Interactive
CK-12 Foundation

Adding and Subtracting Matrices: The Matrix Calculator

For Students 10th - 12th Standards
Discover the procedure to add and subtract matrices. Pupils use the interactive and discover the pattern in adding and subtracting matrices. Scholars adjust the entries in the addends and see the resulting changes in the sum. They also...
Lesson Plan
Curated OER

Maths with the Mob - Aboriginal Culture

For Teachers K - 4th
Students read and discuss books about aboriginal family life. Working individually and in groups, they complete a series of activities in various subject areas, including art, language, math, and social studies. Among the activities ...
Lesson Plan
Curated OER

Patchwork Math

For Teachers 3rd - 5th
Students recognize and identify shapes in their environment. They investigate why objects can be composed of several different shapes. They follow a pattern to recreate designs using various shapes.
Worksheet
Curated OER

Differences in amounts

For Students 5th - 10th
In this differences in amounts worksheet, students solve word problems where they figure out differences of amounts of two and three digit numbers. Students complete 10 multiple choice questions.
Lesson Plan
Curated OER

Circles in the Landscape: Irrigating Oklahoma Crops

For Teachers 6th - 8th Standards
How do you grow crops in a area with insufficient rainfall? Why you irrigate, of course. Class members investigate irrigation systems by designing a system of their own. After examining irrigation related concepts, vocabulary terms, and...
Unit Plan
Radford University

How to Build a Happy Home

For Students 9th - 12th Standards
Build a complete house in just a few days. Learners create floor, roof, deck, and landscape plans for a two-story house. Scholars then use their knowledge of area formulas, trigonometric ratios, and the Pythagorean Theorem to determine...
Interactive
Arcademics

Martian Hoverboards

For Students 5th - 6th Standards
Float across the Martian landscape. Using an online game, learners participate in teams to propel their hoverboards in a race across the surface of Mars. By correctly evaluating a numerical expression involving parentheses, individuals...
Lesson Plan
Curated OER

In Search of Ethnic Identity in Selected Narratives: New Reading, New Meaning

For Teachers 6th - 8th
Students read texts reflecting multiple cultural perspectives. 
Lesson Plan
Curated OER

We Are Reflections of Canada - Our People, Our Places, And Our Landscape

For Teachers 6th
Sixth graders discover that they are active participants in Canadian culture. They engage in investigation of the past and various symbols of Canada. They explore their concept of culture and demonstrate an understanding of culture...
Interactive
CK-12 Foundation

Tangent Graphs: Slope and Angle

For Students 10th - 12th Standards
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...
Interactive
CK-12 Foundation

Identify Accurate Drawings of Triangles: Law of Cosines

For Students 10th - 12th Standards
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.
Lesson Plan
Curated OER

Geometry In the Yard

For Teachers 5th - 7th
Learners are responsible for creating a border around a triangular garden spot, of which they know the measurements for two sides. They use the Pythagorean Theorem to calculate the third side and complete the garden.
Interactive
CK-12 Foundation

Exponential Decay: Cool Sunglasses

For Students 10th - 12th Standards
Who wouldn't want to wear four pairs of sunglasses? Each pair of sunglasses reduces the percent of incoming light by one-half. An interactive tutorial helps young mathematicians build a graph that models this scenario. They...
Interactive
CK-12 Foundation

Direct Variation: Value of a Painting

For Students 9th - 12th Standards
Help your pupils find a pattern of direct variation. Young scholars use input-output pairs to find a constant of variation and then write the equation. As they build their equations, the interactive lesson provides feedback.
Interactive
CK-12 Foundation

Using Quadratic Equations to Solve Problems: Construct a Soccer Field

For Students 8th - 10th Standards
Build a soccer field through a little mathematical analysis. Individuals manipulate the dimensions of a soccer field as they drag points to new positions. The simulation shows the corresponding intercepts and area. As pupils explore the...
Interactive
CK-12 Foundation

Solving Problems by Factoring: Building a Doghouse

For Students 8th - 10th Standards
Building a doghouse is easier with a little mathematical help! Young scholars use sliders to adjust the length of the doghouse and watch as it affects the width and area. They then answer questions that help them discover the question...
Interactive
CK-12 Foundation

Functions that Describe Situations: Manny's Mang-o-gurt

For Students 6th - 8th Standards
How much does it cost to add more mangos? An interactive allows users to see how the price of frozen yogurt changes based on the number of scoops and the number of slices of mango. Learners then answer a set of challenge questions...
Interactive
CK-12 Foundation

Two-Step Equations with Subtraction and Multiplication: Cupcake Equation

For Students 7th - 9th Standards
Solving equations is a piece of cake. Young mathematicians use an interactive to create a bar model to representing a situation involving cupcakes. They use the model to solve for the cost of a cupcake.
Interactive
CK-12 Foundation

Checking Solutions to Inequalities: Ordering Roses

For Students 8th - 11th
It's important to have the correct number of flower arrangements at a wedding. Scholars match an inequality and a graph given a situation involving roses for wedding receptions. A set of challenge questions checks the matching pairs.
Interactive
CK-12 Foundation

Division of Decimals by Whole Numbers: Lemonade Stand

For Students 6th Standards
After a full day of selling lemonade, three friends split the cost of the profit money. If the total profit was $34.20, how much will each friend get?
Interactive
CK-12 Foundation

Properties of Rational Numbers: Lollipop Trees

For Students 6th - 8th Standards
A six-question interactive takes mathematicians to Lollipop Land where they manipulate lollipop trees to make equivalent ratios.  Question types include multiple-choice, true or false, and a discussion. 
Interactive
CK-12 Foundation

Sex-Linked Inheritance

For Students 6th - 8th Standards
Sex-linked traits indicate a gene's location on a specific chromosome. Scholars learn about sex-linked traits and the specifics behind color blindness in the videos. Then they complete the online interactive to apply their knowledge...
Lesson Plan
Curated OER

Excel

For Teachers 9th - 11th
In this technology worksheet, learners are taught how to create documents using Excel. They follow the directions on a handout to help them create documents. They print their final work and submit it.
Lesson Plan
Curated OER

Co-ordinates

For Teachers 4th - 8th
In this co-ordinates worksheet, students draw buildings following directions to drawing and connecting co-ordinates on graph paper. Students complete 4 drawings.