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It's About Time
First, second, and third graders explore elapsed time through estimation and prediction. They work with a partner to estimate how long it will take to perform various tasks. One person uses a stop watch to time his or her partner...
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Finding Volume
Sixth graders develop a rule for finding the volume of rectangular solids using colored cubes. They investigate the properties of solid figures and find the volume of an object by counting units. Students fill spaces with standard-sized...
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Exploring Congruent Triangles
In this congruent triangles worksheet, learners solve 12 different equations related to writing a correspondence statement for triangles in the given diagrams. They complete each correspondence statement and write a congruence statement...
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Maximize It!
Students design a rectangular box without a lid that has the largest possible volume using the supplied sheet of centimeter graph paper. They work in groups to construct different size boxes to determine the largest possible volume and...
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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. 
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Looking at Leaves Lesson 1
Fourth graders visit an outdoor area and compare/contrast two different leaves using Venn diagrams. They create tree leaf rubbings from their leaves and examine their vein structures or needle patterns.
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Rock of Ages
Students are given a classification table and samples from their location. They locate their samples on the classification table using the characteristics used in rock identification.
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Clay Tile: Art Deco Style
Students analyze and classify sets of pictures using a mathematical classification system and create original works of Art Deco tiles using this new knowledge and four types of symmetry.
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Lunar Learning
Students learn about the phases of the moon. In this moon phases lesson, students learn about what causes the moon to look different to us everyday and how the Earth and Sun's position determine what phase the moon is in.
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Kindergarten Geometry
Students choose a square of any size and use yarn to show that all 4 sides are the same. They sort the traffic sign cards into groups of squares and non-squares. Also they make a square using Q-tips; tell how you know it is a square.
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Egg Fun
Students complete experiments to find out if all eggs are same size, how they roll, and where is the air inside of the egg.
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Modular Houses
Students, working in pairs, are presented with the problem. They are asked to design modular houses using four cubic modules, all the same size, which touch each other on complete faces. They must draw each of their houses on isometric...
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Exploring the Night Sky: Summer
Learners explain how moon phases occur. They describe and explain at least two common misconceptions that people have about the moon. Students explain what a star is. They explain 3 ways that the night sky has been used throughout history.
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Objects Race 500
Students explore the concept of "shape affects speed" through a series of experiments. In this physics instructional activity, students participate in an experiment in which various objects are released on an inclined plane. Speed and...
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Introduction to Minerals
Students discover how crystal structures go together to create minerals.  In this earth science instructional activity, students work in groups to create 3-dimensional shapes of crystals that they then put together in a compact...
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Math Challenges
Students engage their critical thinking skills to solve challenging math problems. In these problem solving lessons, student work with tessellations, weights/measurement, reasoning, surface area, geometric shapes, and algebraic procedures.
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Crystals
Students investigate patterns in solids, the structures of crystals and rocks made up of minerals. In this crystals lesson plan, students review solids, make patterns with Styrofoam balls, make crystals in the lab and observe their...
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Move that Tower
Students investigate ways to find the density of irregular shaped objects. In this physics lesson, students calculate density using its mass and volume. They explain why some objects float or sink in water.
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Classroom Planetarium
Students work in groups to create the planets of the solar system.  In this planets lesson, students create a hanging solar system taking into account the size, shape and position of the planets.  Students discuss the gravity...
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Fish Fashion 101
Students explore fish anatomy. In this fish anatomy and adaptation lesson, students define and identify the location of fish body parts. Students add these parts of a fish's anatomy to a life-sized fish costume worn by a student. ...
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New Boxes From Old
Students find the volume and surface area of a rectangular box (e.g., a cereal box), and then figure out how to convert that box into a new, cubical box having the same volume as the original. As they construct the new, cube-shaped box...
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If You Could Fly, Where Would You Go?
Students explore story quilts. In this cross curriculum literacy and art lesson, students listen to the story Tar Beachand discuss the art form of story quilts as used by Faith Ringgold. Students sketch their own "Where Would You Fly?"...
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Equal Parts
In this equal parts worksheet, learners, working with a partner, study, formulate and calculate the answers to six word problems or drawings.
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Math Who Am I?
For this math vocabulary worksheet, learners read each description of a math term and write the word on the blank line. They circle every third letter in each letter box next to the clue to check their answer. They complete 8 definitions.