CM/MM
MM/KM
PERIMETER
Perimeter of Irregular Shapes
Measurement Mystery
100

How many millimeters are in 1 centimeter?

Answer: 10 mm

100

How many meters are in 1 kilometer?

1000 m

100

What is perimeter?

Answer: The total distance around a shape

100

What is the name of the distance all the way around a shape. 


Perimeter

100

What unit would you use to measure a pencil: cm or km?

Cm

200

Is a pencil closer to 15 cm, or 30 cm?

15 cm

200

The Length of a Door: km or m?

meter

200

Find the perimeter of a square with all sides of 5 cm.

Answer: 20 cm

200

You find the perimeter of an irregular shape by  __________ all the side lengths.


adding

200

Is 1.4 m closer to 100 cm or 200 cm?

200 cm

300

Convert 9.2 cm to mm.

Answer: 92 mm

300

A Car Trip: km or m?

Km

300

A rectangle is 8 cm in length and 3 cm in width. What is the perimeter?

Answer: 22 cm

300

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

300

Which is longer: 1 m or 95 cm?

Answer: 1 m

400

A pencil is 135 mm long. How many cm is that?

Answer: 13.5 cm

400

How many kilometers is 2500 meters?

2.5 km

400

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

400

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

400

Which is the best estimate for the height of a classroom door: 2 m, 20 cm, or 200 m?

2 m

500

Which is longer: 7 cm or 65 mm?

Answer: 7 cm (70 mm)

500

A walk is 4.75 km. How many meters is that?

4750 m

500

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

500

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


500

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