Perimeter
Formulas
Previous Units
Area of Triangles
Division
100
Find the perimeter of a polygon that is 5m by 2m. Write the number model and solve for the perimeter :)
5+5+2+2=14m
100
How do you find the perimeter of a polygon?
You add up all of the sides and include the units given
100

The chance that you roll an even number when rolling a regular dice.

What is 2/6 or 1/3

100
base: 7 height: 10
area = 35
100
Divide in any way you prefer. Interpret any remainder :) Diana has 384 erasers. If she shares them among 28 friends, how many erasers does each friend get?
13 erasers each, r20, ignore them
200
Find the perimeter of a polygon that is 17cm by 3cm. Write the number model and solve for the perimeter :)
17+17+3+3=40cm
200
Area of a square?
BxH=A
200

You have a regular deck of playing cards in a bag. You put your hand in and grab a card without looking. What are the chances (fraction) that you pull out a red card?

26/52

200
base: 2cm height: 1cm
a=1 square cm
200
Rebecca has 155 bananas. If she shares them among 22 friends, how many bananas does each friend get?
7 bananas, r1, ignore it
300
Find the perimeter of a polygon that is 15in by 12in. Write the number model and solve for the perimeter :)
15+15+12+12=54in
300
Area of a parallelogram?
BxH=A
300

You have a regular deck of playing cards in a bag. You put your hand in and grab a card without looking. What are the chances (fraction) that you pull out a 7?

4/52

300
base: 6ft height: 3ft
a=9 square feet
300
There are 89 students in the class and 325 dollars need to be raised for a grade wide project. If the money is divided equally among the students, how many does each student need to raise?
Each student needs to raise $4. 325/89=$3.65, round up
400
Find the perimeter of a polygon that is 7m by 2m by 3m. Write the number model and solve for the perimeter :)
7+7+2+2+3+3=24m
400
Area of a triangle?
(BxH)/2=A of a triangle
400

2/8 + 3/12

2/4 or 1/2

400
base: 17in height: 10in
a=85 square inches
400
Regan had 52 plastic cups. She arranged them in stacks, with 5 cups in each stack. How many cups were in the final stack?
2 cups
500
Find the perimeter of an equaliteral triangle that has one side containing 10 in. Write the number model and solve for the perimeter :)
10+10+10=30in
500
How do you solve for the area of an irregular figure on grid paper?
You count the total boxes that the shape occupies.
500

3/5 + 7/8

59/40 or 1 19/40

500
base: 7mm height: 5mm
a=17.5 square mm
500
At the fair, Camille has 93 ride tickets. Each ride on the Ferris wheel costs 4 tickets. After riding the Ferris wheel as many times as possible, how many tickets will Camille have left?
1 ticket
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