Measuring Perimeter with a Ruler
Use a ruler to measure sides and add them to find perimeter
Measuring Perimeter with a Ruler
Use a ruler to measure sides and add them to find perimeter
Math - Grade 2-3
- 1
Use a centimeter ruler to measure each side of the rectangle. The top and bottom sides should measure 6 cm each. The left and right sides should measure 3 cm each. What is the perimeter?
Add the length of all 4 sides.
The perimeter is 18 cm because 6 + 3 + 6 + 3 = 18. - 2
A square has 4 equal sides. Each side is 5 cm long. What is the perimeter of the square?
The perimeter is 20 cm because 5 + 5 + 5 + 5 = 20. - 3
Use an inch ruler to measure the sides of the triangle. The sides should measure 3 in., 4 in., and 5 in. What is the perimeter?
A triangle has 3 sides, so add 3 measurements.
The perimeter is 12 in. because 3 + 4 + 5 = 12. - 4
Mia measures a picture frame. The sides are 8 in., 6 in., 8 in., and 6 in. What is the perimeter of the frame?
A frame goes all the way around the outside of the picture.
The perimeter is 28 in. because 8 + 6 + 8 + 6 = 28. - 5
Use a centimeter ruler to measure the sides of the square. Each side should measure 4 cm. What is the perimeter?
The perimeter is 16 cm because 4 + 4 + 4 + 4 = 16. - 6
A garden bed is shaped like a rectangle. It is 7 meters long and 2 meters wide. What is the perimeter of the garden bed?
A rectangle has two long sides and two short sides.
The perimeter is 18 meters because 7 + 2 + 7 + 2 = 18. - 7
Use a ruler to measure the path around the shape. The 5 sides should measure 2 cm, 3 cm, 2 cm, 3 cm, and 4 cm. What is the perimeter?
Start at one corner and count each outside side one time.
The perimeter is 14 cm because 2 + 3 + 2 + 3 + 4 = 14. - 8
Noah draws a rectangle. The long side is 9 cm and the short side is 1 cm. What is the perimeter?
The perimeter is 20 cm because 9 + 1 + 9 + 1 = 20. - 9
A sticky note is a square. Each side is 3 in. long. What is the perimeter of the sticky note?
For a square, all 4 sides are the same length.
The perimeter is 12 in. because 3 + 3 + 3 + 3 = 12. - 10
Use a centimeter ruler to measure each side of the rectangle. The top and bottom sides should measure 8 cm each. The left and right sides should measure 2 cm each. What is the perimeter?
The perimeter is 20 cm because 8 + 2 + 8 + 2 = 20. - 11
A playground sandbox has 4 sides. The sides measure 4 m, 4 m, 6 m, and 6 m. What is the perimeter?
Perimeter is the distance around the outside edge.
The perimeter is 20 m because 4 + 4 + 6 + 6 = 20. - 12
Use an inch ruler to measure the sides of the rectangle. The rectangle should measure 5 in. long and 2 in. wide. What is the perimeter?
The perimeter is 14 in. because 5 + 2 + 5 + 2 = 14. - 13
A book cover is 10 in. tall and 7 in. wide. What is the perimeter of the book cover?
Add the height twice and the width twice.
The perimeter is 34 in. because 10 + 7 + 10 + 7 = 34. - 14
Use a centimeter ruler to measure the sides of the triangle. The three sides should each measure 4 cm. What is the perimeter?
All 3 sides are the same length.
The perimeter is 12 cm because 4 + 4 + 4 = 12. - 15
Lena measured around a small sign. She wrote these side lengths: 5 cm, 3 cm, 5 cm, and 3 cm. What is the perimeter of the sign?
The perimeter is 16 cm because 5 + 3 + 5 + 3 = 16.