We think you have liked this presentation. If you wish to download it, please recommend it to your friends in any social system. Share buttons are a little bit lower. Thank you!
Presentation is loading. Please wait.
Published byWyatt McDonald
Modified over 3 years ago
5th Grade Miss Cameron’s ClassCIRCUMFERENCE 5th Grade Miss Cameron’s Class
The circumference of a circle isThe distance around a circle Hint: Circumference remember circle around. Circumference is a circle’s perimeter.
The diameter is the distance across a circle through the center.
Hint: It is ½ the diameterVocabulary. The radius is the distance from the center of a circle to any point on a circle. Hint: It is ½ the diameter
We use Pi as the measurement to help us find the circumference of a circle.Pi, not Pie!
Two formulas are used in finding the circumference of a circle.WHEN THE CIRCLE HAS A DIAMETER MEASUREMENT, USE THE FOLLOWING FORMULA. Circumference = d 4in. 3.14 x 4in. 12.6in.
HINT: You may round to the nearest tenthWhen the radius of a circle is given, the following formula should be used. Circumference = 2r 2 x 5cm x 3.14 31.4cm HINT: You may round to the nearest tenth
Tell me what formula would be used to solve the next five problems.NOW…Let’s have some fun. Tell me what formula would be used to solve the next five problems.
3in C = 2 x r x 3.14
8ft C = 3.14 d
122mm C = 2 x r x 3.14
17.5 cm C = 3.14 x d
122.5mm C = 2 x r x 3.14
Now that we have determined the correct formula for each, let’s work the problems.
The answer is: 18.8in 3in C = 2 x 3.14 x r
8ft C = 3.14 d The answer is: 25.1ft
122mm C = 2 x 3.14 x d The answer is: mm
17.5 cm C = 3.14 x d The answer is: 55cm
122.5mm C = 2 x 3.14 x r The answer is: 76,930mm
The amount of space inside.Area of a circle= The amount of space inside. r ² 6 m
Another formula ½ d x 12 ft
Find area 9 ft
Find area 15 mm
Find area 13 cm
Find area 19 ft
Circles rap Circles, those tricky circles! Pow! I said those circles.By Miss Cameron Circles, those tricky circles! Pow! I said those circles. Those tricky circles! Pow!
Circumference is perimeter; it’s all the sameThey just try to trick you with a name game. Circumference is diameter, the length across Multiplied by pi So don’t get lost
Rap with me now, & please don’t slumber. Pi is 3.14, a funny number. Rap with me now, & please don’t slumber. Area for a circle is radius squared. So half the diameter and make it squared.
Well you know what to do, so do it now. Find circumference and area of a circle. POW! Circles, those tricky circles. POW! I said those circles, those tricky circles. POW!
6 th Grade SPI: Calculate with circumferences and areas of circles.
Areas of Parallelograms and Trapezoids. A parallelogram has two sets of parallel lines.
Find the distance between the points below (9, 0) and (5,2) Find the length of the hypotenuse if the length of the legs are 4 and 2.
Chapter 4 L4-5 Notes: Perimeter. Vocabulary The distance around any closed figure is called its perimeter. P for “Plus” all Sides.
Warm-Up Multiply. 1.89 x 97 x 76 x 34 4.38 x 28.
Warm-Up Find the area: Circumference and Area Circles.
investigate the relationship between the diameter and circumference of a circle.
Circles. Parts of a Circle Center The diameter is the distance across the circle through the center The radius is the distance to the center point.
Finding Circumference for 4 th and 5 th Grade By Andrea Klee.
Area and Circumference of Circles. Diameter Circumference (C) - distance around a circle (similar to perimeter) If you measure the circumference and divide.
Circumference Lesson #33. What is Circumference? The distance around the outside of a circle is called the circumference (essentially, it is the perimeter.
Math Circumference of Circles & Area of Circles. Vocabulary A circle is the set of all points in a plane that are the same distance from a given point,
Follow us on Facebook and The Enlightened Elephant Blog to receive, updates, links to products and sale information!
Definition: A circle is the set of all points on a plane that is a fixed distance from the center.
Mrs. Planavsky 4 th Grade. Find the circumference of a circle Find the measurement of a diameter of the circle.
Circles Review 3 rd Grade Geometry. What is the diameter of a circle?
Do Now:. Circumference What is circumference? Circumference is the distance around a circle.
Circumference and area of circles Pick up your calculator for today’s notes.
Perimeter, Circumference and Area. Perimeter and Circumference Perimeter : The distance around a geometric figure. Circumference: The distance around.
Area and Circumference of Circles. Circumference of a Circle Formula to MEMORIZE!!!! OR.
Objective: Solve equations using area circumference, diameter, and radius.
Circumference & Area of a Circle. Definitions Circumference: The distance around a circle. Diameter (d): a line that passes through the center of a circle.
The area of the circle is about 227 m 2. COURSE 2 LESSON 8-4 Find the area of the circle to the nearest unit. = (8.5) 2 Substitute 8.5 for the radius.
Circles & Circumference Standard Math The circumference is the distance around a circle. Circumference Circumference is the perimeter of circles. Radius.
By: Kay McInnis. Diameter DIAMETER is the distance across a circle passing through the center point.
Chapter 10 Lesson 1: Circles and Circumference Objective: Learn to find the circumference of circles.
FINDING THE AREA OF CIRCLES 9.2C. RADIUS VS. DIAMETER A RADIUS is the distance from the center of a circle to any point on the outside! A DIAMETER is.
Perimeter The distance around the outside of a shape.
Main Idea/Vocabulary circle center radius chord diameter Find the circumference and area of circles. circumference pi.
EQ: How do you find the circumference of a circle? Lesson 4-6 Circumference pp Vocabulary to watch out for this lesson: Circle Center Diameter.
Circumference & Area of Circles Unit 5-3. Circumference Formula for Circumference: ** r is the radius ** ** 2r = d. d is the diameter. ** **Circumference.
By Renikki Alexander IDT 7062 Let’s Listen to the Circle Song "πr 2 sounds like area to me and when I need circumference I'll use πd."
Lesson 8.7 Concept: How to find the circumference of a circle. Guidelines: *The diameter of a circle extends from one side of the circle to the other.
How to Find the Area of a Circle by : Rachel Sorenson.
6.7 Circumference & Area Notes. Circumference The distance around a circle. Do you remember the formula??? C = 2 r or C = d * Always use the button.
SPI I CAN identify parts of a circle. I CAN find the circumference and area of a circle.
Hannah D.. Radius is half the way across the circle Diameter is the whole way across the circle.
Radius – The distance from the center of the circle to the endpoint.
Splash Screen Example 9-2b Objective Find the circumference of circles.
CIRCLES AND CIRCUMFERENCE. CONTINUATION OF PI DAY In every circle, the ratio of the circumference to the diameter is equal to …… The Greek letter.
Holt McDougal Geometry 1-5 Using Formulas in Geometry 1-5 Using Formulas in Geometry Holt Geometry Warm Up Warm Up Lesson Presentation Lesson Presentation.
AREA AND PERIMETER FORMULA TUTORIAL QUIZ. FORMULA MENU Area of Square Area of Square Area of a Circle Area of a Circle Radius of a Circle Radius.
Perimeter Rectangles, Squares, and Triangles Perimeter Measures the distance around the edge of any flat object. To find the perimeter of any figure,
Surface Area and Volume of Spheres A sphere is the set of all points in space that are the same distance from a point, the center of the sphere.
Prime Time Circle the seven prime numbers that, when added together, equal 75. 3, 11, 14, 13, 5, 17, 12, 6, 19, 23, 7, 9 Remember a prime number is a number.
By: Tracy Balow & Kristen Moorhouse Pizza, Pizza!
1.7 - Find Perimeter, Circumference, and Area. Perimeter: Length around a shape. Measured in u cm, in, ft, yd.
Perimeter and Area Please view this tutorial and answer the follow-up questions on loose leaf to turn in to your teacher.
Holt McDougal Geometry 1-5 Using Formulas in Geometry Apply formulas for perimeter, area, and circumference. Objective.
© 2017 SlidePlayer.com Inc. All rights reserved.