Curated OER
Geometry in Tessellations
Students examine tessellations and their geometric properties. Students explore the concept of tessellations and lines, planes, angles, and polygons. Students experiment with the area and perimeter of polygons. Students analyze...
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Making Good Money Choices
Student explore an economic-decision making model to decide where to donate money they have collected. In this philanthropic money lesson, students develop a plan for raising money and then decide how to best spend it for the most...
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Making Good Money Choices
Students identify the needs of their community. In this communities instructional activity, students use a decision-making model worksheet to determine what community service project they should donate to. Students count the money they...
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Law of Cosines
Students model scenarios using functions and their properties. In this trigonometry instructional activity, students calculate the angles of sine, cosine and tangent. They perform operation using a calculator.
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Fish Counting Nursery Rhyme
Students experience The Fish Counting Rhyme. For this counting lesson, students practice counting while listening to The Fish Counting Rhyme.
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Multiplying Decimals and Mixed Numbers
Middle schoolers multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
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Sets an the Venn Diagram
Students explore the characteristics of sets and Venn Diagrams. Given data, students practice determining the placement of elements in a Venn Diagram. Students discuss the correspondence between data sets and their graphical...
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Perimeter
Students examine the concept of perimeter. Students calculate the perimeter of a random shape on a grid. Students develop a better understanding of the concept of perimeter. Students calculate the perimeter of shapes.
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Length, Perimeter, and Area
Students explore the concepts of length, perimeter and area. Students develop an understanding of length, perimeter, and area. Students calculate the area and perimeter of random shapes and calculate the area and perimeter of a triangle...
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Visual Patterns in Tessellations
Students explore tessellations as well as various types of polygon. Students examine tessellating patterns in the world around them. Students examine tessellations by creating their own tessellations and completing the included worksheet.
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Tessellations: Geometry and Symmetry
Students examine tesselllations and their geometric properties. They have a better knowledge of polygons, can identify types of symmetry in tessellations. Also students use visulization, spatial reasoning, and geometric modeling to...
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An Introduction to Quadrilaterals
Students explore different types of quadrilaterals. Students define the terminology used with quadrilaterals. They create particular quadrilaterals based on specific characteristics of the quadrilaterals using an online tool.
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Lines, Rays, Line Segments, and Planes
Young scholars are introduced to lines, rays, line segments and planes. They explore the differences between lines, rays, line segments and planes. Students pracice graphing lines, rays, line segments and planes.
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Stem-and- Leaf Plots
Students are introduce to the notion of stem-and-leaf plots. They use stem-and-leaf plots to calculate the mean, median, and mode of a set of data. Students use computers to learn about stem-and-leaf plots.
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Three Squirrels and a Pile of Nuts
Young scholars solve story problems using a spreadsheet in combination with various problem-solving strategies. Working in teams of three, students create attempt to solve a story problem using three different methods; using...
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Finding Area
Fourth graders explore how to find the area of a rectangular object. As a class, they discuss definition of area and strategies for finding area. The teacher models finding the area of an object by counting squares. Students observe...
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Statistics: Misleading or Accurate?
Learners explore the concept of misleading statistics. In this misleading statistics instructional activity, students play a game of tag and graph the number of times each student gets tagged. Learners use the graph to determine the...
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The Shape of Things
Students create shape booklets. In this interdisciplinary lesson, students practice shape recognition as they participate in a scavenger hunt and create a shape booklet.
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Don’t Sit Under the Apple Tree…You Might Become Famous
Learners explore Newton's laws using CEENBoTs. In this physics lesson, students collect data and create tables and graphs. They calculate speed, acceleration and forces using mathematical formulas.
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Pythagorean Theorem
Students explore how the Pythagorean Theorem works and how to apply it.
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Using An ATM
Students engage in a lesson on how to use an ATM, or Automated Teller Machine. They see how to bank with an ATM and practice banking using several different types of transactions. This lesson includes a teaching worksheet to practice...
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And the Number Is (Second Grade)
Second graders create Mystery Numbers. They give the class clues about the name, value, and multiples of the digits which make up the number.
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Patterns in Pascal's Triangle
Students examine the patterns that exist in Pascal's Triangle. They explore multiples and factors. Sudents use an applet to create and color the multiples in Pascal's Triangle.
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Introduction to Arithmetic and Geometric Sequences
Students examine the concept of sequences. Students create a sequence using varied starting numbers, multipliers, and add on values. Students practice determining the starting values to use in order to produce a desired sequence.