Curated OER
Three-Digit Addition and Subtraction With Regrouping
Second graders access prior knowledge of addition and subtraction using two-digit numbers and calculate easily with them. In this three-digit addition lesson, 2nd graders learn to add and subtract three-digit numbers with and without...
Curated OER
Problem Solving - A Part of Everyday Thinking
Students master the process of applying critical thinking to each and every problem/task that confronts them in their daily undertakings. Further, this activity can serve as a base reference and model for other problems that may arise.
Curated OER
Channel Catfish
Students study the life and biology of the Channel Catfish. In this aquatic biology activity, students will examine the external and internal features of the catfish along with their breeding habits and environment. This activity...
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Relating Division and Subtraction
Third graders relate the process of division to subtracting equal groups. Through guided practice and teacher demonstration, they complete division problems using a subtraction method. Students complete problems independently for...
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Ecology - Biodiversity Lab
Studnents examine the degree of biodiversity that exists in one's everyday environment, in order to develop an understanding of how scientists classify organisms and to explain why biodiversity is important for living things.
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Vertical Tower
In this trigonometry worksheet, 11th graders are given a tower built by different angles and asked to prove the sides are true using the theorems of trig angles. There are 3 questions with an answer key.
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Vertical Tower 2
In this trigonometry worksheet, students prove that for the given conditions of the problem that cos y = cos2 x. The one page worksheet contains one problem with the solution.
Curated OER
Equivalent forms of Fractions
Fourth graders use kidspiration software to demonstrate understanding of the concept of equivalent fractions. Using a combination of manipulatives, computer software and writing teachers can easily assess student mastery of number sense.
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Using Calculators And Spreadsheets
Students discuss the advantages of using calculators and spreadsheets in balancing checkbooks. They also identify the pros and cons of using these tools in adult education classrooms.
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A Recipe for Reading: Asian Style Rice and Eggs
Learners read, write about, and cook with rice in this home economics instructional activity. They reflect on the experience eating rice at home or in other ethnic foods.
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Number Families
First graders examine the relationship between numbers and number families. They listen to the poem "Kangaroo and Toad" by Shel Silverstein and create a list of the largest animals they can think of. Students then order the animals...
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Write Decimals as Fractions
In this decimals to fractions worksheet, students solve a total of 10 problems, writing decimal numbers given as fractions. A reference web site for additional activities is given.
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Explore the Elements of Art
Students recognize elements of art such as texture, shape line and color. In this elements of art instructional activity, students create a still life picture with oil pastel or crayons. Students define elements of art...
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That's So Square
Students familiarize themselves with the three most common geometric shapes: circles, triangles and parallelograms. They sketch, sort, and name the shapes.
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Ideas That Lead to Probability
Students explore and define the concept of probability. They utilize a random number generator to determine the fairness of a game. Internet and printable versions fo the activities are included.
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Place Value Bingo
Learners identify the place value of numbers from 1-10,000. For this place value lesson, students play a bingo game with place value. Learners answer questions about place value on a worksheet.
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Tantalizing Tessellations Lesson III: Creating a Slide Translation
Young scholars explore tessellations and the artwork of M.C. Escher. They view and discuss a video about M.C. Escher, create a slide template out of cardboard, and create a poster with their tessellation pattern.
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Functions and the Vertical Line Test
Learners examine functions and function notation. They use computer activities to discover how to graph functions, and conduct a vertical line test. Students describe spatial relationships using coordinate geometry.
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Geography Journey
Fourth graders examine the geographic features that define places and regions and answer questions about the state of California. They discuss the components of a map legend and answer worksheet questions using a map of California as a...
Texas Instruments
Making Predictions Using Systems of Equations
Students explore the concept of systems of equations. In this system of equations lesson, students enter data into lists on their calculators about 100 meter dash times. Students plot the points using a scatter plot and perform a linear...
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Angles, Triangles, Quadrilaterals, Circles and Related
Middle schoolers classify angles. For this angles lesson, students explore the characteristics of angles, triangles, quadrilaterals and circles. They identify polygons and sing a classifying angles song. Middle schoolers participate...
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Aloha Symmetry
Students create handcrafted paper Hawaiian quilt squares. They do this to show the concept of symmetry across two lines of reflection.
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Geometric Angles
Learners explore angles and their use in Geometry. Students investigate three different kinds of angles: obtuse, acute, and right angles through an online activity. They identify pairs of angles with special relationships: vertical,...
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Pizza Party
Students explore the concept of fractions through use of hands on activity. In this lesson about fractions, students will work together in small groups with a round piece of paper, or pizza, and cut the pizza into pieces. Students will...