CK-12 Foundation
Subtraction of Fractions: Fragmented Fractions
An interactive challenges scholars to subtract mixed numbers. Pupils answer questions—multiple-choice, fill in the blank, and true or false—with help from virtual fraction strips. The practice closes with a discussion.
CK-12 Foundation
Sets: Bikes or Boards?
Do people ride, slide, or do both? Pupils use an interactive Venn diagram for the numbers of people owning bicycles, owning skateboards, or both. An interactive provides questions for them to answer using the diagram.
Curated OER
Angles and Arcs formed by Intersecting Chords
In this angles and arcs worksheet, students complete a warm-up, state the formula formed by intersecting chords, and answer eight problems. The worksheet includes a closing think pair share problem.
Curated OER
Using the Overhead and Algebra to Correctly Guess the Number
In this questing numbers worksheet, learners use algebra equations to discover how the teacher correctly chooses the students' numbers each and every-time. A pencil, key, stamp, yarn, and overhead are needed for this activity.
Physics Classroom
Light Intensity
Light intensity varies by the strength of the light bulb as well as the distance to the light bulb. Pupils apply these concepts independently at first. They must solve for the light intensity as either the distance or the wattage of the...