Math Vocabulary Strategies
for ELLs
A Step-by-Step Classroom Guide for Pre-Teaching and Using Math Vocabulary
Vocabulary Matters!
Math vocabulary plays a critical role in students’ ability to understand instruction, interpret word problems, and explain their thinking. For many learners, especially English Language Learners (ELLs) and SLIFE students, math difficulty is often rooted in language, not the math itself.
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Many students have not retained key math terms, never received explicit math vocabulary instruction, or are learning math in English for the first time. SLIFE students may have had limited or interrupted exposure to formal math instruction altogether. Without targeted support, these students struggle to access grade-level content, participate in mathematical discussions, and make sense of assessment questions.
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Using intentional math vocabulary strategies is essential for creating an equitable and accessible math classroom.
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When teachers explicitly teach and reinforce math language, students are better able to:
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Understand core math concepts
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Discuss and justify their reasoning
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Analyze word problems and test questions
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Build confidence using academic language
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This page provides research-based math vocabulary strategies and supports for ELLs that help reduce language barriers while maintaining rigor. These strategies are designed to support all learners without watering down the math.
Pre-Teaching Math Vocabulary
What is Pre-Teaching?
Pre-teaching is intentionally previewing key math vocabulary and ideas BEFORE instruction. This helps students recognize them when they appear during the lesson.
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The goal is to have students recognize the terms, not to have students master them.
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Students don't need to explain or use the word yet, they just need to think "I've seen this before."
Helpful Links
Classroom Strategies
Choose one or two to use when supporting your students.
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Preview 3-5 key words with visuals
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Show diagrams and name the vocabulary out loud.
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Highlight the terms students will see in the lesson
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Use student-friendly definitions
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Create vocabulary preview sheets
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Model the word multiple times
Using Math Vocabulary
What does it mean to use vocabulary?
Using vocabulary means you are supporting students while they are actively doing the math. It helps prevent language from interrupting reasoning or problem-solving.
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The goal is comprehension within context.
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Students might not have perfect academic language yet, but they can engage in the content and the vocabulary
Helpful Links
Classroom Strategies
Use supports that reduce cognitive load while thinking is happening.
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Highlight or circle key words
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Name vocabulary during teacher think-alouds
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Provide sentence stems for explainations and discussions
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Use structured frameworks for analyzing problems
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You want students to think mathematically first.