§5.6 Angles in Planes

C5 Lines and Angles
Mr. Fintelman (FNL)
Friday January 31st
2025

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This lesson contains 45 slides, with text slides.

time-iconLesson duration is: 135 min

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C5 Lines and Angles
Mr. Fintelman (FNL)
Friday January 31st
2025

Slide 1 - Slide

Mr. Fintelman (FNL)
Wednesday November 11th
2024

Date
Friday January 31st 2025
Paragraph
§5.6 Angles in Planes
Pages from the handbook
Pag. 217-219
Subject
Sum of angles in a triangle
Today is the day...

Slide 2 - Slide

I can already…
  1. … calculate angles in figures with intersecting lines.

Prior Knowledge

Slide 3 - Slide

Exercise 57 - Pag. 216 - Strategy

Slide 4 - Slide

Exercise 57 - Pag. 216

Slide 5 - Slide

After this lesson, I can…
  1. … calculate an angle in a triangle when the other two angles are known.

Goals

Slide 6 - Slide

Angles of a triangle
1. Draw a random triangle in the corner of your notebook.
2. Color the angles of your triangle.
3. Cut out the triangle with a pair of scissors.
4. Place the angles next to each other. What do you notice?

If you do not have any pair of scissors, then measure all the angles with your protractor and add them.
timer
2:00

Slide 7 - Slide

Angle sum of a triangle

Slide 8 - Slide

Exercise 59 - Pag. 218

Slide 9 - Slide

Exercise 59 - Pag. 218

Slide 10 - Slide

Exercise 62 - Pag. 218

Slide 11 - Slide

Exercise 62 - Pag. 218

Slide 12 - Slide

Worktime
You work neatly by…
  1. … reading the theory (again) before asking a question to your classmate.
  2. raising a hand before asking a question to the teacher.
  3. … if the teacher is busy, remember your question and move on.
Help:
Exercises: 59, 60, 62, 63, 64 and 65.
Assignments:
Pages: 217-219
Exercises: 59, 60, 62, 63, 64 and 65.

Assignments from the planning of §5.6:
Extra:
Exercises: 61 and 66.

Slide 13 - Slide

Now I can…
  1. … calculate an angle in a triangle when the other two angles are known.
Reflection

Slide 14 - Slide

Exercise 64 - Pag. 219

Slide 15 - Slide

Exercise 64 - Pag. 219

Slide 16 - Slide

Mr. Fintelman (FNL)
Wednesday November 11th
2024

Date
Monday February 3rd 2025
Paragraph
§5.6 Angles in Planes
Pages from the handbook
Pag. 220-221
Subject
Sum of angles in a quadrilateral
Today is the day...

Slide 17 - Slide

I can already…
  1. … calculate an angle in a triangle when the other two angles are known.

Prior Knowledge

Slide 18 - Slide

Exercise 66 - Pag. 219 - Strategy

Slide 19 - Slide

Exercise 66 - Pag. 219

Slide 20 - Slide

After this lesson, I can…
  1. … calculate an angle in a quadrilateral when the other three angles are known.

Goals

Slide 21 - Slide

Remember this?
Task: Draw a quadrilateral.
How: Grab a pencil and draw in your notebook.
Help: Complete independently.
Time: 1 minute.
Outcome: You will share and compare the quadrilateral with your classmates.
Done: Wait until the time is up.
timer
1:00

Slide 22 - Slide

It is not some child's play anymore

Slide 23 - Slide

Angles of Quadrilaterals

Slide 24 - Slide

Exercise 70 - Pag. 220

Slide 25 - Slide

Exercise 70 - Pag. 220

Slide 26 - Slide

Worktime
You work neatly by…
  1. … reading the theory (again) before asking a question to your classmate.
  2. raising a hand before asking a question to the teacher.
  3. … if the teacher is busy, remember your question and move on.
Help:
Exercises: 59, 60, 62, 63, 64, 65, 68, 70 and 71.
Assignments:
Pages: 217-220
Exercises: 59, 60, 62, 63, 64, 65, 68, 70 and 71.

Assignments from the planning of §5.6:
Extra:
Exercises: 61 and 66.

Slide 27 - Slide

Now I can…
  1. … calculate an angle in a quadrilateral when the other three angles are known.
Reflection

Slide 28 - Slide

Exercise 71 - Pag. 220

Slide 29 - Slide

Exercise 71 - Pag. 220

Slide 30 - Slide

Mr. Fintelman (FNL)
Wednesday November 11th
2024

Date
Wednesday February 5th 2025
Paragraph
§5.6 Angles in Planes
Pages from the handbook
Pag. 221-223
Subject
Figures with multiple triangles
Today is the day...

Slide 31 - Slide

I can already…
  1. … calculate an angle in a quadrilateral when the other three angles are known.

Prior Knowledge

Slide 32 - Slide

Exercise 68 - Pag. 220

Slide 33 - Slide

Exercise 68 - Pag. 220

Slide 34 - Slide

After this lesson, I can…
  1. … calculate angles from figures with multiple triangles.

Goals

Slide 35 - Slide

What rules for calculating angles do you know?

Slide 36 - Slide

Exercise 72 - Pag. 221

Slide 37 - Slide

Exercise 72 - Pag. 221

Slide 38 - Slide

Calculating angles

Slide 39 - Slide

Exercise 75 - Pag. 222

Slide 40 - Slide

Exercise 75 - Pag. 222

Slide 41 - Slide

Worktime
You work neatly by…
  1. … reading the theory (again) before asking a question to your classmate.
  2. raising a hand before asking a question to the teacher.
  3. … if the teacher is busy, remember your question and move on.
Help:
Exercises: 59, 60, 62, 63, 64, 65, 68, 70, 71, 72, 74, 75, 76 and 78.
Assignments:
Pages: 217-223
Exercises: 59, 60, 62, 63, 64, 65, 68, 70, 71, 72, 74, 75, 76 and 78.

Assignments from the planning of §5.6:
Extra:
Exercises: 61, 66, 77 and 79.

Slide 42 - Slide

Now I can…
  1. … calculate an angle in a quadrilateral when the other three angles are known.
  2. … calculate an angle in a quadrilateral when the other three angles are known.
  3. … calculate angles from figures with multiple triangles.
Reflection

Slide 43 - Slide

Exercise 78 - Pag. 223

Slide 44 - Slide

Exercise 78 - Pag. 223

Slide 45 - Slide