Lesson Plan
Curated OER

Measurement of Objects Using Similar Triangles in The Plane

For Teachers 9th - 11th
Young scholars use similar triangles and a sight tool to find the height and distance between large objects. In this similar triangles lesson plan, students use a constructed sight tool to measure the distance and height of an object...
Lesson Plan
Curated OER

Graphs and Measurement

For Teachers 10th
Tenth graders analyze graphs and by comparing trees. In this geometry lesson, 10th graders investigate the use of different graphs using bar and regular graphs. They work groups at the computer.
Lesson Plan
Curated OER

Gravity, Angles, and Measurement

For Teachers 10th - 11th
Students relate math to real life scenarios. In this geometry lesson, students launch a ball tracking each launch using a graph. They analyze their data for speed, angles and distance, trying to improve on each launch.
Worksheet
Curated OER

Determine the Measure of an Angle of a Right Triangle.

For Students 10th - 11th
In this geometry instructional activity, students solve word problems by finding the values of missing angles and missing sides of triangles. They review their trigonometric properties of a right triangle. There are 9 problems with an...
Worksheet
Curated OER

Three- and Two- Dimensional Geometry

For Students 7th
In this three- and two- dimensional geometry worksheet, 7th graders solve 12 various problems related to geometric shapes and measurement. They first use paper and a pencil to sketch the front, side, back, top and bottom views of each...
Worksheet
Curated OER

Solve Word Problems with Geometry

For Students 7th - 12th
In this geometry worksheet, students solve word problems having to do with lines, angles, shapes, area, perimeter, and more. Students complete 57 problems total.
Worksheet
Curated OER

A Geometry Worksheet - Similar Triangles

For Students 9th - 12th Standards
In this similar triangles worksheet, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Worksheet
Curated OER

Building Blocks of Geometry

For Students 9th - 11th
In this geometry worksheet, students answer questions about midpoints, distance, lines and segments. They are given different shapes and asked to calculate the angles, and sides of polygons.
Worksheet
Curated OER

Kuta Software - Infinite Geometry: Similar Triangles

For Students 9th - 12th
In this similar triangles instructional activity, students solve 20 short answer problems. Students determine if two given triangles are similar.  Students determine the type of similarity given two triangles. Students are given a...
Lesson Plan
Curated OER

Measuring the Egyptian Way using the Pythagorean Theorem

For Teachers 9th - 10th
Students measure using the Pythagorean Theorem. In this geometry lesson, students solve right triangles using the properties of the Pythagorean theorem. They apply the same knowledge to solving story problems.
Worksheet
Curated OER

Angle Measurements

For Students 10th
In this angle measurement learning exercise, 10th graders solve and complete 9 different word problems. First, they read the word problems carefully. Then, students draw a picture that represents each problem and solve. Finally, they...
Worksheet
Lone Star College

Geometry Worksheet II

For Students 7th - 10th Standards
Young geometers get practice with the algebra of angles in an extensive skills practice worksheet. Supplementary, complementary, and vertical angle relationships are used, along with parallel lines cut by a transversal and angle sum...
Lesson Plan
Teachers Network

A World of Symmetry: Math-Geometry

For Teachers 4th - 6th
Define and identify the three basic forms of symmetry translation, rotation, and glides with your class. They cut out and arrange paper pattern blocks to illustrate symmetry, create a Cartesian graph, and design a rug with a symmetrical...
Worksheet
Curated OER

Measurement Activity

For Students 7th - 10th
In this geometry worksheet, students use a ruler and a protractor to measure the lengths of the line segments and size of the angles that make up a drawing of a Christmas tree.  The one page worksheet has one problem.  Answers...
Lesson Plan
Curated OER

Angle Measurement of Aircraft Wings and Tails

For Teachers 7th - 8th
Students measure the angles of wings and tails of various aircraft using a protractor. They estimate and check their measurements. They investigate aircraft being developed and tested at NASA Dryden.
Lesson Plan
Curated OER

Measurements in Quilting

For Teachers 3rd
Student measure the length of the sides of rectangles and squares using inches, feet and yards. They determine perimeters of rectangles and squares. They then determine areas of rectangles and squares. Student compare measurement of...
Worksheet
Curated OER

Angle Measures-90, 180, 270 and 360 Degrees

For Students 5th - 6th
In this angle measurement instructional activity, students complete 4 multiple choice problems, determining whether given angles measure 90, 180, 270 or 360 degrees. A reference web site is given for additional activities.
Lesson Plan
Curated OER

Measurements in Sports

For Teachers 6th
Sixth graders study measurement problems. In this geometry lesson, 6th graders discuss the different types of measurement used in sports and answer questions regarding measurement problems in sports.
Worksheet
Raytheon

Geometry: Volume

For Students 6th - 8th
In this geometry activity, 6th graders study comprehensive facts pertaining to volume and measurement of geometric, three-dimensional figures. Students solve for 59 problems showing their work.
Lesson Plan
Curated OER

Surface Area and Measuring

For Teachers 10th
Tenth graders explore volume and surface area through percentages. In this geometry lesson, 10th graders analyze the surface area of two and three dimensional shapes, then use percents and ratio to compare the two.
Handout
McGraw Hill

Lines and Angles

For Students 4th - 7th Standards
Why was the obtuse angle upset? Because it was never right! A valuable resource is loaded with background information on types of angles and lines. Learners review the characteristics of parallel, perpendicular, and...
Lesson Plan
EngageNY

Secant Angle Theorem, Exterior Case

For Teachers 9th - 12th Standards
It doesn't matter whether secant lines intersect inside or outside the circle, right? Scholars extend concepts from the previous activity to investigate angles created by secant lines that intersect at a point exterior to the...
Unit Plan
Arizona Department of Education

Area and Perimeter of Regular and Irregular Polygons

For Teachers 3rd - 6th Standards
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other...
Assessment
Noyce Foundation

Parallelogram

For Teachers 6th - 7th Standards
Parallelograms are pairs of triangles all the way around. Pupils measure to determine the area and perimeter of a parallelogram. They then find the area of the tirangles formed by drawing a diagonal of the parallelogram and compare their...