Lesson Plan
Curated OER

Perimeter of Triangles and Rectangles

For Teachers 5th
Fifth graders study perimeter. For this math lesson, 5th graders use Cheerios to find the perimeter of various polygons. Students discuss how to figure the perimeter of triangles, squares and rectangles.
Lesson Plan
Curated OER

Finding Perimeter and Area

For Teachers 3rd - 5th
Geometers find the perimeter and area of rectangles. They discuss the definitions and characteristics of rectangles and squares. In groups, they use yarn to discover the perimeter of squares and rectangles. They count cubes to explore...
Lesson Plan
Curated OER

Lesson Plan Two: Polygons

For Teachers 5th Standards
Learners explore the concept of polygons on a two-dimensional plane. They identify polygons in everyday life and draw different polygons according to their classification. Using a geoboard and geobands, they consrtuct polygons and even...
Lesson Plan
Curated OER

Seeing Shapes

For Teachers K - 1st
Students study a variety of geometric shapes by taking pictures of items representing the shapes with a digital camera. They identify the shapes by using software to paint on the image.
Worksheet
Curated OER

Fractions

For Students 7th
In this fractions worksheet, 7th graders solve and complete 10 different problems that include determining various types of fractions. They color each picture shown to illustrate the fraction given for each problem. Then, students...
Worksheet
Curated OER

Revise Identifying 3-D Shapes

For Students 4th - 5th
In this 3-D shapes worksheet, students practice identifying 8 3-D shapes with their following precise names: cube, cuboid, square based pyramid, cone, cylinder, tetrahedron, octagonal prism and hexagonal prism.
Worksheet
Curated OER

Revise Identifying 2-D Shapes

For Students 3rd - 4th
In this 2-D shapes learning exercise, learners identify and label 8 shapes as one of the following: pentagon, octagon, rectangle, hexagon, semicircle, equilateral triangle, heptagon and/or isosceles triangle.
Worksheet
Curated OER

Counting Shapes

For Students K
For this mathematics worksheet, students identify various shapes. Then they circle the correct number of shapes illustrated in each box. There are 10 problems to solve on the sheet.
Worksheet
Curated OER

Compare Groups

For Students K
In this mathematics instructional activity, students identify various types of shapes shown. Then they circle the group with the most shapes. There are 8 problems to solve on the sheet.
Worksheet
Curated OER

Graph Groups

For Students K - 1st
In this mathematics worksheet, students solve a number of problems by counting each shape and graphing the amount to the right in height. Then they circle the shape that appears the most often on the sheet.
Worksheet
Curated OER

Which One Does Not Belong?

For Students K
For this mathematics worksheet, students circle the shape in each group that is different. there are six different groups to identify on the sheet.
Worksheet
Curated OER

Extraterrestrial Shapes

For Teachers Pre-K - K
In this shapes worksheet, students complete 5 different figures with various given shapes. First, they identify each shape illustrated. Then, students color and decorate each shape. Finally, students cut out and paste the various shapes...
Lesson Plan
Curated OER

Area and Perimeter

For Teachers 10th
Learners find the area and perimeter of regular polygons and composite figures and examine the effect on the area and perimeter of a figure if the dimensions are multiplied by a constant. The nine page worksheet contains thirty-seven...
PPT
Curated OER

Guess the Shape

For Teachers 3rd - 4th
How well does your class know their shapes? This interactive shape quiz provides learners with four clues which they will use to determine identify each shape. This is an excellent way to assess how well learners know their shapes and...
Lesson Plan
Willow Tree

Interior Angles, Exterior Angles, and Diagonals of Polygons

For Students 8th - 11th Standards
How does the number of sides of a polygon affect the angle measures? Learners recognize a pattern in finding the total measure of interior and exterior angles and the number of diagonals. They use the patterns to calculate...
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. 
Assessment8:47
Mathed Up!

Probability

For Students 7th - 9th Standards
How likely is it to draw a blue marble? Pupils find the likelihood of events and connect that to the probability of the event. They find the probabilities of simple events and show their probabilities on a scale.
Lesson Plan
02 x 02 Worksheets

Symmetry

For Teachers 9th - 11th Standards
Get learners' minds rotating and reflecting while looking for symmetry. Pupils investigate figures to determine the number of lines of symmetry and if the figure has rotational symmetry. Classmates work together in groups to find out the...
Lesson Plan
Curated OER

Polygon Mobiles

For Teachers 4th - 6th
Students 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

Number Prefixes

For Teachers 7th - 12th
Students recognize the number prefixes used throughout the English language. They identify the shapes and the prefixes that are associated with them.
Worksheet
Curated OER

Rations and Proportions

For Students 9th - 12th
In this ratios and proportions worksheet, students answer 8 questions in which they are setting up and solving proportions. One problem also consist of several polygons in which students must identify missing information.
Worksheet
Curated OER

Probability Concepts (Practice 20.2)

For Students 4th - 5th
In this probability worksheet, learners solve 16 problems pertaining to probability and likely, less likely, certain and impossible outcomes.
Lesson Plan
Curated OER

Fractions and Panes

For Teachers 5th - 6th
Students recognize the fractional values of window panes as part of the whole window. In this window panes lesson, students listen to a story about window panes and sing a song. Students look at pictures of windows and write fractions...
Lesson Plan
Curated OER

Algebra/Geometry Institute Summer 2007 - Perimeter of Polygons

For Teachers 6th
Sixth graders find the perimeters of polygons and use perimeters to form polygons. In this perimeter lesson, 6th graders study vocabulary associated with finding perimeter such as polygon, line segment, variable, and formula. They make...