The Complete Guide to Math Vocabulary in English
Essential English math terms every student needs to know. Perfect for students preparing for international math curricula, SAT, AP, and global exams.
Why Learn Math Vocabulary in English?
In a globalized world, mathematics is a universal language — but the terminology varies by language. Students preparing for study abroad, international exams (SAT, AP, IB), or global university programs need to master math vocabulary in English.
Core Arithmetic Terms
| Korean | English |
|---|---|
| 덧셈 | Addition |
| 뺄셈 | Subtraction |
| 곱셈 | Multiplication |
| 나눗셈 | Division |
| 분수 | Fraction |
| 소수 | Decimal |
Algebra & Beyond
- Variable — An unknown quantity represented by a letter (e.g., x, y)
- Equation — A statement that two expressions are equal
- Coefficient — The numerical factor in a term (e.g., the 3 in 3x)
- Polynomial — An expression with multiple terms
- Factoring — Breaking an expression into its multiplicative components
Geometry Essentials
- Congruent — Having the same shape and size
- Similar — Same shape, different size
- Perpendicular — Meeting at a right angle (90°)
- Parallel — Lines that never intersect
Study Tips
- Make flashcards with the Korean term on one side and English on the other
- Practice reading math problems in English daily
- Use English-language textbooks alongside your Korean ones
- Watch math tutorial videos in English to get used to the pronunciation
Mastering math vocabulary in English opens doors to international academic opportunities and builds a strong foundation for global success.