# Math Teacher Tools

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Worksheets Quadrilaterals and Polygons Worksheets Here is a graphic preview for all of the Quadrilaterals and Polygons Worksheets Sections. You can select different variables to customize these Quadrilaterals and Polygons Worksheets for your needs. The Quadrilaterals and Polygons Worksheets are randomly created and will never repeat so you have an endless supply of quality Quadrilaterals and Polygons Worksheets to use in the classroom or at home. We have area & perimeter worksheets, identification of quadrilaters and polygons worksheets, and angle of quadrilaterals and polygons worksheets. Interactive Polygon lesson,interior,exterior angles,regular,irregular Regular Polygons To create a regular polygon simply drag one of the three sliders. The sides slider changes the number of sides. For a regular polygon all the vertices lie on a circle circumference. The radius slider adjusts this circle radius. You can display the circle which is initially transparent.

Starter Of The Day Start your Mathematics Lesson with our Starter Of The Day. Boost your mind power with these brain exercises. Give your mental ability a work out with a range of mathematical puzzles, speed tests and creative ideas. Chemistry resources for Teachers and Students Search over 2000 substance pages for compound structures, properties, spectra, and more. Teaching analytical chemistry? Spectraschool is a great place to start. For lesson starters, try interactive Gridlocks, or our Starters for Ten puzzles. To search for an exact phrase on Learn Chemistry, enter the phrase in speechmarks. You can filter your search results by age, audience, resource type, context and subject, using the buttons that appear at left. shapechallenge Miss Mason's Shape Challenge How many of my challenges can you complete? You may need to follow the HELP onto the Internet to get your answers.

Interactive angles teaching tool acute,obtuse,measure with protractor This activity allows manipulation and investigation of various types of angles. It can be used at a variety of different grade levels. At its most basic for teaching about types of angles, acute, obtuse or reflex. For more advanced use to create angle problems in which the missing letter angle values have to be found. You can click and drag the handles to change the angles and the values will updated. A built in protractor can be used to practice measuring angles. Math Tests and Quizzes That Are Aligned Core Math Curriculum Math Tests and Topic/Skill Based Quizzes We now have a full line of tests for each section of the common core curriculum. Test are fully available to members for immediate download. There is a test sampler in each section for those who haven't signed up yet and want to see what it is all about. We will continue to add new tests on a monthly basis. Tests By Grade Level

BioBuilding: Synthetic Biology for Teachers PDF of this page BioBuilding for Teachers Welcome!

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