Measuring Length: Real-World Math Challenges for 3rd Graders

Lily has a ribbon that is 3 meters long. She cuts off 1 meter. How long is the ribbon now?

• 2 meters

• 4 meters

• 1 meter

• 3 meters

A pencil is 15 centimeters long. If Tom has 4 pencils, what is the total length of all the pencils?

• 60 centimeters

• 75 centimeters

• 45 centimeters

• 30 centimeters

A garden is 10 feet long and 5 feet wide. What is the perimeter of the garden?

• 25 feet

• 30 feet

• 40 feet

• 15 feet

Sarah measures her book, and it is 25 centimeters tall. If she stacks 3 books, how tall is the stack?

• 50 centimeters

• 100 centimeters

• 30 centimeters

• 75 centimeters

A rope is 2.5 meters long. If you need 1.5 meters for a project, how much rope will you have left?

• 1.0 meter

• 0.5 meters

• 1.5 meters

• 2.0 meters

A toy car is 8 inches long. If you have 5 toy cars, what is the total length of all the cars?

• 40 inches

• 25 inches

• 50 inches

• 30 inches

The length of a classroom is 6 meters. If a student measures it with a ruler that is 1 meter long, how many rulers will they need?

• 5

• 10

• 6

• 7

A swimming pool is 12 feet long. If you want to add a 3-foot long slide, what will be the new total length of the pool plus the slide?

• 15 feet

• 12 feet

• 18 feet

• 9 feet

A piece of string is 50 centimeters long. If you cut it into 5 equal pieces, how long is each piece?

• 10 centimeters

• 5 centimeters

• 20 centimeters

• 15 centimeters

A path in a park is 20 meters long. If a child walks 8 meters down the path, how much further do they need to walk to reach the end?

• 5 meters

• 12 meters

• 15 meters

• 10 meters