Perimeter Basics
What is perimeter?
The distance around a shape
What does area measure?
The space inside a shape
A rectangle has sides of 2 ft and 3 ft. What is the perimeter?
10 ft
6 x 4
24
A square has a perimeter of 16. What is one side length?
4
Find the perimeter: rectangle with sides of 4 in. and 6 in.
20 units
Find the area of a rectangle with sides 3 and 5
15 square units
Kendra's project has side lengths of 9 cm, 2 cm, 6 cm, 4 cm, 4 cm, 5 cm. What is the perimeter?
30 cm.
8 x 7
56
A rectangle has a perimeter of 36. One side if 10. What is the other side?
8
A square has a side length of 5. What is the perimeter?
20 units
Which has the greater area?
A: 4 x 4
B: 3 x 6
B: 3 x 6 = 18
A rectangle is 3 km long and 1 km wide. Lincoln rides around ti once. How far did he ride?
8 km
9 x 6
54
Which is greater:
The perimeter or area of a square with a side length of 5
Area
Find the missing number:
P = ( 2 x 8 ) + ( 2 x __ ) = 28
6
True of False: Two shapes can have the same perimeter but different areas
True
Lincoln rides around the same park twice ( 3 km by 1 km). How far did he ride?
16 km
12 x 3
36
Find the perimeter:
Sides = 12, 12, 8, 6, 4, 6
48
A shape has sides 3, 3, 4, 4, and 2. What is the perimeter?
16 units
Which has the greater perimeter?
A: 2 x 10
B: 4 x 6
A: 2 + 2 +10 +10 = 24 or ( 2 x 2 ) + ( 2 x 10 ) = 24
A shape has a perimeter of 54. The known sides are 15, 5, 11, 7, 12. Find the missing side.
4
7 x 8 + 10
66
Create a rectangle with a perimeter of 20 inches
Possibilities: 5, 4 and 6, 3 and 7, 2 and 8, 1 and 9