Units of weight Lesson 14-3 CCSS 4.MD.1 Literature Link: How Much and How Many: The Story of Weights and Measures by Jeanne Bendick
Warm up Over the weekend, Carl’s Chicken sold 496 chicken sandwiches. It sold 163 salads. About how many items did Carl’s Chicken sell in all? About how many more chicken sandwiches were sold?
Truck Large dog Baby T-shirt Think and write List these things in order from smallest to largest according to weight: Truck Large dog Baby T-shirt
The customary units of weight are: Ounce (oz) Pound (lb) Ton (T) 1 pound (lb) = 16 ounces (oz) 1 ton (T)= 2,000 lb.
OUnces Ounces (oz) are used to measure the weight of very light things, like a feather or an ant. What other things can you think of that you might measure using ounces? If there are 16 oz. in one pound, how many ounces are there in 5 pounds?
Pounds Pounds are used to measure the weight of many things, such as people, animals, and many objects. What objects can you think of that we would measure in pounds?
How many pounds are in 8 tons? 1 ton = 2,000 pounds. Tons are used to measure very heavy objects like 18 wheeler trucks or trailers. How many pounds are in 8 tons?
Which unit? Tell which customary unit you would use to measure the weight of the following items.
Which unit of measurement is most likely? 4 oz. or 4 lb.? 350 lb. or 350 T? 10 oz. or 10 lb.?