+
Worksheet
Curated OER

Surface Areas

For Students 6th - 8th
In this math learning exercise, students examine the measurements for the face of the triangle and trapezoid. Then they figure out the total surface area for each.
+
Lesson Plan
Curated OER

Extending Patterns

For Teachers 1st
In this mathematics worksheet, 1st graders draw the shapes that they see in the pattern illustrated. Then they identify which shape comes first, which comes after the circle, and which comes after the square. Students also draw the shape...
+
Organizer
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...
+
Worksheet
Curated OER

Yingtao's New Friend

For Students 3rd - 5th
In this literature learning exercise, students locate and identify various vocabulary terms related to a piece of literature and music. There are ten words located in the puzzle.
+
Worksheet
Curated OER

Shapes

For Students K - 2nd
In this geometry worksheet, students choose the correct name to match the shape given. Students identify the words for oval, rectangle, square, circle, triangle, and diamond.
+
Worksheet
Curated OER

Different Shapes

For Students Pre-K - K
In this shapes worksheet, students color all the big shapes blue, the middle sized shapes yellow and the small sized shapes red. Then they cut out all the shapes and sort them from big to small.
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th
Seventh graders practice calculations using the Pythagorean Theorem to find the missing side of a right triangle. Through guided practice, 7th graders explore how to apply the Pythagorean Theorem to solve for a missing variable. ...
+
Lesson Plan
Curated OER

Let the Matrix Do It

For Teachers 7th - 8th
Students create a matrix of the vertices of a triangle and produce new matrices that dilate, translate, rotate, and reflect the original triangle. After multiplying each matrix by a new scale factor, they graph the new matrix and...
+
Lesson Plan
Curated OER

Triangles and Quadrilaterals

For Teachers 2nd
Second graders explore triangles and quadrilaterals. They rotate to various centers in the room to identify and examine triangles and quadrilaterals. After presenting a picture to the class, 2nd graders locate right angles, triangles...
+
Lesson Plan
Curated OER

Geography: Lengths, Perimeter, and Area of Similar Objects

For Teachers 6th
Sixth graders explore characteristics of similar objects. Using attribute blocks, they explore the ratios of the perimeter, area and side length in similar shapes. They calculate and compare the area of shapes.
+
Lesson Plan
Curated OER

Shapes

For Teachers K
Students review basic shapes, such as circles, squares, triangles, and rectangles, find objects in those shapes in classroom, watch Clifford's Fun with Shapes video, practice reproducing four shapes, and rotate through four classroom...
+
Lesson Plan
Curated OER

What Goes Around

For Teachers 4th
Fourth graders investigate the relationships between the area and perimeters of squares and rectangles. They calculate the perimeter of rectangles and squares using a formula. Students investigate the relationship between the perimeter...
+
Lesson Plan
Curated OER

Areeas of Parallelograms and Triangles

For Teachers 12th
Twelfth graders are able to deduce the area of polygons by using several methods such as coordinate method. They are able to apply the area of polygons to real life situations. Students apply the Pythagorean Theorem in problem solving...
+
Lesson Plan
Curated OER

"School Shape Scavenger Hunt"

For Teachers 2nd - 5th
Learners, in groups, venture onto the schoolground on a scavenger hunt for shapes. They are given tasks: recorder, team leader, presenter, reporter, and behavior guidelines and a time limit. They search the school for shapes found in...
+
Lesson Plan
Curated OER

Polygon Mobiles

For Teachers 4th - 6th
Learners explore a variety of shapes and angles and create mobiles with information about a selected polygon. Both common and "not-so common" polygons are examined.
+
Lesson Plan
Curated OER

Marshmellow Geometry

For Teachers 5th - 10th
Young scholars explore a variety of geometric shapes, name them, and list their characteristics. The shapes are transposed into structures and checked for accuracy.
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 9th - 12th
Students identify a right angle and right triangle. They perform WebQuests searching for similar figures and solve for the length of one of the sides given the other two.
+
Lesson Plan
Curated OER

Triangle Puzzler

For Teachers 5th - 8th
Students are introduced to some basic concepts of geometry. They explain that the definition of a triangle is a figure with three sides, three angles, and three points. Triangles can be named by using three points in their correct sequence.
+
Lesson Plan
Curated OER

Pythagorean Theorem

For Teachers 7th - 9th
Students solve right triangles using the Pythagorean Theorem.  For this solving right triangles using the Pythagorean Theorem lesson, students find the missing side of a right triangle.  Students find the hypotenuse given two legs of a...
+
Worksheet
Curated OER

Geometry: Quadrilateral, Triangle, Parallelogram

For Students 3rd - 4th
In this geometry worksheet, students decide which characteristic, quadrilateral, triangle, or parallelogram make sets of shapes fall under that same category.
+
Worksheet
Curated OER

Shape, Color, and Number Match

For Students K - 1st
In this shapes and colors learning exercise, students solve and complete 8 different problems that include matching numbers, shapes, and colors. First, they use the guide at the top of the sheet to match the number to the correct color....
+
Worksheet
Curated OER

Triangle Challenge

For Students 7th - 8th
In this triangles activity, students identify and name 3 different types of triangles. First, they determine the number of right triangles in the figure shown on the sheet. Then, students determine the number of equilateral triangles and...
+
Worksheet
Curated OER

Three-dimensional Shapes

For Students 6th
In this three-dimensional shapes learning exercise, 6th graders identify and complete 4 different questions that include various types of three-dimensional shapes. First, they identify the shape illustrated as it relates to a cube. Then,...
+
Worksheet
Curated OER

Cosine

For Students 10th
In this cosine worksheet, 10th graders solve 10 different problems that include various triangles. They determine the cosine of one point in each triangle illustrated. Then, they apply the line segments given to each and solve for the...