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Curated OER

Triangles

For Students 3rd - 7th
In this geometry instructional activity, students will answer questions to determine if a shape is a triangle and if so, what type of triangle.
Lesson Plan
National Security Agency

Classifying Triangles

For Teachers 4th - 8th Standards
Building on young mathematicians' prior knowledge of three-sided shapes, this lesson series explores the defining characteristics of different types of triangles. Starting with a shared reading of the children's book The Greedy...
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Curated OER

Inverted Triangle

For Students 3rd - 6th
In this graphic organizer worksheet, students will write a broad topic on the top line of the inverted triangle. Then students will write part of that topic on the next smaller line. Students will continue until they get a focused topic.
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Curated OER

Types of Triangles

For Students 9th - 10th
As a reference sheet for types of triangles, this worksheet would be good for students to keep in their binder or to take notes about; however, it would need to accompany an existing lesson as there is no activity beyond basic...
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Curated OER

Triangle Worksheet: Cut, Construct and Think 1

For Students 6th
In this triangle worksheet, 6th graders draw and cut out a triangle, cut it into three pieces, then arrange the pieces to make new shapes.
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Curated OER

Quick Recognizing Shapes Guide

For Students 1st - 3rd
Although there isn't anything for kids to complete in this shapes handout, they can use it as a guide for drawing shapes and recognizing their attributes. There are eight shapes described here: circle, oval, triangle, rectangle,...
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Curated OER

Triangle Dot Paper

For Students 6th
In this math worksheet, students see a whole page grid of triangle dots. There are no directions on the page which is labeled as a learning tool for grade 6.
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Curated OER

Cognitive Triangle Worksheet

For Students 7th - 12th Standards
What you tell yourself about an event can have a profound effect on what you actually do about it. Encourage learners to examine their thoughts, and how these thoughts eventually translate into feelings and actions, with a...
Lesson Plan
Project Maths

Introduction to Trigonometry

For Teachers 9th - 12th Standards
The topic of trigonometric ratios is often covered with loads of rote memorization baked into the activity. This activity set, however, leans more on using similar triangles and discovery learning to help young geometers develop a deeper...
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Curated OER

Classifying Shapes Using Venn Diagrams

For Students 3rd - 5th
In this classifying shapes using Venn diagrams worksheet, students draw examples of isosceles, right, and equilateral triangles in the proper sections of the first graphic organizer. They draw polygons, both regular and quadrilaterals,...
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Curated OER

Pascal's Triangle

For Students 6th - 8th
In this math worksheet, students find the multiples of five that end in 0 or 5. Then they shade the numbers within Pascal's Triangle.
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Teens Finding Hope

Thought-Feeling-Behavior Triangle

For Students 7th - 12th Standards
All actions, good and bad, first begin with an idea. Using these worksheets, help learners become more aware of how their thoughts can spiral into different feelings and behaviors, as well as to practice considering the pros and cons of...
Lesson Plan
Curated OER

Geometric Shapes

For Teachers 1st - 3rd
Connect geometric shapes to your learners' lives with this worksheet. In order to complete this worksheet, young scholars must discover examples of triangles, squares, and circles at school, at home, and outdoors and list them on a...
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Curated OER

Drawing Basic Shapes

For Students 4th - 5th
Challenge your geometry class with this connect-the-dots activity! Scholars use a ruler to complete simple shapes through connecting dots in 6 shape-identification problems, and identify it from 4 choices: triangle, square, rectangle, or...
Lesson Plan
Curated OER

Soils and Particle Size

For Teachers 7th - 9th
In this soil worksheet, students are given a "Textural Triangle" showing the percent of clay, sand and silt in soil as well as measurements of the particles found in soil.
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Curated OER

Triangle Angle-Sum Theorem

For Students 5th - 8th
In this polygons activity, students fill out a graphic organizer about the name of the polygon, the number of sides, the angle sums, and more. Students complete this for 5 polygons.
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Curated OER

Year 10 Trigonometry

For Students 11th - Higher Ed
In this math worksheet, students complete the graphic organizers while filling in the missing values by using the trigonometric ratios.
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Curated OER

Label the Pictures (Above, Behind, Below, Beside, In Front of)

For Students 2nd - 4th
A cross-curricular approach to prepositions includes a geometry aspect as learners label eight pictures of shapes to indicate their positioning. Each picture has two shapes, some with arrows to show which shape's location scholars are...
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Polk Bros Foundation

I Can Analyze Cause and Effect

For Teachers 6th - 10th Standards
Examine cause and effect by asking pupils to fill out a basic graphic organizer. The template is for any story or event and provides a line for writing in the story or event title. Pupils write in two causes in the circles and the change...
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Curated OER

Area, Perimeter, Volume Formulas

For Students 9th - 10th
In this formulas worksheet, students write the area, perimeter, and volume formulas of 17 2D and 3D polygons.  Students list properties of various types of triangles and the metric conversions for metric units.
Lesson Plan
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Wind Wise Education

What are Wind Shear and Turbulence?

For Teachers 6th - 12th Standards
Let's go fly a kite. By flying a kite, class members observe the difference in air flow. The class notices the characteristics of banners tied to the kite string to determine where wind turbulence stops. Adding an anemometer to...
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Curated OER

3 Level Pyramid

For Students 3rd
In this graphic organizer, students will complete a three level pyramid. Students will demonstrate how each level of the pyramid becomes smaller as it reaches the hierarchy at the top of the triangle.
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Primary Resources

Venn Diagrams

For Teachers 3rd - 5th
Combine your lessons on Venn diagrams, probability, and multiples with several activities. After picking seven cubes, learners note the number of cubes that are blue and mark them in a Venn diagram. The next assignments prompt them...
Lesson Plan
Virginia Department of Education

Exploring Quadrilaterals

For Teachers 6th
Sort this resource into the Use pile. Scholars investigate attributes of quadrilaterals and then use the results to sort and classify the shapes labeling each figure with their properties to justify the classifications.

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