Difference between revisions of "Slope of a line"
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===Activities=== | ===Activities=== | ||
#Activity No 1[[ Positive and negetive slope]]<br> | #Activity No 1[[ Positive and negetive slope]]<br> | ||
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=='''Slopes of Parallel and perpendicular lines'''== | =='''Slopes of Parallel and perpendicular lines'''== | ||
Revision as of 20:54, 13 August 2014
| Philosophy of Mathematics |
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Concept Map
Textbook
Please click here for Karnataka and other text books.
Additional Information
Useful websites
For more video lessons on Slope click
Reference Books
Teaching Outlines
understanding what is a Slope
Learning objectives
- Slope is measure of the steepness of a line.
- Students will understands that slope increases with the steepness.
- Students will recognize and make a connection between the magnitude of the slope and the steepness of a line.
- Students will understands that Slope is a number (magnitude).
- Students understands that Slope is the orientation or inclination of a line with the X-axis.
- Students should also be able to draw a line with a specific slope.
Notes for teachers
Slope is a number which represents the steepness of a line Students can relate the slope of line to the tangent of the angle of elevation.
Activities
- Activity No #1 understanding what is Slope of a line
Positive and Negetive Slope
Learning objectives
- Students should also be able to visualise a line with positive and negetive Slope
- Students should also be able to differentiate a line with positive and negetive Slope
Notes for teachers
If the change in Y with the value of X decreases corresponding line will have Negetive Slope
If the change in Y with the value of X increases corresponding line will have Positive Slope
Activities
- Activity No 1Positive and negetive slope
Slopes of Parallel and perpendicular lines
Play with the following Geogebra applet
From the following 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
Slopes of Parallel and Perpendicular lines