Download - Kungfu math p4 slide20 (lines)pdf
![Page 1: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/1.jpg)
• Drawing lines with set square and ruler
What will we learn today?
Geometry Lines
![Page 2: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/2.jpg)
Let's recap!
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Perpendicular Lines
Definition:
Lines that are at right angles (90°) to each other.
![Page 4: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/4.jpg)
Perpendicular
It means at right angles (90°) to.
How do we label perpendicular lines?
We can draw a little box in the corner.
The little box drawn in the corner, means "at right angles"
![Page 5: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/5.jpg)
Parallel Lines
Definition:
• Lines are parallel if they are always the same distance apart and will never meet.
• They also point in the same direction.
In conclusion, parallel lines are Always the same distance apart and never touching.
![Page 6: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/6.jpg)
Let's practise
line drawing.
![Page 7: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/7.jpg)
Try this out!
![Page 8: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/8.jpg)
Spot the key words
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Understand the question requirement
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Prepare the instrument
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Let’s do it step by step 1. Place the set square as shown.
![Page 12: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/12.jpg)
Let’s do it step by step 2. Place the ruler as shown.
![Page 13: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/13.jpg)
Let’s do it step by step 3. Slide the set square along the ruler.
![Page 14: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/14.jpg)
Let’s do it step by step 4. Make sure the set square touches the point C.
![Page 15: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/15.jpg)
Let’s do it step by step 5. Draw a line passing through point C.
![Page 16: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/16.jpg)
Let’s do it step by step 5. Draw a line passing through point C.
![Page 17: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/17.jpg)
Are you ready to try out the questions?
![Page 18: Kungfu math p4 slide20 (lines)pdf](https://reader031.vdocument.in/reader031/viewer/2022020115/54536f46af79597c338b479c/html5/thumbnails/18.jpg)
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