§7.3 The Circle

C7 Measuring
Mr. Fintelman (FNL)
Wednesday May 7th
2025

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C7 Measuring
Mr. Fintelman (FNL)
Wednesday May 7th
2025

Slide 1 - Diapositive

Mr. Fintelman (FNL)
Wednesday November 11th
2024

Date
Wednesday May 7th 2025
Paragraph
§7.3 The Circle
Pages from the handbook
Pag. 71-73
Subject
The circumference of a circle
Today is the day...

Slide 2 - Diapositive

I can already…
  1. … recognize circles and name the properties.

Prior Knowledge

Slide 3 - Diapositive

Properties of a circle

Slide 4 - Diapositive

After this lesson, I can…
  1. … calculate the circumference of a circle.

Goals

Slide 5 - Diapositive

Let's find what     is...
π

Slide 6 - Diapositive

Slide 7 - Vidéo

Circumference is...
2πr

Slide 8 - Diapositive

Circumference circle

Slide 9 - Diapositive

Exercises 34 + 35 + 36 - Pag. 72
timer
5:00

Slide 10 - Diapositive

Exercises 38 + 39 - Pag. 73
timer
4:00

Slide 11 - Diapositive

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: 34, 35, 36, 37, 38, 39 and L6.
Assignments:
Pages: 71-73
Exercises: 34, 35, 36, 37, 38, 39 and L6.

Assignments from the planning of §7.3:
Extra:
Exercises: 40 + 41

Slide 12 - Diapositive

Now I can…
  1. … calculate the circumference of a circle.
Reflection

Slide 13 - Diapositive

Exercise L6 - Pag. 73

Slide 14 - Diapositive

Mr. Fintelman (FNL)
Wednesday November 11th
2024

Date
Thursday May 8th 2025
Paragraph
§7.3 The Circle
Pages from the handbook
Pag. 74-76
Subject
The area of a circle
Today is the day...

Slide 15 - Diapositive

I can already…
  1. … calculate the circumference of a circle.

Prior Knowledge

Slide 16 - Diapositive

Properties of a circle

Slide 17 - Diapositive

Circumference is...
2πr

Slide 18 - Diapositive

After this lesson, I can…
  1. … calculate the area of a circle.

Goals

Slide 19 - Diapositive

The    zza riddle - 2 Mediums vs 1 Large
π

Slide 20 - Diapositive

The    zza riddle - 2 Mediums vs 1 Large
2 Mediums are bigger:
1 Large is bigger:
π

Slide 21 - Diapositive

Slide 22 - Vidéo

The    zza riddle - 2 Mediums vs 1 Large
Let us use 
π
πr2
Area Medium=π152=
Area Larger=π222=
Area of two Medium Pizzas=

Slide 23 - Diapositive

The    zza riddle - 2 Mediums vs 1 Large
Let us use 







So... one large pizza is bigger than two medium pizzas.
π
πr2
Area Medium=π152=706.858...
Area Larger=π222=1520.530... cm2
Area of two Medium Pizzas=2706.858...=
=1413.716... cm2

Slide 24 - Diapositive

Area of a circle

Slide 25 - Diapositive

Exercises 43 + 44 + 45 - Pag. 75
timer
5:00

Slide 26 - Diapositive

Exercises 47 + 48 - Pag. 75
timer
5:00

Slide 27 - Diapositive

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: 34, 35, 36, 37, 38, 39, L6, 43, 44, 45, 47, 48 and L7.
Assignments:
Pages: 71-78
Exercises: 34, 35, 36, 37, 38, 39, L6, 43, 44, 45, 47, 48 and L7.

Assignments from the planning of §7.3:
Extra:
Exercises: 40, 41 and 49.

Slide 28 - Diapositive

Now I can…
  1. … calculate the circumference of a circle.
Reflection

Slide 29 - Diapositive

Exercise L7 - Pag. 73

Slide 30 - Diapositive