CM/MM
How many millimeters are in 1 centimeter?
Answer: 10 mm
How many meters are in 1 kilometer?
1000 m
What is perimeter?
Answer: The total distance around a shape
What is the name of the distance all the way around a shape.
Perimeter
What unit would you use to measure a pencil: cm or km?
Cm
Is a pencil closer to 15 cm, or 30 cm?
15 cm
The Length of a Door: km or m?
meter
Find the perimeter of a square with all sides of 5 cm.
Answer: 20 cm
You find the perimeter of an irregular shape by __________ all the side lengths.
adding
Is 1.4 m closer to 100 cm or 200 cm?
200 cm
Convert 9.2 cm to mm.
Answer: 92 mm
A Car Trip: km or m?
Km
A rectangle is 8 cm in length and 3 cm in width. What is the perimeter?
Answer: 22 cm
Lena traces an irregular shape with 6 sides: 2.5 m, 3.5 m, 4 m, 1 m, 3 m, and 5 m. What is the perimeter of the shape?
19 meters
Which is longer: 1 m or 95 cm?
Answer: 1 m
A pencil is 135 mm long. How many cm is that?
Answer: 13.5 cm
How many kilometers is 2500 meters?
2.5 km
What are two types of formulas used to measure perimeter? (hint: add, and multiply)
P = l + l + w + w
P = Each side x Number of sides
A playground has 5 sides with these lengths: 6 m, 4 m, 3 m, 5 m, and 2 m. What is the perimeter of the playground?
20 meters
Which is the best estimate for the height of a classroom door: 2 m, 20 cm, or 200 m?
2 m
Which is longer: 7 cm or 65 mm?
Answer: 7 cm (70 mm)
A walk is 4.75 km. How many meters is that?
4750 m
A rectangular garden is 12 meters long and 7 meters wide. What is the perimeter of the garden? SHOW YOUR WORK.
P = l + l + w + w
P = 12 + 12 + 7 + 7
P= 38 meters
A weird shaped garden has 7 sides. The first three sides are 4 m, 3.5 m, and 6 m. The last four sides are each 2.5 m long. What is the perimeter?
23.5 meters
Eli walked around an oddly shaped park with sides measuring 120 m, 85 m, 95 m, and one missing side. If the total perimeter was 420 meters, how long was the missing side?
120 meters