+
Worksheet
Curated OER

Similar Right Triangles-Introductions to Trigonometry

For Students 9th - 10th
For this geometry worksheet, students examine similar right triangles as the basis for the foundation of trigonometry. Students define the basic trigonometric functions and use a calculator to find the trigonometric value of an angle....
+
Worksheet
Curated OER

Middle School Level Vocabulary Matching Words 1

For Students 6th - 8th
Don't be capricious. Evoke the acute curiosity of your middle schoolers and evade the apathy that can harass the inert with a 15 word matching instructional activity. Pairs or groups can have fun playing with individualistic vocabulary...
+
Lesson Plan
Curated OER

Geometry Journal: Isosceles Triangles

For Teachers 10th - 12th
In this isosceles triangles worksheet, students justify and determine the symmetry of an isosceles triangle. They explore the bisector of rectangles. This three-page worksheet contains two problems. Answers are listed on page three.
+
Unit Plan
PBS

Accessible Shapes

For Teachers 6th - 8th Standards
All the 2-D and 3-D measurement work you need is in one location. Divided into three sections, the geometry lesson plans consist of visualization of three dimensions, classifying geometric figures, and finding surface area and volume....
+
Lesson Plan
Willow Tree

Common Geometric Figures

For Students 8th - 11th Standards
Geometry could be called the study of figures. An overview of the figures found in a typical geometry course contains a study of different triangles, quadrilaterals, and regular polygons. 
+
Assessment
Concord Consortium

Always, Sometimes, Never

For Students 9th - 10th Standards
Do your learners always, sometimes, or never remember the properties of the segments in triangles? Get that number closer to always with a creative lesson analyzing all four segments. Scholars consider a statement about one of the...
+
Lesson Plan
Curated OER

Artistic Angles

For Teachers 5th
Fifth graders explore angles by using protractors. They recognize, describe and determine the surface area and volume of three-dimensional shapes. Students recognize the right angle, acute angle, obtuse angle and vertex. They identify...
+
Lesson Plan
Curated OER

Lines and Angles

For Teachers 4th - 5th
Students explore Geometry with Twizzlers Candy, pipe cleaners, paper, pencils, and protractors. They manipulate these items to create different angles introduced by the teacher.
+
Lesson Plan
Beacon Learning Center

The Fun Polygon

For Teachers 4th - 6th Standards
Junior geometers use hands-on manipulatives to explore and describe the properties and attributes of a fundamental polygon, the triangle. They learn different kinds of angles and their measurements. This well-written lesson plan provides...
+
Assessment
Los Angeles County Office of Education

Assessment For The California Mathematics Standards Grade 4

For Students 4th Standards
Have scholars show what they know with a 20-page assessment aligned to the California State Standards. The test covers concepts such as large and whole numbers, all four mathematical operations, fractions, decimals, geometric figures,...
+
Interactive
CK-12 Foundation

Ambiguous Case: Furniture Store Problems

For Students 10th - 12th
Remove any ambiguity about using a helpful resource. Individuals use an interactive to find the number of triangles that fit given conditions. They find that some conditions can result in more than one triangle in the ambiguous case.
+
App
1
1
WeTransfer BV

Paper by FiftyThree

For Teachers 3rd - 12th
There is no such thing as someone who is not artistic when using this app. In fact, this is the type of app that makes you want to go out and buy a tablet computer. Whether you have a creative lesson planned, or just need a place to take...
+
Lesson Plan
Curated OER

Acute Toxicity: LD50 by the Numbers

For Teachers 9th - 12th
Students observe brine shrimp as they are affected by household cleaners, develop observation scale, collect and analyze data, and discuss how household products and pesticides negatively impact environment.
+
Worksheet
Curated OER

Triangles

For Students 10th
In this triangles worksheet, 10th graders solve 3 extensive informal geometry problems that involve triangles. First, they sketch a triangle, selecting 3 of the sides and constructing 3 midpoints. Students then draw each of 3 medians by...
+
Lesson Plan
Curated OER

Indirect Proof and Inequalities in one Triangle

For Teachers 10th
For this geometry worksheet, 10th graders complete an indirect proof and order the sides or angles of a triangle. Also, students determine if a triangle can have sides with the given lengths. The two page worksheet contains twelve...
+
Worksheet
Curated OER

Which Shape Am I Describing?

For Students 4th - 5th
In this math worksheet, students examine 10 geometric shapes. Students read 10 short descriptions and place the number inside the shape that is being described. Example: I have got 2 acute angles and 2 obtuse angles.
+
Lesson Plan
Curated OER

Triangles

For Teachers 3rd
Third graders recognize geometric shapes with acute angles, make geometric shapes with acute angles on geoboards, and draw acute angles on geopaper.
+
Lesson Plan
Curated OER

Triangle Attributes and Measures

For Teachers 7th
Seventh graders explore the concept of triangles. In this triangles instructional activity, 7th graders sort triangles according to various attributes such as acute, obtuse, isosceles, or equilateral. Students find the area and perimeter...
+
Lesson Plan
Curated OER

Orthocenter Of a Triangle

For Teachers 8th - 10th
Students find the orthocenter of a triangle. In this geometry lesson, students identify where the altitudes meet in a triangle. They use Cabri software to explore acute, obtuse and right triangles.
+
Lesson Plan
Curated OER

Concurrent Lines in Triangles

For Teachers 9th - 12th
Pupils explore the concept of concurrent lines in triangles. In this concurrent lines in triangles lesson, students work in groups to investigate properties of concurrent lines in acute, right, and obtuse triangles. Pupils use a...
+
Worksheet
Curated OER

Identify Triangles

For Students 3rd - 5th
In thins triangles review worksheet, students examine 3 triangles and their measurements. Students classify them as acute, right, obtuse, equilateral, isosceles, or scalene.
+
Worksheet
Curated OER

List of Geometry Terms

For Students 4th - 9th
In this angle vocabulary card worksheet set, learners identify the vocabulary associated with angles such as: ray, vertex, acute angle, segment bisector, and corresponding angles. They identify 23 terms but there are no questions...
+
Lesson Plan
Curated OER

Investigating the properties of a circle

For Teachers 7th - 10th
Students use wax paper to look at different properties of circles such as chords, tangent lines, inscribed angles, and inscribed angles in a semi-circle, as well as finding the center of the circle, and use GSP to investigate cyclic...
+
Lesson Plan
Curated OER

Daily Upkeep 1

For Teachers 4th
In this math review worksheet, 4th graders read a graph and identify the amount of money earned during a specific week. Then they solve a word problem using multiplication or addition. Finally, students identify which angle shown is best...

Other popular searches