Lesson Plan
Curated OER

Math: Shapes and More Shapes

For Teachers 6th - 8th
Students locate lines of symmetry in regular polygons and predict the number of lines of symmetry in an octagon. In three different polygons, they construct all lines of symmetry and after making their prediction about the octagon,...
Lesson Plan
Curated OER

Sort It Out and Match It Up

For Teachers 6th - 8th
Middle schoolers identify objects that are the same shape and size. They compare and contrast attributes of two-and three-dimensional objects using appropriate vocabulary. Pupils justify an extension of a geometric pattern to explain...
Lesson Plan
Curated OER

The Quirky Quadrilateral

For Teachers 4th
Fourth graders identify and classify different triangles and quadrilaterals. Then they demonstrate an understanding of plane and solid geometric objects and use this knowledge to show relationships and solve specific problems. Students...
Lesson Plan
Curated OER

Sort it Out

For Teachers 2nd - 4th
Young scholars identify and sort a variety of two- and three-dimensional objects and compare and contrast their attributes. They identify shapes, locate shapes on the faces of solids, sort real objects and explain the sorting rule, and...
Lesson Plan
Curated OER

Lighthouse Geometric

For Teachers 3rd - 4th
Students identify the types and characteristics of geometric figures. In this lighthouse geometric instructional activity, students review shapes that represent plane or solid.  They select items that could be used to construct a...
Lesson Plan
Curated OER

Opening A Cube

For Teachers 5th
Fifth graders investigate mathematical concepts related to the construction of a three dimensional cube. They construct the cube from two dimensional patterns and compute the surface area. Students also define the faces, edges, and...
Lesson Plan
Curated OER

Our Geometric World

For Teachers 3rd
Third graders explore the attributes of polygons. In this geometric shapes lesson, 3rd graders review quadrilaterals, squares, rectangles, triangles, pentagons, hexagons, and octagons in order to create hanging polygons. Students then...
Lesson Plan
Curated OER

Math: Symmetry and Similarity

For Teachers 6th - 8th
Students describe the differences between congruence and similarity. After explaining the motions that indicate congruency of two shapes, they complete worksheets to draw lines of symmetry and similar shapes. With straws and twist...
Lesson Plan
Curated OER

Dayna Lykins, Leanna Prater

For Teachers 4th
Fourth graders compare and contrast gliding flight and true flight. They investigate the basic principles of aeronautics. The class participates in activities to observe lift and the effect of air. Students design and fly their own...
Lesson Plan
Curated OER

Where has Polly Gone?

For Teachers 4th - 6th
Students explore polygons and their uses in careers. They also discover polygons shapes in manmade objects and nature. They use their acquired knowledge to construct a strong structure using polygon shapes.
Lesson Plan
Curated OER

How many edges do I need to cut in order to open a cube?

For Teachers 2nd - 4th
Students problem solve to open a cube to create different shapes. In this problem solving lesson plan, students are given a cube and the shapes to open it up to, and they have to cut the cube open to make certain shapes. This gives them...
Lesson Plan
Curated OER

Attributes & Nets of a Cube

For Teachers 3rd
Third graders engage in a lesson that focuses on the attributes and forming of a cube. They construct a cube using different combinations while comparing a square with only two-dimensions. Students fold paper while following the...
Lesson Plan
Curated OER

Marshmallow Geometry

For Teachers 3rd
Third graders create 2D and 3D shapes using marshmallows and toothpicks. In this geometry lesson plan, 3rd graders create their shapes and document the number of faces, edges, corners, angles, and sides. They share one shape and its...
Lesson Plan
Shodor Education Foundation

Pythagorean Theorem

For Teachers 8th - 10th Standards
Most adults remember learning about the Pythagorean theorem, but they don't all remember how to use it. The emphasis here is on developing an intuitive understanding of how and when to use the theorem. Young mathematicians explore...
Lesson Plan
Curated OER

Spatial Relations - Week 9

For Teachers 10th - 12th
In this spatial relations worksheet, students identify the number of triangles in a given figure, identify the number of cubes that a plane intersects, and determine the number of line segments in a given cube. This three-page worksheet...
Lesson Plan
Curated OER

Castles

For Teachers 10th - 11th
Students create a scale model to a castle using the dimensions they were given. They calculate the surface areas and volumes of each section of their castle.
Lesson Plan
Curated OER

Chopping Cubes

For Teachers 6th - 8th Standards
Middle schoolers work in small groups to make various geometric solids with Play-Doh. They use fishing line to make cuts and observe the shapes of the cross-sections. Pupils complete an assessment in which they answer questions such as:...
Worksheet
Orange County Public Schools

Vocabulary #20 Worksheet – English 1

For Students 7th - 9th Standards
Five vocabulary activities help kids to put words into context while reinforcing their definitions. They find synonyms and antonyms, finish analogies, and use context clues to study ten words on the list.
Lesson Plan
Curated OER

Let's Think About Water

For Teachers K
Students explore the different forms that water can take and conduct simple experiments to demonstrate some of its properties in each state. They watch a short video that illustrates some of these concepts.
Worksheet
Curated OER

Applications of Hyperbolas

For Students 10th
In this hyperbola worksheet, 10th graders solve and complete 6 different problems. First, they determine the cross-section of a hyperbolic paraboloid curve. Then, students find where the cone intersects the ground in hyperbola as...
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 10th
In this measurement lesson, learners examine the Pythagorean Theorem, perimeter, and areas of right triangles. They record their measurements and research their findings on a grid.
Lesson Plan
Curated OER

Foil Fun

For Teachers 2nd
Second graders be having hands-on experiences with three-dimensional solid shapes. They investigate the features of solid shapes and examine the names for them. They are introduced to making nets for 3D shapes.
Lesson Plan
Curated OER

Plain Figures And Measuring Figures

For Teachers 7th
Seventh graders investigate the mathematical concept of a sector. They apply the concept to an example problem and then move into a more complex application. They find the area of the side of a cone. This is done as students calculate...
Lesson Plan
Curated OER

Polydron Fun

For Teachers 9th - 11th
Students investigate nets as they relate to volume and area. For this geometry lesson, students use nets as a visual to deepen their understanding of surface area and volume of objects. They make conjectures about different objects and...