This Problem Set is a part of the Lesson 3, Unit 3, Grade 6. Decide if each is a measurement of length, area, volume, or weight (or mass): How many centimeters across a handprint, How many square inches of paper needed to wrap a box, How many gallons of water in a fish tank, How many pounds in a bag of potatoes, How many feet across a swimming pool, How many ounces in a bag of grapes, How many liters in a punch bowl,. How many square feet of grass in a lawn.