§2.4 Median and Altitude

C2 Distance and Area
Mr. Fintelman (FNL)
Wednesday October 23rd
2024

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This lesson contains 15 slides, with text slides.

time-iconLesson duration is: 90 min

Items in this lesson

C2 Distance and Area
Mr. Fintelman (FNL)
Wednesday October 23rd
2024

Slide 1 - Slide

Date
Wednesday October 23rd 2024
Paragraph
§2.4 Median and Altitude
Pages from the handbook
Pag. 68-71
Subject
Median and altitude
Today is the day...

Slide 2 - Slide

I can already…
  1. … draw angle bisectors.
  2. … draw perpendicular bisectors.

Prior Knowledge

Slide 3 - Slide

What is a perpendicular bisector?

Slide 4 - Slide

What is an angle bisector?

Slide 5 - Slide

After this lesson, I can...
  1. … draw medians in a triangle.
  2. … draw altitudes in a triangle.

Goals

Slide 6 - Slide

What is a median?

Slide 7 - Slide

Drawing medians
  1. Draw a random triangle ABC.
  2. Draw the three medians.
Example:
timer
1:30

Slide 8 - Slide

Draw a triangle with a given median - Pag. 69

Slide 9 - Slide

Draw a triangle with a given median - Pag. 69

Slide 10 - Slide

Sketch your triangle
pag. -

Slide 11 - Slide

Altitudes

Slide 12 - Slide

Drawing Altitudes
  1. Draw a random obtuse triangle ABC.
  2. Draw all three altitudes.
Example:
timer
2:00

Slide 13 - Slide

Worktime
  • You work neatly by…
  • … reading the theory (again) before asking a question to your classmate.
  • raising a hand before asking a question to the teacher.
  • … if the teacher is busy, remember your question and move on.
Help:
Exercises: 44, 45, 46, 49, 50 and 52.
Assignments:
Pages: 68-71
Exercises: 44, 45, 46, 49, 50 and 52.
Assignments from the planning of WEEK 1:
Extra:
Exercises: 47 and 53

Slide 14 - Slide

Now I can...
  1. … draw medians in a triangle.
  2. … draw altitudes in a triangle.
Reflection

Slide 15 - Slide