The teachers at our building are already implementing the use of Frayer models to help students use and understand important math words. I love that Frayer models provide students with both examples and nonexamples to help students understand what a vocabulary word means and what it does not mean. If you have not used a Frayer model before, here is an example:
In their book Putting the Mathematical Practices Into Action: Implementing the Common Core Standards for Mathematical Practice K-8 (a GREAT read by the way!), O'Connell and SanGiovanni provide helpful suggestions for using vocabulary to increase precision. Some of the ideas include:
- The use of word webs to explore math ideas and expand vocabulary. For example, when studying measurement, you could web tools, attributes, units, etc.
- Sort and Label will help students categorize ideas and concepts. Students organize the words and assign a label. This can reveal a lot about student thinking and uncover misconceptions! For example, how might students sort the following: sum, minus, join, compare, subtract, add, take apart, plus
Another idea that students love is to print labels with a math vocabulary word on each label. Put a label on the back of each student. Students play 20 Questions - asking questions that can only be answered with "yes" or "no" - to figure out what word is on their back. This promotes conversation and students frequently use additional vocabulary in their questions to determine their word. For example, if a student has triangle on their back, they might as, "Am I a polygon?" or "Do I have parallel sides?".
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