Curated OER
A Tooth for a Tooth
Learners classify mammals as carnivores or herbivores. They look at a set of pictures of animal skulls, observing the shape and size of the teeth, and identify herbivores and carnivores.
Curated OER
Ecology Explorers: Historical Air Photo Interpretation
Students identify and analyze land use changes over time with historic aerial photographs, and classify different land use into categories.
Curated OER
Sink or Float
Third graders sort objects into those they think will float and those that will sink and test their predictions. They experiment with clay molding it into shapes that float. They place pennies in them until they sink. They test other...
Curated OER
Types of Triangles
Young math whizzes solve four problems in which a triangle with labeled angle measurements is analyzed. They mark if each triangle is acute, right, or obtuse.
Curated OER
Lesson 3: Measuring Angles
Students use a protractor to measure angles. They classify angles by type: right angle, acute angles, and obtuse angles. Students build and draw right, acute, and obtuse angles. They discuss how do people in various professions use...
Curated OER
Find an Animal! Find a Book!
Learners identify the themes of different books by classifying their genre. In this genre lesson, students examine a specific animal by reading both a nonfiction and fiction book about the species. Learners compare the...
Curated OER
Animal Tracks Program
Entice your learners with this lesson on animal footprints. After reading the story Footprints in the Snow by Cynthia Benjamin, they use photos to identify animals and their footprints. Then they participate in an activity to classify...
Curated OER
Opening A Cube
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...
Curated OER
Polygons
In this math learning exercise, learners classify the six polygons. Then they answer the questions related to the geometric properties of the shapes.
Curated OER
Angles ~ Right Angles
Have your class review how to identify right angles. Learners identify right angles, and then write the number of angles found in each shape.
Pennsylvania Department of Education
Classifying Figures on the Coordinate Plane
Fifth graders use estimation to solve word problems. In this fractions lesson, 5th graders decide whether or not an answer to a work problem is reasonable by applying their knowledge of fractions, decimals and estimation. This lesson...
Curated OER
Clearly Classified
Learners investigate plants and insects. In this science classification lesson, students create separate categories for insects and plants by characteristics. Learners discover scientific names of insects.
Curated OER
Classify UT Plants and Animals
Students practice using 2 different plant classification keys to identify species. They make choices between the similarities and differences between their object and the classification scheme.
Curated OER
The Strongest Shape
Students work collaboratively to design and construct a roof out of Legos for a house that was built in a previous instructional activity. The roof must be structurally sound and pass certain criteria determined by the teacher.
Curated OER
Classifying Quadrilaterals
Fourth graders select the Quadrilateral Quest game, they find all quadrilaterals with the given properties. They are told that the word congruent in this game means equal. Students are given two to four properties of quadrilaterals. ...
Cornell University
The Science of Snowflakes
Who can grow the best crystals? Challenge class members to develop strategies for enhancing growth in the crystals. Through a lab investigation, learners study the properties of crystals and test the effectiveness of different...
Curated OER
Interactivate - Lines, Rays, Line Segments, and Planes
Students explore lines, rays, line segments, and planes. For this math lesson, students discuss the math concepts and direct their instructor in graphing functions. Students collaborate in graphing additional functions.
Curated OER
Patterns Here, There and Everywhere
Pattern recognition is a skill often used in mathematics. Learners count and sort manipulatives, organize the data into a graph and answer questions about the information displayed. They collect the objects to be used and create patterns...
Curated OER
Estimate then Measure the Angle #1
Practice angle estimation with a instructional activity. First learners estimate three angles within 15 degrees, then they measure and name each angle. A reference website is given for additional activities.
Curated OER
Odd One Out
Ninth graders identify and describe in their own language, the following 2-dimensional shapes: square, circle, box, pentagon; classify objects by shape attributes. They then list a number of properties that distinguish squares from...
Curated OER
Geometry in the Constellations: The ER-2
Students discuss reasons to record the location of stars. They view a picture of the night sky, and discuss constellations. Students complete a worksheet of the various shapes they see in the constellations.
Curated OER
The Quirky Quadrilateral
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...
Curated OER
Rock vs. Mineral - Lesson #1
Students describe visual, textural, and other physical qualities of sample rock specimens. Using compare and contrast skills, students sort and classify the specimens according to their assessments of the qualities present in each....
Curated OER
Powerful Polygons
Students scan the classroom to find different common shapes. They listen as the teacher defines polygon and regular polygon. The teacher demonstrates regular polygons via the Internet and the "Math is Fun" web site. Students go outside...