CK-12 Foundation
Percent of Change: The Pizza Conundrum
Nine questions—multiple choice and fill in the blank—challenge mathematicians to solve money word problems. Looking closely at prices, scholars use a formula to identify percent increases and decreases based on an original and new price....
NASA
Resolving 2-Plane Traffic Conflicts by Changing Speed—Problem Set E
What do you do to change arrival times of airplanes when a different route is not available? The fifth interactive in a series of six presents problems where pupils must find solutions to conflicts of safety rules. They must decide how...
Curated OER
My Test Book: Calculating Percents
In this online interactive math skills worksheet, learners solve 10 multiple choice math problems that require them to calculate percents. Students may view the correct answers.
PBS
The Lowdown — Poverty Trends: What Does It Mean to Be Poor in America?
Here's a resource that's rich with learning opportunities. Future mathematicians investigate the poverty rate in America over time. They use an interactive to compare the poverty rate during the Great Recession of 2008 to other years,...
Curated OER
Percent/Percentage Word Problems (Part 3)
In this Algebra I worksheet, 9th graders solve percent application problems, including percent of increase and decrease. The one page interactive worksheet contains seven problems. Answers and a hint are provided.
Curated OER
Special Diodes
In this electrical circuit instructional activity, students draw a schematic design and build a circuit board to grasp the understanding of diodes. Students answer a series of 8 open-ended questions. This instructional activity is...
Curated OER
Bipolar Junction Transistor Theory
For this electrical worksheet, students draw a schematic design and build a bipolar transistor to grasp the understanding of bipolar junction transistor theory before answering a series of 28 open-ended questions. Students analyze...
Curated OER
Class B BJT Amplifiers
In this electrical circuit worksheet, students draw a schematic design and build a transmitter to grasp the understanding of bipolar junction transmitters before answering a series of 12 open-ended questions by analyzing schematic...
Curated OER
JFET amplifiers
In this worksheet, students answer 15 questions as they build and analyze circuits. Students may check answers if working online.
Curated OER
Differential Transistor Amplifiers
In this electrical worksheet, students draw a schematic design and build a circuit board to grasp the understanding of differential transistor amplifiers before answering a series of 19 open-ended questions. Students analyze schematic...