Curated OER
Fraction Magic Squares
In this math worksheet, students investigate the magic squares and fill in the missing values with the fractions. The sheet is intended as a teacher's guide.
Curated OER
Shape Makes a Difference!
Students learn the difference between perimeter and area by watching a video and a hands on activity.
Curated OER
Language Arts: What's My Line?
Students discover how to employ number lines by estimating the number of tiles in a jar. After writing their estimates on sticky notes, they place them in order on a number line mat. Included in the instructional activity are various...
Curated OER
Area and Perimeter of a Square
In this area and perimeter activity, students read the instructions and study the examples to learn how to find the area and perimeter of a square. Students solve 30 problems. This page is intended as an online activity, but may be...
Curated OER
"Geometry With Quilts"
Fifth graders examine the geometry of quilts. They discuss the history of quilting, design two nine-patch squares, exchange one design on an Internet bulletin board, and construct a hot pad that is quilted.
Curated OER
Growing Circles
Students identify the equation to represent a circle. For this algebra lesson, students review properties of conics and how they are related. they use a robot to create a visual of circles and their application to the real world.
Curated OER
Finding Area and Perimeter
In this perimeter and area worksheet, students solve 12 problems in which the area and perimeter of shapes on a grid are calculated. This page is intended to be an online activity, but can be completed on paper.
Curated OER
Geometry: Flip, Turn or Slide?
In this flip, turn or slide worksheet, students determine which has been done to a set of letters written on grids. A reference web site is given for additional activities.
Curated OER
Reflection, Translation and Rotation
In this rotation, reflection and translation worksheet, students look at shapes on a grid and determine what happens to the shape, in order. A reference web site is given for additional activities.
Curated OER
Fuel Cell Experimentation
With rising oil prices and increasing concerns over global warming, the pressure is on for engineers to develop alternative sources of energy. Among the new technologies being developed are hydrogen fuel cells, which young scientists...
University of Colorado
Are All Asteroids' Surfaces the Same Age?
Did you know scientists can tell the age of an asteroid by looking closely at its craters? This final lesson of a six-part series focuses on two asteroids, Gaspra and Ida, in order to demonstrate the concept of dating asteroids. Scholars...
Curated OER
Graphing Coordinates
Sixth graders practice graphing coordinates. In this geometry instructional activity, they use the x and y axis to locate points that must be connected in the right sequence to form a straight line.
Curated OER
Robot Area
Students calculate the area of different polygons. In this geometry lesson, students explore polygons based in their shape and number of sides. They find the formula for the area and use each specific formula for each shape.
Curated OER
Solutions, Solutions, Could it Be?
Students graph and solve linear system of equations. In this algebra lesson, students use algebraic and graphing methods to solve their systems. They find the point of intersection for their solution and draw inference from their data.
Curated OER
Investigating Pythagorean Triples
Students investigate and solve Pythagorean triples. In this geometry lesson, students find the missing sides and angles of a right triangle. They graph right triangles and move the sides around to create different angles.
Curated OER
Investigating the Pythagorean Triples
Students investigate the Pythagorean triples. In this geometry lesson plan, students solve for different parts of a right triangle. They identify the missing side or angle using the pythagorean theorem.
Curated OER
Polygon Quilt
Students participate in a game with different types of polygons. They use triangles to create as many polygons as possible. They also review their colors by having different polygons be a different color.
Curated OER
Probability: The Study of Chance
Students practice the basic principles of probability by conducting an experiment, determining if a game is fair, collecting data, interpreting data, displaying data, conducting analysis, and stating and applying the rule for probability.
Curated OER
A Point of Intersection
Students factor and solve systems of equation. In this algebra lesson, students identify the point of intersection using substitution, elimination and graphing. They write an equation given a system and a graph.
Curated OER
Relating Fractions, Decimals, and Percents
Fifth graders participate in a lesson that is concerned with the concept of telling the differences between a fraction, decimal, and percent. There is a good example of conversion in the lesson.
Curated OER
Introduction to Slope Fields
Students plot slope fields. In this introduction to slope fields lesson, students plot 12 slope fields for given differential equations.
Curated OER
Using Square Tiles to Investigate Numbers
Fifth graders model and distinguish between prime and composite numbers. Students are paired up with another classmate to complete this lesson. Students are assigned different numbers to work with, they use square tiles to form as many...
Curated OER
Cookie Mining
Young scholars investigate mining and economics. In this mining lesson, students play a game in which they purchase property, mine the property, and pay for reclamation. Young scholars earn money for each ore mined.