+
Lesson Plan
Curated OER

Inscribed Right Triangles

For Teachers 7th - 9th
Students calculate the measurements of the inscribed angles of a triangle. For this geometry lesson, students relate the hypotenuse of a right triangle and the diameter of a circle to each other. They calculate the diameter of a circle...
+
Lesson Plan
Curated OER

Worms And More

For Teachers 1st - 2nd
Students complete five center activities that in order to determine the attributes of length and area. They study the vocabulary associated with measurement of length and area. They use blocks, play dough, wrapping paper, and footprints...
+
Lesson Plan
Curated OER

Plenty of Pythagoras

For Teachers 5th - 8th
Using a twelve foot knotted rope, students form a 3-4-5 right triangle. Following a discussion of observations about the lengths of the sides of the triangle, students use grid paper, scissors and a centimeter ruler to draw and measure...
+
Lesson Plan
Curated OER

Algebra 2/Trigonometry Regents Exam

For Teachers 11th - 12th
Young scholars review for the Regents Exam. In this math activity, students review core concept for the Regents exam by working a variety of problems. A printable worksheet is provided.
+
Lesson Plan
Curated OER

Fashion Day

For Teachers 8th
Eighth graders practice using basic measurements to solve word problems.They also investigate finding the perimeter of different polygons and define the characteristics to classify the shape as a polygon.
+
Lesson Plan
Curated OER

BASEBALL HOME RUN

For Teachers 7th - 9th
Students determine whether a hit baseball is a home run or not by utilizing parametric equations to describe the path of the ball. They assess the importance of angles and velocity needed to hit a home run. In addition, in their own...
+
Lesson Plan
Curated OER

Constructing Geometric Shapes

For Teachers 7th - 8th
In this construction geometric shapes worksheet, student use the software program for instruction then construction shapes and bisect angles for four questions.
+
Lesson Plan
Houghton Mifflin Harcourt

Developing the Concept: Triangles and Quadrilaterals

For Teachers 5th - 7th Standards
Exact narrative and examples make this lesson on polygons easy to implement. Through it, your class will learn how to use a protractor and ruler to construct triangles and quadrilaterals according to your directions. Your class will be...
+
Lesson Plan
Curated OER

Ratios in Right Triangles

For Teachers 9th - 12th Standards
Learners calculate the sides of right triangles in this trigonometric ratios lesson. They use Cabri Jr. software and TI-83 or TI-84 calculators to find the side lengths and their ratios to each other for various triangles. The provided...
+
Lesson Plan
Curated OER

Geometry of Exploration: Eyes Over Mars

For Teachers 4th - 8th
Students research how engineers and scientists generate linear and angular measurements with geometry to survey the Earth and Mars. They assess how geometric shapes affect navigation. A surveyor comes to the classroom and explains how he...
+
Lesson Plan
Curated OER

Anza and Font in Search of Latitude

For Teachers 7th
This is an integrated lesson that incorporates Social Studies, Science, and Mathematics. In Social Studies, 7th graders complete an online interview and complete an online worksheet about latitude of sites on the Anza trail. In Science...
+
Lesson Plan
Curated OER

Exploring Trigonometric Ratios

For Teachers 10th - 12th
Students calculate the different ratios using a right triangle. In this trigonometry lesson, students identify the sine, cosine and tangent of each side. They find the missing angles using the different ratios.
+
Lesson Plan
Curated OER

Arithmetic Artistry

For Teachers 2nd - 4th
Students create a classroom quilt that illustrates the many unique ways that students use math skills.
+
Lesson Plan
Curated OER

Sin, Cos and Tangent

For Teachers 9th - 10th
Students find the identity o sine, cosine and tangent. In this precalculus lesson, students solve and identify the different parts of a right triangle. They use the ratios of the Pythagorean Theorem to find the missing side or angle.
+
Lesson Plan
Curated OER

Drawing a Triangle with Cabri Junior

For Teachers 9th - 12th Standards
Learners draw triangles on their graphing calculators using the Cabri Junior application. In this graphing calculator lesson, students follow step by step directions to create triangles on their calculator. They identify the type of...
+
Lesson Plan
Curated OER

Types of Triangles

For Teachers 1st - 2nd
Learners classify triangles by the length of their sides. In this geometry lesson, students use a white board to demonstrate the angles of various triangles. Learners construct an equilateral, isosceles, and a scalene triangle.
+
Lesson Plan
Curated OER

Reflection Experiments

For Teachers 7th
Seventh graders investigate with light rays. In this light instructional activity, 7th graders determine the angle of reflection using simple materials. They continue the investigation by exploring the theory that light which is not...
+
Lesson Plan
Curated OER

Geometers Sketchpad Practice

For Teachers 9th - 10th
Young scholars create polygons using geometers sketchpad. For this geometry lesson, students construct the interior angles of polygons and label the different points. They estimate and measure the different parts as they draw conclusion.
+
Lesson Plan
Curated OER

Tally Time

For Teachers Pre-K - 5th
Students create a tally chart. In this math and health instructional activity, students discuss healthy foods and create a tally chart showing the number of students who like to eat healthy foods.
+
Lesson Plan
Curated OER

Plastic Packaging

For Teachers K - 2nd
Students collect data. In this math instructional activity, students collect data about recyclable materials. Students develop a plan that will help the environment. Recycling plastic containers is discussed.
+
Lesson Plan
Curated OER

Area Explorations

For Teachers 7th - 8th
Young scholars explore the concept of area. In this area lesson, students find the area of irregular shapes with right angles. Young scholars break down each irregular shape into multiple regular shapes in order to find the area. ...
+
Lesson Plan
Curated OER

Get the Turtle to the Pond

For Teachers Pre-K - 2nd
Young scholars solve problems. In this math activity, students write solutions using LOGO commands in order to help get the turtle to the pond.
+
Lesson Plan
Curated OER

Geometry in Tessellations

For Teachers 3rd - 12th
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
+
Lesson Plan
Curated OER

Mathematics in Robotics

For Teachers 10th - 12th
Students build and create using math. For this geometry lesson, students differentiate between congruent and similarity as they observe polygons. They create robots with different functions using properties of geometry.