Curated OER
Interactive Fractions
Middle schoolers determine the common denominator of two unlike fractions. They practice adding fractions and finding equivalent fractions of numbers. They compare and contrast different types of equations involving fractions and...
Curated OER
Exploring Roman Numerals
Pupils investigate the values of a variety of Roman Numerals and compare and contrast the patterns with Arabic numbers. The application, "Numerus" is utilized to lead students through the lesson.
Curated OER
Matrices at the Speed of Light!
Perform operations using matrices in this algebra lesson. Middle schoolers add, subtract, and multiply matrices. Additionally, they solve systems of equations using matrices.
Curated OER
Growing, Growing, Gone
Budding mathematicians identify growing patterns in numbers and songs then create their own patterns. They look at number patterns and language patterns and then create their own using money and footprints.
Curated OER
Stressed and Strained
Pupils explore stress and strength in engineering design. In this engineering lesson, students become familiar with terminology associated with stress and strain on building material. They will have a class discuss about how their beam...
Curated OER
Frame Yourself
Young ratio masters calculate and cut a frame (out of poster board) to accurately create an even frame around a picture of themselves. The frame needs to be proportional to the picture with constraints determined by the instructor.
Curated OER
Measuring Objects in the Classroom
Third graders use ruler and tapes to measure classroom objects. After discussing measurement tools, have students complete sentences stating what they would use to measure various objects. Later in the computer lab, they type their...
Curated OER
Student Costs Data Table
Learners compare and contrast two routes selected for a virtual field trip. They create a data table of educational activities, lodging, and meal costs using Microsoft Excel software.
Curated OER
Virtual Field Trip
Are we there yet? Young trip planners learn about their state and plan a trip. They will select sites to see in three cities in their state, and record associated costs in a spreadsheet. While this was originally designed as a...
Curated OER
Shapes from Shapes
Geometric shapes are really cool. Examine triangles, quadrilaterals, trapezoids, rhombuses, parallelograms, pentagons, and hexagons with your class. They draw large shapes and small shapes then compare them to understand their shapely...
CK-12 Foundation
Evaluation of Square Roots
Think outside the box and use an engaging, interactive app that shows the relationship between square roots and squares using an actual square. Pupils find that moving a slider increases the side length of a square and its associated area.
CK-12 Foundation
Simplification of Radical Expressions: Richter Scale Exponents
Shake up your lessons with with a radical resource. Scholars use a slider to view the Richter scale magnitude and amplitude of historical earthquakes. They use powers of 10 to compare the amplitudes of different earthquakes.
CK-12 Foundation
Tangent Graphs: Slope and Angle
Learning about tangents doesn't have to be a slippery slope. Pupils drag a point around a unit circle to see how angle affects the slope of a line. They individually answer a set of challenge questions to come to the conclusion that...
CK-12 Foundation
Identify Accurate Drawings of Triangles: Law of Cosines
Drawing triangles is easy, even if you have to calculate the exact length of its sides. Scholars use the Law of Cosines to find missing sides of triangles. An interactive helps them check their answers.
CK-12 Foundation
Fundamental Trigonometric Identities: Tangent Identity
An identity that thieves can't steal the tangent identity. Scholars manipulate ratios to investigate the tangent ratio and connect it to the sine and cosine ratios. An interactive that uses color coding helps with this task.
CK-12 Foundation
Finding Exact Trigonometric Values Using Double Angle Identities: Trig Values Using Double and Half Angle Formulas
The more you know, the more you can learn. Scholars apply the double angle and half angle formulas to determine trig values based on known values. They use an interactive that provides sine and cosine values to aid calculations.
CK-12 Foundation
Half Angle Formulas: Half-Angle Formulas
Slide the resource into your lesson plans. Young mathematicians use a slider to move a movie screen to the right position for optimal viewing. Along the way, they learn to apply the half angle formulas.
CK-12 Foundation
Angle-Side-Angle Triangles: Caution Tape
Don't lose your marbles. Scholars use an interactive to create a triangle that closes off a portion of a sidewalk with loose marbles. The Law of Sines helps them find the side measures of such a triangle.
Science Matters
Volcano Models
More than 80 percent of the earth's surface originated from volcanoes. The 16th lesson in a 20-part series introduces the shape and development of volcanoes. It begins with a demonstration using a balloon and flour to illustrate the...
Baylor College
Greenhouse S'Mores
Your class will agree that this is the best way to demonstrate the greenhouse effect: making solar s'mores! Using a clear plastic cups as mini atmospheres, lab groups compare how adding different materials affects the melting rate of...
Curated OER
Creating a Bar Graph Using a Spreadsheet: Dice Rolling Probabilities
Tenth graders explore the concept of spreadsheets. They create a simple spreadsheet and chart from given data. Students perform basic formatting procedures on their chart. They use spreadsheet functions to perform calculations.
Curated OER
All Shapes and Sizes
Sixth graders recognize international paper formats, especially the A series
Carry out practical measuring tasks on sheets of paper and Find patterns in the lengths of the sides of standard paper formats. They use patterns relating to...
Curated OER
Spreadsheet Activity
Students create a spreadsheet to match a given sample. This includes adjusting column width and row height, changing alignment, changing size and style of print, changing number format.
Curated OER
Solving Systems of Equations by graphing for Algebra One
Students watch the teacher demonstrate on an overhead projector how to graph various equations before the students try them on their own. They start with pencil and paper; once they grasp the concept they move on to punching in the...