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Mathematics · Grades 3–4

Algebra

noun

The branch of mathematics that uses letters and symbols to represent unknown values in equations.

Example Sentences

"In algebra, we might write x + 5 = 12 to find the unknown value."

"Algebra helps us solve problems where one value is not yet known."

Synonyms & Related Terms

symbolic mathequations

Quick Check

Which best describes the meaning of algebra?

Study Tips

To remember algebra, try writing it in a sentence of your own. Connect it to something you already know about mathematics.

Use it in conversation today — saying a word aloud three times helps lock it into long-term memory.