Website
US Department of Education

Helping Your Child Learn Math: Math in the Home

For Students Pre-K - 1st
An excellent compilation of activities that engage parents and children in math explorations at home. Detailed lessons covering a wide range of math topics such as fractions, measurements, money, data collection, and math in newspapers....
Activity
Rice University

Rice University: Cynthia Lanius: School Bus Geometry

For Students 9th - 10th
This site gives a lesson on school bus (Taxicab) geometry. The lesson includes distances and midpoints in taxicab geometry.
Unit Plan
CK-12 Foundation

Ck 12: Geometry: Geometric Translations

For Students 9th - 10th Standards
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn how to translate a figure. They examine guided notes, review examples, watch instructional videos, and try practice problems.
Lesson Plan
Shodor Education Foundation

Shodor Interactivate: Lesson: An Introduction to Quadrilaterals

For Teachers 9th - 10th Standards
Quadrilaterals-parallelograms, rectangles, and trapezoids-are thoroughly introduced in this lesson plan for upper elementary and middle school students. Lots of resources are linked to it to help support the teacher and students....
eBook
Math Planet

Math Planet: Pre Algebra: Triangles

For Students 9th - 10th Standards
Learn about the types of triangles by taking a look at an example and a video lesson.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Measuring Distances Triangulation

For Teachers 9th - 10th
Lesson plan which details how to have young scholars determine the distance to an object by sighting it from two different locations and knowing the distance between these locations. As an advanced alternative, trigonometry can be used...
Unit Plan
Free Math Help

Free Math Help: Geometry Vocabulary

For Students 9th - 10th Standards
The lesson investigates vocabulary used in Geometry. Definitions and examples are included.
Lesson Plan
Better Lesson

Better Lesson: Sorting Shapes

For Teachers 1st Standards
Clean Up this Mess! The classroom shapes are in one big heap. Students will work in teams to come up with a way to sort the shapes by attributes and create a visual representation to model their thinking
Lesson Plan
Better Lesson

Better Lesson: Looking at the Similarities and Differences

For Teachers 1st Standards
La, La, La, La, La, sing a happy song! You will be signing like a Smurf as students use their new founded knowledge of shape characteristics to participate in a whole group discussion and to successfully participate in geometric learning.
Unit Plan
Oswego City School District

Regents Exam Prep Center: Reflections: Line and Point

For Students 5th - 8th Standards
Lesson and activities focusing on line reflection. Here you will find a detailed explanation of the concept with picture examples, opportunities for interactive practice, and supporting classroom activities in the teacher resource pages.
Activity
Homeschool Math

Homeschool Math: Measuring Angles With a Protractor

For Students 3rd - 5th
This geometry lesson and video explain angle measure, how to measure angles with a protractor, and has varied exercises for the students.
Website
Oswego City School District

Regents Exam Prep Center: Teaching Strategies for Algebra 2 & Trigonometry

For Students 9th - 10th
The mathematics lesson plans consist of teaching strategies and activities for algebra, geometry, and trigonometry. Some strategies included are teaching in block scheduling, working with lower ability students, and planning curriculum....
Lesson Plan
Alabama Learning Exchange

Alex: "Tan"

For Teachers K - 1st Standards
The Chinese character mark formerly known as "Tan" is the first of two lessons to introduce first grade students to geometry using tangrams. This lesson incorporates history, math, and language arts. In this lesson students will be able...

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