each other''' | |
==Estimated Time== | ==Estimated Time== | ||
− | + | 1 Hour | |
==Materials/ Resources needed== | ==Materials/ Resources needed== | ||
+ | Geogebra applet | ||
==Prerequisites/Instructions, if any== | ==Prerequisites/Instructions, if any== | ||
+ | #Students should know that every line is a representation of an equation /relation between variables | ||
+ | #Graphing an equation/producing equation by visualising graph | ||
+ | #Students should know what is Slope? | ||
+ | #Similarity of two triangles | ||
==Multimedia resources== | ==Multimedia resources== | ||
==Website interactives/ links/ simulations/ Geogebra Applets== | ==Website interactives/ links/ simulations/ Geogebra Applets== | ||
==Process (How to do the activity)== | ==Process (How to do the activity)== | ||
+ | Play with the following Geogebra applet <br> | ||
+ | |||
+ | [[http://tube.geogebra.org/material/show/id/143280 From this geogebra applet we can visualise that slope of two parallel lines are same and slope of two perpendicular lise are negetive resiprocals of each other]] | ||
+ | |||
==Developmental Questions (What discussion questions)== | ==Developmental Questions (What discussion questions)== | ||
+ | #Move the Blue points observe the changes | ||
+ | #record the Slopes of two lines | ||
+ | #Compare the values | ||
==Evaluation (Questions for assessment of the child)== | ==Evaluation (Questions for assessment of the child)== | ||
+ | Can we prove that the given triangle is Right angled triangle?<br> | ||
+ | [[Image:evaluation .png|400px]] | ||
+ | |||
==Question Corner== | ==Question Corner== | ||
==Activity Keywords== | ==Activity Keywords== | ||
− | + | ||
− | [[ | + | [[http://karnatakaeducation.org.in/KOER/en/index.php/Co-ordinate_geometry Back to Co-ordinate geometry Page Link]] |
− | + | ||
− | + | [[Category:Co-ordinate Geometry]] | |
− | |||
− |
Latest revision as of 11:56, 7 November 2019
Activity - Name of Activity
Parallel lines have the same slope and slope of perpendicular lines are the negative reciprocals of each other
Estimated Time
1 Hour
Materials/ Resources needed
Geogebra applet
Prerequisites/Instructions, if any
- Students should know that every line is a representation of an equation /relation between variables
- Graphing an equation/producing equation by visualising graph
- Students should know what is Slope?
- Similarity of two triangles
Multimedia resources
Website interactives/ links/ simulations/ Geogebra Applets
Process (How to do the activity)
Play with the following Geogebra applet
Developmental Questions (What discussion questions)
- Move the Blue points observe the changes
- record the Slopes of two lines
- Compare the values
Evaluation (Questions for assessment of the child)
Can we prove that the given triangle is Right angled triangle?