Lesson Plan
EngageNY

Perimeter and Area of Triangles in the Cartesian Plane

For Students 9th - 12th Standards
Pupils figure out how to be resourceful when tasked with finding the area of a triangle knowing nothing but its endpoints. Beginning by exploring and decomposing a triangle, learners find the perimeter and area of a triangle. They...
Lesson Plan
Willow Tree

Area of Common Geometric Figures

For Students 8th - 11th Standards
Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other...
Lesson Plan
Willow Tree

Perimeter of Common Geometric Figures

For Students 8th - 11th Standards
Help learners understand that perimeter and circumference are one in the same. Learners apply their skills to determine the perimeter/circumference of triangles, rectangles, and circles. They then use the same strategy to find the...
Worksheet
Curated OER

Cylinder: Student Worksheet

For Students 3rd - 5th
Pairs of geometry whizzes work together to determine which of three differently shaped cylinders will have the greatest volume. Pupils cut out the three rectangles embedded in the plan, and tape them together to form a cylinder. From...
Lesson Plan
Mathematics Assessment Project

Identifying Similar Triangles

For Teachers 7th - 9th Standards
Math whizzes work with angle sums and exterior angles to figure out the measure of other angles. This particular publication provides comprehensive support in the form of an anticipatory activity, questions designed to prompt discussion,...
Worksheet
Curated OER

Geometry: Identify Figures Through Segments

For Students 2nd - 4th
In this geometry worksheet, students answer 5 questions, finding shapes using a figure with labeled line segments running through it. A reference website is given for additional resources.
Worksheet
Curated OER

Coordinate Geometry Proofs

For Students 10th
In this coordinate geometry activity, 10th graders solve and draw 10 different problems related to complete proofs in coordinate geometry. First, they prove that a figure with given points is another figure by using slopes. Then,...
Worksheet
Curated OER

Geometry - Complex Figure

For Students 4th
In this geometry worksheet, 4th graders work with a complex figure. They calculate the length of one line in the figure, find the perimeter, the length of another side, and the surface area of the figure.
Interactive
Curated OER

Probability and Geometry Problems

For Students 9th - 12th
In this online math worksheet, students consider a variety of scenarios which include elements of geometry and probability. This excellent resource allows the students to check their answers, and to get "hints" should they run into...
Worksheet
Curated OER

Complex Figures

For Students 4th - 6th
In this complex figure worksheet, students find the length, height, perimeter, and surface area of the complex figure. Students complete 4 problems.
Lesson Plan
Curated OER

Space and Shape in Geometry:

For Teachers 7th - 12th
Students are asked to visualize three-dimensional figures and apply this visualization to problem solving.
Worksheet
Curated OER

Calculate the Area of Compound Figures

For Students 6th - 8th
In this geometry skills worksheet, learners respond to 4 questions that require them to calculate the area of compound figures.
Worksheet
Curated OER

Side Lengths of Similar Shapes

For Students 7th - 10th
In this geometry skills worksheet, students examine 4 pairs of similar shapes and use their problem solving skills and the information provided to calculate the length of segments.
Worksheet
Curated OER

Area of Compound Figures

For Students 7th - 9th
In this geometry skills instructional activity, students respond to 4 questions that require them to find the area of compound figures.
Worksheet
Curated OER

Calculate the Area of Compound Figures

For Students 6th - 8th
In this calculating area of compound figures worksheet, students solve 4 problems that require them to find the area of compound shapes.
Lesson Plan
Curated OER

Geometry Finding Pentominoes

For Teachers 3rd - 5th
Students explore the characteristics of geometric shapes. In this geometric shapes lesson, students use tiles to draw pentominoes. Students participate in various learning center activities focused on configuring pentominoes.
Lesson Plan
Curated OER

Geometry in A Box

For Teachers 1st - 12th
Young scholars identify 3-dimensional geometric shapes and list the characteristics of each. Using modeling clay, they create their own models of specified geometric shapes. Students create and design a box to store their geometric models.
Worksheet
Curated OER

Tell Me! Geometry

For Students 4th - 5th
In this geometry and measurement worksheet, students solve 20 problems pertaining to parallel lines, geometric figures, right angles and simple measurements.
Lesson Plan
Curated OER

Geometry and Quilting

For Teachers 4th - 5th
Students create a quilt square for a class quilt using at least three, two-dimensional geometric figures. They research and write a brief description of at least two different quilt patterns that they find. Pupils discuss that quilts are...
Worksheet
Curated OER

1st Geometry

For Teachers 3rd - 6th
In this geometry worksheet, students choose the multiple choice answer to 15 questions involving several different elements of geometry.
Lesson Plan
Curated OER

Geometry History Lesson

For Teachers 10th
Tenth graders investigate the early history of geometry. In this geometry activity, 10th graders investigate translations, rotations, and reflections. They also solve problems with line of symmetry and rotational symmetry while reviewing...
Lesson Planet Article
Curated OER

Going Beyond Basic Geometry Using Symmetry and Tesselations

For Teachers 3rd - 6th
Using Bloom's Taxonomy you can help advanced students go beyond basic geometry.
Lesson Plan
Curated OER

Geometry, Measurement & Reasoning

For Teachers 7th - 9th
Students measure prisms and determine their volume. In this measurement and reasoning lesson, students estimate the volume and area of prisms. They measure given boxes. Students use paper to create prisms and cylinders. They determine...
Worksheet
Curated OER

Geometry Review

For Students 10th
In this geometry review worksheet, 10th graders solve and complete 33 different problems that include identifying various geometric figures and parts of a circle. First, they find the radius of each circle given its diameter. Then,...

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