1. Jada’s class drinks 2 gallons of milk at lunch. What is the amount of milk in cups?

2. The third graders at Jada’s school drink 3 times as much milk as Jada’s class. What is the amount in quarts?

Diego sees a snake that is 9 inches long at the pet store. The world's longest snake, a python, is 10 yards long. How many times longer is the python than the snake Diego sees at the pet store? Explain or show your reasoning.

1. Andre draws a rectangle that is 6 centimeters long and 5 centimeters wide. What is the perimeter of Andre’s rectangle?
2. Jada draws a rectangle with side lengths that are 4 times as long as Andre’s rectangle. What is the perimeter of Jada's rectangle?

1. A rectangle has a perimeter of 19 centimeters. One side is 4 centimeters. How long is the other side of the rectangle?

2. A square has a perimeter of 19 centimeters. How long is each side of the square? Explain or show your reasoning.

A furlong is 220 yards. It is a unit usually used to measure the distance of horse races. A mile is 5,280 feet. Mai reads that a furlong is \(\frac{1}{8}\) mile. Is this true? Explain or show your reasoning.

Many of the length measurements we use today have interesting histories. Choose one of them, such as a foot, a yard, or a marathon, and investigate its origin.