Mathematical language conveys a more precise understanding of mathematics than the conversational or informal language used every day to communicate with others. This includes vocabulary, terminology, and language structures used when thinking about, talking about, and writing about mathematics. Mathematical language is academic language that conveys mathematical ideas. In particular, make a not of the following point: In particular, the Practice Guide entitled, Assisting Students Struggling with Mathematics: Intervention in the Elementary Grades, emphasizes the importance of math vocabulary. The What Works Clearinghouse has a number of Practice Guides that focus on evidence-based practices that will help struggling students. The Illustrated Math Dictionary is more than just a vocabulary tool. Each term has an audio component, along with related resources. This ebook brings together the glossary terms for concepts like Linear Functions, Quadratic Functions, and Polynomial functions. This ebook brings together math definitions and related multimedia resources. Subscribers to Media4Math also get access to The Illustrated Math Dictionary. To see the current collection of puzzles see the links below: In addition, Media4Math has a collection of word games and vocabulary puzzles to allow students to further practice their vocabulary skills. There are many free online tools for creating such puzzles. Once students are familiar with the collection of terms have them create word search or crossword puzzles using these terms. With an activity like this, students begin to use math vocabulary but, more important, tie it to math concepts. Encourage them make connections among these related terms, creating a graphic similar to this: Working in teams, students can begin to build connections among these terms. As you can see, this is more than just a simple definition of a single term.Īs students analyze these definitions, they begin to see common terms: ratio, rise over run, change in coordinates, and so forth. Clicking on the link reveals that there are 17 terms under the category of slope. To continue this example, let's look at the collection of terms under slope. The idea is to encourage students to start using these terms as they begin discussing the main concept. Have a group of students research these terms and begin making connections.Have students research one or more of these terms. Each definition includes an example of the term.As you introduce a new topic, for example Slope, go to the corresponding collection of definitions by linking on one of the collections above.Here are some idea for how to use this library of vocabulary terms: Creating Connections Click on each link to see that collection of terms and definitions. The Media4Math glossary consists of clusters of such terms. In fact, for any given concept there are clusters of vocabulary terms that students need to learn in order to better understand the concept. Math vocabulary doesn't consist of isolated terms. To see the complete collection of these terms, click on this link. Furthermore, each definition includes a clear explanation and a contextual example of the term. Since the lengths of the sides including the congruent angles are given, let us. Each definition is a downloadable image that can easily be incorporated into a lesson plan. Side-Angle-Side (SAS) Similarity Theorem Angles ABC and ABC are congruent. With that in mind, Media4Math has developed an extensive glossary of key math terms. Textbook instruction or examples often rely on these key terms and without a proper grounding in the relevant vocabulary, students will continue to struggle. In fact, many students struggle with math concepts because they lack the mastery of key vocabulary. These three theorems, known as Angle - Angle (AA), Side - Angle - Side (SAS), and Side - Side - Side (SSS), are foolproof methods for determining similarity in triangles.Vocabulary is an important part of the math curriculum. Similar triangles are easy to identify because you can apply three theorems specific to triangles. Note: Note that in similar triangles, each pair of corresponding sides are proportional.Īlso, if two triangles are congruent, therefore they are similar (although the converse is not always true). $\Rightarrow$\, since we know that if two triangles are congruent, therefore they are similar. Therefore, by the SAS Congruency Criterion,
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