Curated OER
Ping Pong Vocabulary
Young scholars estimate the size of a sea turtle nest, or clutch, that contains about 120 eggs.  They decide what type of container that they are familiar with that could hold a complete nest or clutch.  Finally, students calculate the...
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Congruent Shapes
First graders view congruent shapes on a white board and define what congruent means.  In this congruent shapes lesson, 1st graders recognize which shapes are congruent and which aren't  Students complete a giant worksheet in...
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Figure This
Second graders identify congruent figures and match shapes using transformation. They work in groups, utilizing a worksheet imbedded in this plan to gain practice identifying congruent shapes.
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Above and Below
In this above/below worksheet, students color shapes that are above or below other shapes, as indicated. A reference web site link in given.
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Slides, Flips and Turns
Third graders are introduced to different types of transformations.  As a class, they describe how a stuffed animal slides across the floor and use themselves to demonstrate as well.  Individually, they flip and turn in different...
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Tessellations
In this tessellations worksheet, 10th graders solve 6 different types of tessellation problems that includes drawing. First, they define polygon, regular polygon, tessellation, regular tessellation, and semi-regular tessellation. Then,...
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Sort It Out and Match It Up
Middle schoolers identify objects that are the same shape and size.  They compare and contrast attributes of two-and three-dimensional objects using appropriate vocabulary.  Pupils justify an extension of a geometric pattern to explain...
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Conservation Station
Second graders, in groups, measure the volume of four containers that vary in shape and size.
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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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Perimeter, Circumference and Area
In this measurement worksheet, students identify the area, perimeter and circumference of a diagram. They also find the size of a pond based on the diagram shown on the sheet. Finally, students calculate how much carpet is needed to be...
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Digging in the Dirt
First graders awareness is raised that not all dirt is the same.  They compare and observe particle sizes in three different kinds of soils.  They keep a record book of what the discover and talk about how some soils are alike and some...
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Multiplying and Dividing Fractions with Post It Notes
Seventh graders experiment with measurement as it relates to the algorithm for dividing fractions. In this fractions lesson, 7th graders work in groups to establish how many post-it notes it takes to fill an 8 X 11 piece of paper. Using...
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Making Rectangles
Students study rectangles. In this math lesson, students use numbers, measurements and geometry to draw rectangles of varying sizes.
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Wind Tunnels
Students build a simple wind tunnel and test out 2 glider wing shapes at different angles of attack. They record their observations and results just as engineers do. There also is a "virtual wind tunnel" they can try to test aerodynamic...
Pennsylvania Department of Education
Seeing Doubles
Pupils work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Pupils represent the correct...
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Baleen Whale Feeding Activity
Learners compare the size of baleen whales to humans. They also assimilate the different feeding methods of baleen filter feeding and gulp feeding whales.
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Congruent Shapes
In this congruent shapes activity, students identify the congruent figures in sets of shapes. One example is completed. A website reference for additional activities is given.
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New Boxes from Old
Ninth graders take a rectangular box (e.g., a cereal box) and cut it up to make a new, cubical box with the same volume as the original. In so doing, they will discover that because the cubical box has less surface area than the...
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Country/State Flip-Book
Learners produce books on a chosen state or country. The pages are cut to be the shape of the area being studied, and students creatively design each page to reflect the information being presented.
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Self-Portraits
Learners use a software drawing program to produce self portraits. They draw using the available tools and matching their features such as eye color and shape. They print the portraits for a classroom display.
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Inclined Plane
Students using clay and a toothpick, shape the clay into a "mountain" upon which they make a road that is the shortest in distance. They measure the length of their road and then make a road that is the longest in distance without...
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Rocky Observations
Students examine two images of rocks, make their own observations of individual rocks through drawing, and explain how the same observation skills can be used in the study of geology.
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Technology: Self-Portraits
Students use Kid Pix to create self-portraits. Using mirrors, they create accurate renditions of themselves on the computer. They print the portraits and display them in the classroom.