Difference between revisions of "Introduction to a square and its properties"
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==Concept #2. Measurements in a square.== | ==Concept #2. Measurements in a square.== | ||
===Learning objectives=== | ===Learning objectives=== | ||
| + | # The students learn that the four sides of a square are equal. | ||
| + | # They understand that the adjacent sides are at right angles with each other. | ||
| + | # The area of a square is side x side sq units. | ||
| + | # The perimeter of a square is the length of distance around its boumdary which is 4 times its side. | ||
===Notes for teachers=== | ===Notes for teachers=== | ||
===Activity No # === | ===Activity No # === | ||
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''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div> | ''[http://www.karnatakaeducation.org.in/?q=node/305 Click to Comment]''</div> | ||
|} | |} | ||
| − | *Estimated Time | + | *Estimated Time: |
| − | *Materials/ Resources needed | + | 20 minutes. |
| + | *Materials/ Resources needed: | ||
| + | # Laptop, geogebra file, projector and a pointer. | ||
*Prerequisites/Instructions, if any | *Prerequisites/Instructions, if any | ||
| − | *Multimedia resources | + | # The students should have prior knowledge of lines and measurements. |
| + | *Multimedia resources: Laptop | ||
*Website interactives/ links/ / Geogebra Applets : | *Website interactives/ links/ / Geogebra Applets : | ||
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enableRightClick="false" showAlgebraInput="false" enableShiftDragZoom="true" showMenuBar="false" showToolBar="false" showToolBarHelp="true" enableLabelDrags="false" showResetIcon="true" /> | ||
| − | *Process | + | *Process: |
| + | # The teacher can project the geogebra file and explain about the formula for area and perimeter of a square. | ||
| + | *Developmental Questions: | ||
| + | # | ||
*Evaluation | *Evaluation | ||
*Question Corner | *Question Corner | ||
Revision as of 07:11, 17 December 2013
| Philosophy of Mathematics |
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Concept Map
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Textbook
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Additional Information
Useful websites
Reference Books
Teaching Outlines
Concept #1. Introduction to a square and its charactristics
Learning objectives
- A square is a 4-sided regular polygon with all sides equal and all internal angles 90°
- A square is the only regular quadrilateral.
- It can also be considered as a special rectangle in which two of its adjacent sides are equal.
- It encompasses the following properties:
- All four sides are congruent
- Opposite sides are parallel
- The diagonals bisect each other at right angles
- The diagonals are congruent.
Activity No #
- Estimated Time:15 minutes.
- Materials/ Resources needed: Geogebra file, laptop, projector and a pointer.
- Prerequisites/Instructions, if any:
- The students should what are plane figures.
- Multimedia resources: Laptop.
- Website interactives/ links/ / Geogebra Applets :This geogebra is from the website : http://www.geogebratube.org/material/show/id/2474
- Process:
- The teacher can project the geogebra file, move the red dot and ask the students if it still is a square.
- Let them reason out for the answers.
- Developmental Questions:
- what figures do you see ?
- On moving the red dot, what figure is it now ?
- Is it still a square ?
- Why so you think so ?
- Evaluation:
- What are the properties of a square ?
- Question corner:
- Is rectangle a square ?
- Is parallelogram a square ?
- Are all squares parallelograms ?
- Can a square be considered as a type of kite ?
- Differentiate a square and a rhombus.
Concept #2. Measurements in a square.
Learning objectives
- The students learn that the four sides of a square are equal.
- They understand that the adjacent sides are at right angles with each other.
- The area of a square is side x side sq units.
- The perimeter of a square is the length of distance around its boumdary which is 4 times its side.
Notes for teachers
Activity No #
- Estimated Time:
20 minutes.
- Materials/ Resources needed:
- Laptop, geogebra file, projector and a pointer.
- Prerequisites/Instructions, if any
- The students should have prior knowledge of lines and measurements.
- Multimedia resources: Laptop
- Website interactives/ links/ / Geogebra Applets :
- Process:
- The teacher can project the geogebra file and explain about the formula for area and perimeter of a square.
- Developmental Questions:
- Evaluation
- Question Corner
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ / Geogebra Applets
- Process/ Developmental Questions
- Evaluation
- Question Corner
Concept # 3. Construction of a square.
Learning objectives
Notes for teachers
Activity No #
- Estimated Time
- Materials/ Resources needed
- Prerequisites/Instructions, if any
- Multimedia resources
- Website interactives/ links/ / Geogebra Applets
- Process/ Developmental Questions
- Evaluation
- Question Corner
Hints for difficult problems
Project Ideas
Math Fun
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