LESSON 28.1
Name
Explore Perimeter
Perimeter is the distance around a figure. You can find
the perimeter of rectangles constructed on dot paper by
counting the number of units on each side.
Find the perimeter of the rectangle:
The rectangle is 4 units long and
3 units wide.
To find the perimeter, add the
length of each side:
4 3 4 3 14 units
The perimeter of the rectangle is
14 units.
Find the perimeter of each figure.
1.
2.
1 2 1 2 6 units
25 2 3.
5
14 units
4.
2 3 2 3 10 units
6.
16 units
RW150 Reteach
7.
18 units
© Harcourt
5.
2 6 2 6 16 units
20 units
LESSON 28.1
Name
Explore Perimeter
Perimeter is the distance around a figure. You can find
the perimeter of rectangles constructed on dot paper by
counting the number of units on each side.
Find the perimeter of the rectangle:
The rectangle is 4 units long and
3 units wide.
To find the perimeter, add the
length of each side:
4 3 4 3 14 units
The perimeter of the rectangle is
14 units.
Find the perimeter of each figure.
1.
2.
1 2 1 2 6 units
25 2 3.
5
14 units
4.
2 3 2 3 10 units
6.
16 units
RW150 Reteach
7.
18 units
© Harcourt
5.
2 6 2 6 16 units
20 units