PBS
Pbs Learning Media: Common Core Mathematics: Building Vocabulary
Educator Chris Luzniak encourages his students to apply authentic mathematics vocabulary when discussing and defending heir ideas. [1:39]
Science Struck
Science Struck: Geometry Terms You Might Not Have Heard Before
A lengthy list of geometry terms arranged alphabetically. Includes labeled illustrations and definitions for each.
Other
The Math Learning Center: Math Tools Math Vocabulary Cards
The Math Vocabulary Cards app helps students deepen their conceptual understanding of key terms in mathematics. Each card features three sections: a math term, a representative example or model, and a concise definition. Each section can...
Other
California Department of Education: Cahsee Math: Vocabulary [Pdf]
Although part of the Study Guide for the CAHSEE, this section of the document focuses on math vocabulary which graduating students in California are expected to know. Each term is defined (often with illustrations), and translated to...
Math Is Fun
Math Is Fun: Word Search: Math Words
Teacher-created word search through which students can review mathematics vocabulary.
Texas Education Agency
Texas Gateway: Interactive Math Glossary
The Interactive Math Glossary is provided by the Texas Education Agency to help teachers explore and understand mathematics vocabulary.
Cut the Knot
Cut the Knot!: Mathematics as a Language
A sophisticated discussion on the language of mathematics, its origins, meanings, and precision.
Other
Needs Outreach: American Sign Language for Mathematics: Secondary
This collection of videos demonstates ASL vocabulary for a wide variety of secondary mathematics terms. Includes vocabulary PDFs in both English and Spanish. Requires Quicktime and Adobe Reader.
Math Is Fun
Math Is Fun: Illustrated Mathematics Dictionary
A comprehensive dictionary of Math terms. Definitions include illustrations, examples, and detailed descriptions.
University of Regina (Canada)
Univeristy of Regina: Math Central: Mathematics Glossary: Middle Years
The definitions included in this Math dictionary for the middle grades are based on the Saskatchewan curriculum.
Other
University of Chicago: Everyday Mathematics: Glossary
A 60-page illustrated glossary of math terms for Grades 4-6.
Vocabulary University
My vocabulary.com: Math: Weights and Measures
This is a variety of vocabulary puzzles and activities using 31 vocabulary words pertaining to Math: Weights and Measures. It also provides an extensive vocabulary word list for this topic.
Vocabulary University
My vocabulary.com: Vocabulary Word List for Math
This page offfers links to word lists with about 900 words pertaining to math, including Tennessee Academic Vocabulary for Grades 6-8 Math.
Better Lesson
Better Lesson: Excellent Mathematical Explanations
Second graders use place value vocabulary to write excellent mathematical explanations about why a comparison statement is true or false.
![Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf] Handout](http://content.lessonplanet.com/resources/thumbnails/410149/large/bwluav9tywdpy2symdiwmduymc0yotc3ms0xc2cxdxfjlmpwzw.jpg?1589985608 "Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf] Handout")
Oswego City School District
Regents Exam Prep Center: Nys Mathematics Glossary: Geometry [Pdf]
The glossary consists of mathematical terms used in geometry. Definitions and examples are included. The resource is intended for teacher use only.
Illustrative Mathematics
Illustrative Mathematics: Sort and Count I
Students will have fun moving around the room and comparing items using sorting cards. They will become familiar with the math vocabulary more/less/same and most/least.
Other
Teachers on the Web: A Maths Dictionary for Kids
On this site from Aussie School House Teachers on the Web, an Australian K-6 teacher defines and illustrates more than 500 mathematical terms. It is a wonderful dictionary featuring clear and often interactive graphics, great colors, and...
Alabama Learning Exchange
Alex: Express Yourself With Patterns
During this lesson, the students will use growing patterns to develop an algebraic expression with understanding. The students will also learn mathematical vocabulary with the use of the newly created expression.
Student Achievement Partners
Illustrative Mathematics: Fishing Adventures [Pdf]
Learners use a model to define variables, write expressions, create an inequality and then interpreting the results in this lesson plan.
Quia
Quia: Algebra Terms
Do you need practice learning and remembering algebra vocabulary terms? This practice with flash cards is the web site for you! There is a link to a list of terms with definitions you can click if you want to see if you are correct.
Other
Allmath: Math Glossary
Are your students having difficulty understanding math terminology? Try this A-Z glossary on math related terms. It's quick, easy to read, and very complete.
Math Words
Mathwords: Terms and Formulas From Algebra I to Calculus
Mathwords is "an interactive math dictionary with enough math words, math terms, math formulas, pictures, diagrams, tables, and examples to satisfy your inner math geek." Written by a teacher of high school and college students,...
Disfruta Las Matematicas
Disfruta Las Matematicas: Diccionario Ilustrado De Matematicas
Here you will find an illustrated mathematics dictionary with easy-to-understand definitions. It also contains links to further reading.
Cool Math
Coolmath: Math Dictionary
This CoolMath resource provides a dictionary of mathematical terms.