Post on 14-Jan-2016
Mission #103.7B Determine the perimeter of a polygon or a missing
length when given perimeter and remaining side lengths in problems.
1. The side lengths of the Mauna Loa picnic area are shown below.
What is the perimeter of the picnic area in feet?36 feet
23 feet
Mission #10 - WARM UP
2. Emma brought a blanket with her so she could lay it out on the grass. Use the ruler on the Mathematics Chart to measure the sides of the blanket in inches.
What is the perimeter of Emma’s blanket to the nearest centimeter?
Mission #10 - WARM UP
1. The dimensions of two cabanas are shown below.
Which statement about the cabanas is true?
16 feet
12 feet
18 feet
21 feet
A. The perimeter of Cabana A is 9 feet less than the perimeter of Cabana B.B. The perimeter of Cabana A is 11 feet less than the perimeter of Cabana B.C. The perimeter of Cabana A is 33 feet less than the perimeter of Cabana B.D. The perimeter of Cabana A is 22 feet less than the perimeter of Cabana B.
Cabana ACabana B
Mission #10 - EXPLORATION
2. Hawaiian Falls has decided to put a fence around the perimeter of the new playground. How much fencing will they need to go all the way around the outside of the playground?
15 feet
12 feet
10 feet
23 feet
Mission #10 - EXPLORATION
3. The number of steps it takes Graham to walk around the kiddie pool is shown below.
If Graham takes a total of 44 steps, has he walked completely around the kiddie pool?
12 steps
12 steps
8 steps8 steps
Mission #10 - EXPLORATION
A. Yes, because 8 + 12 = 20 and 20 < 44B. No, because 8 x 12 = 96 and 96 > 44C. Yes, because 8 + 12 + 8 + 12 = 40 and 40 < 44D. No, because 12 x 4 = 48 and 48 > 44
If Graham takes a total of 44 steps, has he walked completely around the kiddie pool?
4. The side lengths of the Hawaiian Halfpipe are shown below.
What is the perimeter of the slide in feet?
52 feet
12 feet16 feet
30 feet
39 feet
12 feet16 feet
30 feet
Mission #10 - EXPLORATION
In the space in your journal, share what you learned today. Include these words:
perimeter
polygon
length
Mission #10 – STAAR Journal