Utah Education Network (UEN)
Finding Slope of a Line from Graphs, Tables, and Ordered Pairs
Middle schoolers explore the concept of slope in numerous ways and start to look at simple linear equations. They describe the slope in a variety of ways such as the steepness of a line, developing a ratio, using graphs, using similar...
Texas Instruments
Is It or Isn't It Proportional
How can you tell if number relationships are proportional? Mathematicians investigate proportional relationships. They compare and contrast functions and graphs to determine the characteristics of proportional relationships, as well as...
K20 LEARN
Are We Golden?
Lead your class on a search for precious bones. Using a presentation, the class investigates the golden ratio in art and nature. Groups of pupils measure specific bones and find the average ratio for the class. To further cement the...
Bonneville
Solar Energy
Put the infinite power of the sun to good use. Young scientists learn about solar energy by completing a challenging project. They imagine that they are in charge of planning a solar panel array for a building and must decide where to...
Bonneville
Home Energy Audit
Reduce energy consumption and save some money at the same time! The third of seven installments in the A Community Powered by Renewable Energy unit focuses on energy use in the home. Learners investigate the energy needs of small and...
Bonneville
Using a Multimeter to Analyze a Solar Circuit: Measuring Current and Voltage—Calculating Power and Resistance
Power to the people who understand electricity. A simple experiment teaches pupils how to set up an electric circuit that includes a solar module and how to measure voltage and current using a multimeter. They calculate power and...
Bonneville
Circuit Analysis With Solar Energy: Measure the Power Consumed by Various Devices
Power up the class with a lesson on electronics. Scholars use a solar module to create an electric circuit. They connect different devices to the circuit and measure the voltage and current. Based on the measurements, they calculate the...
Gfletchy
Thumbs on Fire
How fast are those thumbs? Pupils view a short video showing a person typing out a text message in a speed challenge. They use the information they can glean from the video to estimate the number of seconds it will take to completely...
Under the Dome
The Fastest
The cheetah is faster than Bolt. Class members watch a video of a cheetah and Usain Bolt run at record breaking speeds. The pupils come up with questions about the video. When asked, the teacher provides information relative to the...
National Academy of Sciences
Lights at Night Webquest
Help learners find ways to become more efficient energy consumers. To start, individuals research how different countries address energy efficiency and then analyze their own carbon footprint. They use their research to identify ways to...
New Mexico State University
Ratio Rumble
Develop a potion of ratios. Learners play a matching game to make potions that follow a recipe. Pupils create equivalent ratios to make multiple recipes at a given time. As levels increase, ratios get more difficult, as they include...
CK-12 Foundation
Properties of Rational Numbers: Lollipop Trees
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.
CK-12 Foundation
Proportions Using Cross-Multiplication: Proportions Using Cross Product
Don't get it crossed—the resource is a great one. Scholars read and watch a video that explains proportions and cross products. They then use an interactive to determine that cross products are equal and answer a set of challenge...
PHET
Proportion Playground
Ratios are all around you. A fun interactive has scholars investigate ratios and proportions in different situations. These include creating bracelets with different ratios of beads, mixing paint, adjusting the length and width of a...
CCSS Math Activities
Smarter Balanced Sample Items: 7th Grade Math – Claim 3
Does the explanation make sense? Sample items highlight claim three, communicating reason, in the Smarter Balanced assessments. Teachers use the 16 items to help show pupils the importance of communication and reasoning within...
CCSS Math Activities
Smarter Balanced Sample Items: 7th Grade Math – Target A
How do you know if your pupils have a deep understanding of proportional relationships? Assessment is key! A helpful series starts with questions on proportional relationships modeled after the Smarter Balanced Assessment items....
PBS
Atlantean Dodgeball
Which team has the advantage? An imaginary story about a game of dodgeball in the lost city of Atlantis demonstrates the ways to compare two quantities. One coach compares the ratios of the numbers of players on each team while the other...
PBS
KidVid: Scaling Up Rectangles
Tip the scale in your favor when learning about scale factors. After viewing a video clip of a learner trying to determine the scale factor of the areas of two rectangles, scholars consider how changing the dimensions of a rectangle...
PBS
KidVid: Equivalent Ratios
There's no equivalent to this interactive. To learn about equivalent ratios, scholars first watch a video of a pupil trying to find an equivalent ratio. They consider whether the pupil is correct and explain their reasoning. Then, they...
PBS
Super Bear: Comparing Mass
A super bear is a whole lot of gummy bear. Scholars hone their estimation skills by completing an activity. Given the masses of a mini gummy bear and a regular gummy bear, they must determine the number of each needed to have the same...
PBS
Math with Jake: Frequencies and Pitch
Be an octave above the rest. A musician explains how to write music in different time signatures. An interesting resource continues to demonstrate ratios using the pitch of musical notes and hertz. Pupils use a pitch table and determine...
PBS
Math with Jake: Transposition Using Ratios
The star of the show is ratios. The informative resource explains how to transpose music using ratios. Individuals transpose the song "Twinkle, Twinkle" in the activity by applying their ratio skills. The activity challenges class...
PBS
The Lowdown — U.S. Gun Homicides: Visualizing the Numbers
Is gun violence a big issue in America? Pupils explore gun deaths by type, race, and age group in a Math at the Core: Ratios interactive. The class tries to determine whether America is a safe place to live and use bar graphs and pie...
PBS
Human Tree: Ratios
Create a personal tree. By visiting an exhibit at the National Museum of Mathematics, the resource introduces the idea of fractals. The exhibit takes an image of the person and creates a tree by repeating scaled images on the shoulders...