Al-Khwarizmi

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/al-khwarizmi

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 full name?Muhammad ibn Musa al-Khwarizmi
2. What is the active dates?Circa 780 – circa 850 AD
3. Who was Al-Khwarizmi and why is he called the father of algebra?Al-Khwarizmi was a brilliant scholar from the Abbasid Caliphate who wrote the first book that treated algebra as its own subject. His book taught how to solve linear and quadratic equations and gave algebra its name.
4. What did Al-Khwarizmi do with numbers that changed how people did math?He wrote a book about Indian numerals that explained how to use the digits 0‑9 and place value. This made calculations easier than the old Roman numerals.

Abbasid Caliphate: A major Islamic empire that ruled from Baghdad, known for its intellectual and cultural achievements.
Linear Equation: An algebraic equation in which each term is either a constant or the product of a constant and the first power of a variable.
Quadratic Equation: An equation of the form ax² + bx + c = 0, where a, b, and c are constants and a ≠ 0.
Positional Number System: A number system in which a digit's value depends on its position within the number (e.g., the '1' in 100 is different from the '1' in 10).