CK-12 Foundation
Visual Patterns: Building the Queen's Tower
A resource fit for a queen. Scholars recognize and continue a pattern in towers people are building for a queen. They write and use an algebraic expression for the number of tiles in the towers.
Chemistry Collective
Osmotic Pressure: Spontaneous Balloon Popping
Visualize osmosis using an interactive activity. As learners monitor a simulation, they witness the particle movement through the membrane. A balloon represents the cellular membrane and 'pops' as osmosis creates an imbalance of particles.
CK-12 Foundation
Crash
Explore the chemistry behind the airbags that keep you safe in a collision. Using a simulation, your classes find the best gas to use to inflate an airbag. The simulation shows the time it takes to inflate to a maximum volume....
CK-12 Foundation
Function Rules for Input-Output Tables: Function Machine 2
Model function operations using a function machine. An interactive lesson has learners determine the patterns of a double function machine. They use the patterns to write functions and make connections between the inputs and outputs.
Curated OER
Actions in Progress
English language learners will find this practice particularly helpful. They match the sentences to their visual depiction. In the second exercise, they fill in the missing words. They use the sentences in the first activity to discover...
The Alamo
The Alamo Then and Now
The Alamo is one of the most famous buildings from the Texas Revolution. But what does it look like today, and how has it changed? Pupils find out more using different interactive modes, including a split-screen and side-by-side version.
Mr. Nussbaum
Abraham Lincoln Reading Comprehension—Childhood
Who wants to learn about Honest Abe? The reading passage highlights the early life of Abraham Lincoln, detailing his experience as a young boy growing up in Kentucky. Readers read the brief passage and then answer 10 comprehension...
Curated OER
Profit and Loss
In this reading a graph activity, students analyze a graph to determine profit and loss. Students answer comprehension questions about the information in the graph.
Curated OER
Restaurant Income and Expenditure
In this reading a graph instructional activity, students analyze a graph and answer comprehension questions.