Cal Recycle
Conserving Natural Resources
Trying to plan an engaging elementary science unit on natural resources? Conserve your energy! This five-part series of lessons and hands-on activities has exactly what you need to teach young scholars about the importance of conservation.
American Chemical Society
Classifying Objects Based on their Observable Properties
Sorting objects by properties is a lesson plan in justification. Learners begin by studying different types of properties of materials, including those based on appearance and texture. They examine the properties of specific items and...
Smarter Balanced
Classifying Vertebrates
What features do scientists use to classify animals into groups? Class groups examine a series of paired images of vertebrates (a bass and a trout, a toad and a newt, a crocodile and a tortoise, an owl and a robin, a tiger and a bear)...
Curated OER
Classifying Matter
Details about matter and how it is classified are included here. The slides, with differences about homogenous and heterogeneous mixtures, have diagrams to support the definitions and your class will appreciate the summaries to assist...
Mathematics Assessment Project
Classifying Proportion and Non-Proportion Situations
Proportions, proportions, everywhere. Class members complete an assessment task solving problems involving proportionality. They then complete an activity classifying given situations as proportional or non-proportional.
Curated OER
Three Little Pigs: Human, Natural and Capital Resources
First and second graders will learn about natural, capital , and human resources through the story The Three Little Pigs. They will listen to the story, write down what they know about straw, wood, and brick, then complete a chart...
Virginia Department of Education
Classifying Angles
Don't be obtuse, this geometry unit is the just the right resource for educating the acute young minds in your class. From classifying and measuring angles, to determining the congruence of shapes, this resource covers a wide range of...
Curated OER
Classifying Objects into Group
Classifying and sorting are great skills all kids need to know. They cut out each of the six images provided, then label each of two boxes. They glue the images in the appropriate box. Answers are provided.
Curated OER
Sorting and Classifying
Fifth graders are engaged in sorting and classifying geometric shapes of various colors and sizes. They discuss the properties of these shapes and illustrate a range of classifications using Venn diagrams.
Curated OER
Classifying Polygons
A straight edge, a right angle, a number of vertices; sounds like it's time to classify polygons. That's right you and your class will learn all about the properties of polygons and how to classify them with this easy to follow...
Kuta Software
Classifying Angles
Learners sharpen their classification of angles skill with a simple angles learning exercise that starts with unlabeled angles and ends with specific angle measures to classify.
Curated OER
Classifying Angles
In this classifying angles learning exercise, 7th graders identify and complete 17 different angles illustrated on the sheet. First, they use the key given to outline each angle. Then, students use a protractor to measure each angle and...
Utah Education Network (UEN)
Create, Classify, and Sort Quadrilaterals
Quadrilaterals can be quirky! Fourth graders use geoboards and bands to create four-sided figures. They analyze the attributes such as angle size and presence of parallel sides. As a result they learn to differentiate among rectangles,...
Curated OER
Lemonade For Sale
2-3rd graders listen to the story, Lemonade for Sale, by Stuart J. Murphy. In the story, children produce and sell lemonade to raise money for their clubhouse, create a product, classify the resources used in production as natural...
Curated OER
Classifying Triangles Using Sides
In this geometry activity, students answer 8 fill in the blank questions where they must examine 5 different complex geometric figures to classify triangles.
Illustrative Mathematics
The Geometry of Letters
Use the alphabet as a tool for teaching your class about geometric figures. Break apart capital letters into line segments and arcs. Classify angles as right, acute, or obtuse. Identify parallel and perpendicular lines. An excellent...
Curated OER
Classify Machines that Fly!
Eighth graders explore flight and the dichotomous key. In this flight lesson plan, 8th graders gain understanding of the dichotomous key and create one of their own. Students then use their dichotomous key to classify types of aircraft.
Curated OER
Classifying Objects
Fourth graders classify living things according to similarities and differences through guided and independent activities. They place objects into groups according to their characteristics and then make a collage of living things...
Curated OER
Classifying Angles Online
In this online classifying angles worksheet, students work out the answers to sixteen math questions and fill in the boxes with their answers. Students check their answers online as they go and the computer calculates the overall score...
Curated OER
Classified Ad Job Searches
Students discuss and list the various ways to conduct a job search. In groups, students review the classified ads and decide on a number of jobs that appear interesting and for which they are well qualified. This lesson is intended for...
Curated OER
Sorting and Classifying Worksheet
In this sorting and classifying worksheet, students recognize word meanings. Students have nine colors which they sort into one of three circles by matching a single characteristic.
Curated OER
Study Buddies: Classifying Triangles
In this math worksheet, students analyze an informative chart about the measurement and angles of equilateral, isosceles and scalene triangles. Students then answer 5 questions about classifying triangles.
Curated OER
Classifiers
Classifiers help describe things in American Sign Language. Provide your class with a visual image for each classifier, and then use this presentation as a review tool. Finally have learners put their knowledge to use by selecting...
Curated OER
Classifying Geometric Figures
Fourth graders recognize and classify geometric figures. In this geometry lesson, 4th graders read the books Shape Up and The Greedy Triangle and prepare a short report on the shapes mentioned in the text. Students compare the polygons...