Milli-

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/milli-

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 metric factor?Represents a factor of 10⁻³ (one thousandth)
2. What is the historical proposal date?Proposed in 1793
3. What does the prefix "milli-" mean?It means one thousandth of a unit, written with the symbol m and representing 10⁻³.
4. When was "milli-" added to the metric system?It was proposed in 1793 and officially adopted in 1795 by the French Academy of Sciences, and became part of the SI in 1960.

International System of Units (SI): The modern, standardized global system of measurement, based on the metric system.
Metric System: A decimal system of measurement where units are related by powers of ten.
Prefix: A morpheme added to the beginning of a word to modify its meaning, such as 'milli-'.
Scientific Notation: A way of writing very large or very small numbers using powers of 10.