LO: To measure and calculate perimeters of polygons Some of the clip art used in this presentation is licensed from the Clip Art Gallery on DiscoverySchool.comDiscoverySchool.com.

Slides:

Advertisements

Similar presentations

Honors Geometry Section 5.1 Perimeter and Area

Advertisements

Pitch Perimeters WALT : calculate the perimeter of rectangles.

Review: Area and Perimeter. Definitions 1. What is a polygon? 2. What does perimeter mean? 3. What does area mean?

Perimeters and Areas of Rectangles

Year 8 Mathematics Area and Perimeter

Perimeter. Learning Goals 0 LG: Develop and apply a formula for determining the perimeter of polygons 0 Kid Friendly: Be able to find the perimeter of.

Extension. Calculate the area and perimeter of each of these shapes. 5cm 9cm 3cm 2cm 10cm 7cm 1cm 7cm 2cm 12cm 13cm

Finding the Area of a Rectangle. Area of a Rectangle WALT: To calculate areas of rectanglesTo calculate areas of rectangles To calculate areas of polygons.

Objective: Find the area of different quadrilaterals Level 6.

Perimeter & Area Lessons 19 & 20.

Module 7 Lesson 12 Measure side lengths in whole number units to determine the perimeter of polygons. Perimeter: The distance around a two-dimensional.

 What is Algebraic Expressions and how do I solve them?

Changing Dimensions What’s the effect on Perimeter and Area??

Perimeter of Rectangles

Perimeter and Area of Rectangles, Squares, and Triangles

Areas and Perimeter of Rectangles, Square, Triangles and Circles

By.  This is a square, how do we find the perimeter?. The square is 6cm in length and 6cm in width.

PERIMETER & AREA. The distance around any closed figure.

GET READY Questions will run automatically. Set 7 Question 1 Find: – 41.2.

Perimeter LESSON 19 POWER UP CPAGE 128. Perimeter The distance around the outside Find any missing sides Add all the sides together 6 cm 5 cm.

Perimeter is the distance around an object. If you started at one point and went all the way around until you got to where you started, the perimeter.

8-6 Perimeter The perimeter of a figure is the distance around it. To find the perimeter you can add the lengths of the sides.

Measurement By Rosi Barron Perimeter

1 MeasuringDevices Press Ctrl-A ©2009 – Not to be sold/Free to use Stage 4 - Year 7.

Perimeter & Area. Menu Definition of perimeter Practice perimeter Definition of area Practice area.

What are parallel lines? Angles on Parallel Lines WALT: understand and use angles on parallel lines to solve problems. S1: Discuss with a partner: 1.What.

Perimeter, Circumference and Area. Perimeter and Circumference Perimeter : The distance around a geometric figure. Circumference: The distance around.

Year 7: Length and Area Perimeter The perimeter of a shape is the total distance around the edge of a shape. Perimeter is measured in cm A regular shape.

7-1C Areas and Perimeters of Similar Polygons What is the relationship between the perimeter ratios of similar figures and their similarity ratio? What.

Perimeter & Area. Today’s Objectives:  Learn what it means to find perimeter and area.  Practice finding or estimating the perimeter and area.

9.1 PERIMETER AND AREA OF PARALLELOGRAMS Objective: Students find the perimeter and area of parallelograms.

Calculating the Perimeter & Area of a Rectangle For more maths help & free games related to this, visit:

Rectangles, Parallelograms and Squares Area and Perimeter.

THE PERIMETER 100 GAME Work out the perimeter around the edge of the shapes Point to the answer before your opponent to win!

PERIMETERS What is the Perimeter of a shape. What is the Perimeter of this rectangle? What is the Perimeter of this rectangle? 5cm 15cm.

Q. What do we mean by finding the perimeter of a shape? Q. What strategies might you use for calculating the perimeter of a rectangle?

Year 6 Maths Mastery Use Simple Formulae.

LENGTH and PERIMETER.

simplify radical expressions involving addition and subtraction.

Perimeter and Area with Polynomial Expressions

Perimeter Formula.

WALT: Measure and calculate the perimeter of shapes.

Year 5 Block 5-Perimeter and Area

LI: to calculate the perimeter of regular polygons.

Perimeter and Area of Rectangles on the Coordinate Plane

Area – Perimeter - Volume

Area of Polygons TeacherTwins©2015.

Area and Perimeter (P3) Definition:

Multiplication as arrays

two-dimensional shape.

Constructing Equations

Area of a Composite Calculate the area of this shape Total Area =

Area of Polygons TeacherTwins©2015.

Compound Area Compound area is where a shape can be made up of other shapes. The area of a compound shape can be found by calculating the area of the shapes.

Area and Perimeter Review

Adding and Subtracting Radicals

1.5 Measurement AS

LO: To measure and calculate perimeters of polygons

Substitution 3..

Perimeters of Polygons

Finding the Area of a Rectangle

Presentation transcript:

LO: To measure and calculate perimeters of polygons Some of the clip art used in this presentation is licensed from the Clip Art Gallery on DiscoverySchool.comDiscoverySchool.com

Talk Partners’ What are polygons? How many types can you list?

Look at this ‘L’ shape: How would you calculate the distance around this shape? What is the correct mathematical term for this?

Perimeter When we measure the distance around a shape, we call it the perimeter. We measure the perimeter using the length and breadth measurements

The perimeter is found by adding up all the length and breadth measurements Length Breadth

Can you find the perimeter for this shape? 12 cm 5cm

Answer Add up all the length and breadth measurements: 12cm + 12cm + 5cm + 5cm = 34cm!

We can write this in another way: “Twice the length plus twice the breadth” This is often written as:2 X l + 2 X b Can you tell me why?

When calculating the perimeter of a rectangle do we need to measure all the side? Talk Partners’ about your ideas and be ready to feedback to class!

Can you think of any other shapes where you would not need to measure every side in order to work out the perimeter? Can you express the perimeter of these shapes in words and in letters?

CHALLENGE: Can you find the perimeter for this shape? 7cm7cm 7cm7cm 5cm 3cm3cm 3cm3cm 3cm3cm 3cm3cm 3cm

How did you work out the answer? Can you express this perimeter in words and letters?