Look at the triangle on the board. Count the nonstandard units around the figure to find the perimeter.
Perimeter = 15 units
100
List 3 different linear units of measurement and name an object you could measure with each unit.
Examples:
1. centimeter- measure an eraser
2. inch- measure a book
3. yard- measure a football field
100
Greg wants to put a fence around his square garden. It measures 7 feet on each side. How much fence material should he buy?
28 feet
100
Look at your square paper quadrilateral. Make an accurate estimate of its perimeter in centimeters.
Actual perimeter = 36 cm.
Estimate between 28 and 48 cm.
200
What is a quadrilateral?
A four sided shape
200
Look at the square drawn on grid paper. Pick a strategy (leap, line, number line, or add the sides) to find the perimeter.
Perimeter = 24 units.
200
Look at the triangle on the worksheet called "Geometry: Perimeter". What is the perimeter of this triangle?
Perimeter = 23 yards
200
The football field at the park down the street is in the shape of a rectangle. Two sides measure 4 yds., and the other two measure 2 yds. What is the total perimeter of the football field?
12 yds.
200
Look at the note card. Take out your ruler and measure its side lengths in inches. Write the total perimeter of the note card in inches.
20 inches
300
What does it mean to estimate?
make an educated guess based on prior knowledge
300
Look at your animal created out of square unit shapes. Pick a strategy (leap, line, number line, add the sides) to find its perimeter.
perimeter = 18 units
300
Look at the irregular polygon on the worksheet titled "Geometry: Perimeter".
Write a number sentence to show the perimeter of this shape.
3 + 2 + 4 + 1 + 7 + 3 = 20 meters
300
The gazebo in Emily’s backyard is in the shape of a pentagon. Each side of the pentagon measures 4 feet. What is the total perimeter of the gazebo?
20 feet
300
A square has one side length measuring 5 inches. What is the perimeter of this square?
Perimeter = 20 inches.
400
Write a definition of perimeter in your own words.
Perimeter is the total distance around a closed figure.
400
Look at the paper titled "The Real Estate Game". What is the perimeter of this 3x5 rectangle?
perimeter = 16 units
400
A rectangle has a length of 7 cm and a width of 2 cm. What is the total perimeter?
perimeter = 18 cm
400
The fence around a square pig pen is 12 yards long. What is the length of each side?
3 yards
400
Write or draw one real world example of perimeter.
Possible examples include a football field, fence around a garden, swimming pool, building, basketball court, etc.
500
What is a linear unit? Give some examples.
A linear unit is a unit of measurement of length. Examples include centimeter, inch, foot, yard.
500
Use your dot paper to draw a shape that has a total perimeter of 12 units.
Answers will vary
500
Look at the hexagon on your paper titled "Geometry: Perimeter". Write a multiplication number sentence to show the total perimeter of this hexagon.
3 x 6 = 18 in.
500
An equilateral triangle has a total perimeter of 21 yards. What is the length of each side?
7 yards
500
Measure the paper trapezoid in centimeters and write the total perimeter.