1. Get out your STAAR Chart
01/24
Agenda
EQ:
Can I find the circumference of a circle?
Homework:
Skills HW 17 due 1/26
Calendar:
Test – 02/06
I need:
Pencil
Pick up (1)
Get out your STAAR Chart

2. Circumference of a Circle
Circumference is the distance ____________________________ a circle.
_______________________ is the distance across the circle.
______________________ is half the distance across the circle.
______, called _______, is approximately equal to ____________.

3. Circumference Formulas

4. Example #1
Find the circumference of the circle.

5. Example #2
Find the circumference of the circle.

6. Example #3

7. Example #4

8. Example #5
Amanda’s mother wants to trim her circular table cloth with beads. If the radius of the table is 9 ¾ feet, how much beading will she need to trim the tablecloth?

9. 01/25 I need: Pencil Pick up (1) Homework: Calendar: Agenda EQ:
Can I find the area of a circle?
Homework:
Skills HW 17 due 1/26
Calendar:
Test – 02/06
I need:
Pencil
Pick up (1)

10. Area of a Circle
Area is the amount of ________________ a circle covers or takes up.
_______________________ is the distance across the circle.
______________________ is half the distance across the circle.
______, called _______, is approximately equal to ____________.

11. Area Formula
Remember __________________ means the number times _____________.

12. Example #1
Find the area of the circle.

13. Example #2
Find the area of the circle.

14. Example #3

15. Example #4
The most popular pizza at Pavone’s Pizza is the 10-inch personal pizza with three toppings. What is the area of a pizza with a diameter of 10 inches?

16. Example #5
Mr. Rives’ rotating sprinkler waters his lawn up to a radius of 7 feet. What is the maximum number of square feet of lawn Mr. Rives can expect two sprinklers to cover?

17. 01/26 I need: Pencil Pickup (1) Notebook Paper Turn in Skills HW 17
Agenda
EQ:
Can I find the circumference and area of a circle?
Homework:
Circle Maze – due 1/29
Calendar:
Test – 02/06
I need:
Pencil
Pickup (1)
Notebook Paper
Turn in Skills HW 17

18. Circumference and Area Maze
You may work with a partner
You both must show all work including the formula (make your work look just like your notes)
Homework if you don’t finish
You should do a total of 13 problems

19. 01/29 I need: Pencil Turn in Circle Maze Pickup (1) Homework:
Agenda
EQ:
Can I find the circumference and area of a circle?
Homework:
Skills HW 18 – due 2/2
Calendar:
Test – 02/06
I need:
Pencil
Turn in Circle Maze
Pickup (1)

20. Working Backwards
What is the circumference of a circle that has an area of square inches?
What is the area of a circle that has a circumference of feet?

21. Task Cards-Work with partner – show all work
Numbers 1-4 – You must do 3
Numbers 5-8 – You must do 3
Numbers 9-12 – You must do 2 and 1 of them has to be measuring
Numbers – You must do 2
Numbers – You must do 2 and 1 of them has to be measuring
Numbers – You must do 2
Numbers – You must do 3
Numbers – You must do 2
Numbers – You must do 2
Numbers – You must do 3

22. Activity from yesterday
01/30
Agenda
EQ:
Can I find the circumference and area of a circle?
Homework:
Skills HW 18 – due 2/2
Calendar:
Test – 02/06
I need:
Pencil
Activity from yesterday

23. Task Cards-Work with partner – show all work
Numbers 1-4 – You must do 3
Numbers 5-8 – You must do 3
Numbers 9-12 – You must do 2 and 1 of them has to be measuring
Numbers – You must do 2
Numbers – You must do 2 and 1 of them has to be measuring
Numbers – You must do 2
Numbers – You must do 3
Numbers – You must do 2
Numbers – You must do 2
Numbers – You must do 3