Math Mammoth
Problems with Ratios
In this math worksheet, students compare four sets of ratios. They solve four proportions. Students use proportions and ratios to solve four word problems.
Carnegie Mellon University
Consumer Preferences in Lighting
What is a watt? This tongue-twisting, mind-bending question and others are answered through this instructional activity on the different lighting options available. With the support of a PowerPoint, teach your physical science class...
Curated OER
Energy in the Home
In this energy use worksheet, students read about kilowatts and solve 2 problems. They find the costs to run certain electrical items for a given amount of time and they determine the electricity consumption of an accelerator that runs...
Curated OER
Saving Money Through Mathematics
Third graders discuss light sources and collect data about energy sources. They compare data and create a multiple line graph showing energy used by light sources for each student in the group. They present their graphs and write a...
Curated OER
Unit Conversions III
In this unit conversions instructional activity, learners solve 13 problems using given conversion factors to convert measurements from one unit of measurement to another.