Ounce

High school (ages 12+)
Mathematics & Numbers

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/ounce

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the etymological origin?Derived from the Latin 'uncia', meaning one-twelfth of a larger unit
2. What is the avoirdupois ounce value?Exactly 28.349523125 grams; 1/16 of an avoirdupois pound
3. What is an ounce and where does the word come from?An ounce is a small unit of weight used to measure things like snacks and gold. The word comes from the Latin word "uncia," which meant one‑twelfth of a larger measure in ancient Rome.
4. How many grams are in an avoirdupois ounce?An avoirdupois ounce is exactly 28.349523125 grams. It is the ounce used in the United States and the United Kingdom for everyday items like groceries and postage.

Uncia: An ancient Roman unit of measurement, historically representing one-twelfth of a larger standard.
Avoirdupois System: The primary system of weights used for general commerce, where a pound is divided into 16 ounces.
Troy System: A system of weights specifically used for precious metals and gemstones, featuring a heavier ounce than the avoirdupois system.
Fluid Ounce (fl oz): A unit of volumetric measure for liquids, distinct from units of mass or weight.