3.1-3.2 Length

Which of the following units is the smallest?

• Yard

• Foot

• Inch

• Mile

Answer explanation

The correct answer is C. Inch. There are 12 inches in a foot, 3 feet in a yard, and 1760 yards in a mile. So, an inch is the smallest unit among the options.

How many feet are there in 2 miles?

• 3520 feet

• 5280 feet

• 10560 feet

• 21120 feet

Answer explanation

The correct answer is C. 10560 feet. There are 5280 feet in a mile, so 2 miles is equivalent to 5280 * 2 = 10560 feet.

A person is 6 feet tall. What is their height in inches?

• 60 inches

• 72 inches

• 84 inches

• 96 inches

Answer explanation

The correct answer is B. 72 inches. There are 12 inches in a foot, so 6 feet is equivalent to 6 * 12 = 72 inches.

If you are 5 feet tall, how tall are you in inches?

• 40 inches

• 50 inches

• 60 inches

• 70 inches

Answer explanation

The correct answer is C. 60 inches. Since there are 12 inches in a foot, you would multiply 5 (feet) by 12 to get 60 inches.

Which of the following is the longest length?

• 1 mile

• 2000 yards

• 5000 feet

• 70000 inches

How many yards are in 2 miles?

• 3520 yards

• 5280 yards

• 1760 yards

• 3520 yards

If a swimming pool is 30 feet long, how many yards long is it?

• 10 yards

• 20 yards

• 30 yards

• 40 yards

If you are 1.5 meters tall, how tall are you in centimeters?

• 15 centimeters

• 150 centimeters

• 1,500 centimeters

• 15,000 centimeters

Answer explanation

The correct answer is B. 150 centimeters. Since there are 100 centimeters in a meter, you would multiply 1.5 (meters) by 100 to get 150 centimeters.

Which of the following is the longest length?

• 1 kilometer

• 2000 meters

• 60000 centimeters

• 700000 millimeters

How many meters are in 2 kilometers?

• 500 meters

• 1000 meters

• 2000 meters

• 5000 meters

Answer explanation

The correct answer is C. 2000 meters. There are 1000 meters in a kilometer, so 2 kilometers would be 2 * 1000 = 2000 meters.