Curated OER
Angles: Angles, Angles, Everywhere
Students practice estiminating and measuring angles. After watching a short video, they identify angles in objects in the classroom and their homes. In groups, they participate in activities in which they are given a scenerio and are...
Curated OER
Secants, Tangents and Arcs
Students identify chords and angles. For this geometry lesson, students calculate the length of the chords inside and outside of-the circle. They differentiate between tangent and secant lines.
Curated OER
Perpendicular Segments in a Circle
High schoolers explore the concept of circles as they construct a circle using a program such as Cabri Jr. Learners construct a chord and a diameter that are perpendicular, then measure the bisected chord and notice that both sides of...
Curated OER
Investigating Segments in a Right Triangle
High schoolers explore the concept of right triangles as they construct a right triangle using Cabri Jr. Learners find the midpoint of the hypotenuse and construct a line from the midpoint to the vertex of the right angle. They then...
Curated OER
Chemistry Lab-Molar Volume of Gas
Students determine the molar volume of hydrogen gas. In this molar volume lesson plan, students find the molar volume of hydrogen produced in a reaction between magnesium and hydrochloric acid. They use a eudiometer to measure the volume...
Curated OER
Scale Model of Our Nearest Stars
Sixth graders calculate a light day, light hour, and light minute from the standard of a light year. After establishing the distances, a one meter scale is created to demonstrate the distance between the sun and the planets of our solar...
Curated OER
Congruent Trianges - Is This Enough Information?
Seventh graders determine whether two triangles are congruent and provide an explanation to why they are not. They apply concepts of measurement of angles and collect evidence of congruent angles in the world.
Curated OER
Properties of Parallelograms
High schoolers discover properties of parallelograms as they construct a parallelogram using Cabri Jr. They will measure angles and side lengths of their construction and determine the relationship between the diagonals of a...
Curated OER
Woody Sine
Students explore the concept of sine. In this sine lesson, students create a sine graph from tooth picks. Students create a unit circle with tooth pick length radius. Students then take the tooth picks from the unit circle and put them...
Curated OER
An Introduction to Chemistry
In this chemistry worksheet, students solve 47 problems involving measurement conversions from one unit to another. They explain how values should be reported from measurements.
Curated OER
Geometry: Calculating Perimeters
In this perimeter worksheet, students find the perimeter of 3 polygons. Students find the perimeter of irregular polygons given various side lengths.
Curated OER
Which Quadrilateral Is It?
Students prove conjectures about geometric figures on the plane or in space using coordinate geometry. They develop fluency in operations with real numbers, vectors and matrices using mental computation or paper-and-pencil calculations...
Discovery Science Center
Kindergarten Observing, Comparing and Contrasting
Although this is a science lesson, it can be adapted to help meet Common Core standards in math as well. Starting scientists describe physical properties of objects and explore three forms of water. To address the Common Core, they can...
Curated OER
Cooking Cranberry Pudding
Young scholars explore colonial cooking. In this cross curriculum George Washington and colonial America history lesson, students follow a recipe for cranberry pudding, a possible favorite of George and Martha Washington. Young scholars...
Curated OER
Polygon Perimeters
Fourth graders practice finding the perimeter of shapes. In this measurement lesson, 4th graders review the meaning of perimeter and work in groups to draw polygons with differing perimeters. Students share their polygons with the class.
Curated OER
Seasoning the School Year
Students observe the changes a class tree goes through as the seasons change and record observations in journals. They investigate changes in the weather, changes in the length of the day, and how that affects people. They create...
Curated OER
Balloon Rocket Race Track
Students discuss "How can we measure (or make it easier to record) the speed, distance or acceleration of the balloon?" They told that they are going to make a balloon racetrack. Pupils use meter sticks to accurately measure length and...
Curated OER
SI Prefixes and Mass
In this SI prefixes and mass activity, learners are given measurements of mass and they covert to the given measurement by moving the decimal the proper number of places to the left or right.
Texas Instruments
Investigating Segments in a Quadrilateral
Investigate the properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral. In this properties of the shape formed by connecting the midpoints of adjacent sides of a quadrilateral lesson, young...
Curated OER
Integrate Algebra Regents Exam Bimodal Questions Worksheet #1
In this Integrated Algebra worksheet, students solve problems that reflect the topics covered during the course of work. The answer key identifies each question by standard and topic. The twenty-four page worksheet contains two...
Curated OER
Proportions
Middle schoolers perform mathematical operations to create proportional measurements, after listening to the David Schwartz book, If You Hopped Like a Frog.
Math Mammoth
Triangles
A six-page packet walks, or bends learners through angles that combine to create triangles. Definitions are given for right triangles, obtuse and acute triangles. They draw angles according to directions, using a protractor to meet the...
Curated OER
A Geometry Worksheet - Similar Triangles
In this similar triangles worksheet, students find the scale factor of 6 sets of similar triangles. Students find the scale factor of two similar triangles given a sketch with measurements. Students use proportions to find a missing side...
Curated OER
Investigating Area Relationships
Learners investigate the area of various figures. They construct triangles and quadrilaterals using Cabri Jr. and discuss the relationships between different angles, side lengths, and figures.