Refine Your Results

Now... gain access to over 2 Million curated educational videos and 500,000 educator reviews to free & open educational resources

Get a 10 Day Free Trial

960 resources with the concept ratios

+
Lesson Planet: Curated OER

Dilations in the Plane

For Teachers 9th - 12th Standards
Tenth graders investigate dilations and explore the dilation transformation before investigating the properties of a dilation using Cabri Jr. Students extend the concept of dilatation to the coordinate plane.
+
9:56
Lesson Planet: Curated OER

SAT Prep: Test 7 Section 5 Part 4

For Students 9th - 12th
Transitioning between algebra and geometry is no problem for Sal as he deftly solves these practice SAT problems. Mathematicians who have a hard time moving between skill sets will appreciate the way that Sal addresses each new problem...
+
Lesson Planet: Curated OER

Lunch Food? Mmmm! Mmmm! Good!

For Teachers 7th - 12th
Examine how nutrition plays an important role in our lives by conducting online research and developing lunch menus that satisfy nutritional requirements set up by the United States Department of Agriculture. Students download recipes,...
+
Lesson Planet: Curated OER

Are We Golden?

For Teachers 6th - 7th Standards
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...
+
2
In 2 Collections
14:57
Lesson Planet: Curated OER

Similar Figures

For Students 9th - 12th Standards
Use some similar problems to find side lengths. Pupils learn the definition of similar figures and how it relates to corresponding angles and sides. Using the definition, individuals calculate the lengths of missing sides and practice...
+
1
In 1 Collection
Lesson Planet: Curated OER

Miniature Gulf Coast Project

For Teachers 6th - 8th Standards
Scholars show what they know about data collection and analysis with an activity that examines a smaller population of Houghton, Texas. Independently or in pairs, learners identify their research question, gather, graph, and analyze...
+
Lesson Planet: Curated OER

Ratio Relations

For Students 6th Standards
At this rate, the class will be experts on ratios and rates in no time. A class workbook teaches individuals about ratio language, how to use tables and tape diagrams to find equivalent ratios, and how to solve ratio problems. They then...
+
1
In 1 Collection
Lesson Planet: Curated OER

Electrical Energy and Solar Module Efficiency

For Teachers 7th - 12th Standards
It's much more efficient if everyone knows the relevant terms. Pupils research vocabulary terms related to electric currents to start a unit on solar energy. They then use a multimeter to measure the voltage and current for a solar...
+
Lesson Planet: Curated OER

The Clapper

For Students 6th Standards
Give a round of applause for completing the task. Scholars watch a video that shows an extremely fast clapper and a timer. The activity requires applying concepts of rates and proportional reasoning to estimate the number of claps in one...
+
Lesson Planet: Curated OER

Rope Jumper

For Students 6th Standards
Jump at the chance to use the idea of rates. Young mathematicians watch part of a clip of a Japanese TV show where a contestant jumps rope as fast as possible. They use the data for the number of jumps and the number of seconds shown in...
+
Lesson Planet: Curated OER

Thumbs on Fire

For Students 7th Standards
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...
+
Lesson Planet: Curated OER

Snack Mix

For Students 6th Standards
Create a snacking recipe. Pupils develop a question after watching a video of the making of a snack. Learners come to an estimation of an answer to their question. The teacher provides additional information about the recipe as needed...
+
Lesson Planet: Curated OER

Taxi Cabs

For Teachers 6th - 8th Standards
Determine the cheapest way to the airport. Pupils read a scenario about trying to get 75 people to the airport using two different sizes of taxis. Learners calculate the number of smaller taxis needed given a number of large taxis and...
+
Lesson Planet: Curated OER

Ice Cream

For Teachers 6th - 8th Standards
Make sure there is enough ice cream on hand. Learners try to find out how much ice cream to buy for a sports event. Scholars use a pie chart showing the percent of a sample of people who like different flavors of ice cream. Using the...
+
Lesson Planet: Curated OER

Ratio Stadium

For Students 3rd - 5th Standards
Bike to master ratio basics. Learners propel their motorbikes around the track by identifying equivalent ratios. Each correct response provides a boost to the bike, while incorrect answers slow it down.
+
Lesson Planet: Curated OER

Ratio Blaster

For Students 3rd - 6th Standards
Shoot the equivalence before it gets you. Individuals practice determining equivalent ratios in six levels in an online interactive. Scholars shoot down the invaders before they reach the planet by identifying an equivalent ratio to the...
+
Lesson Planet: Curated OER

Ratio Martian

For Students 3rd - 5th Standards
Identify the correct ratios for food. Pupils play a six-level online game to practice identifying ratios. Learners see ratios in several forms mixed in with non-ratio quantities. Individuals click on each ratio to feed the hungry martian...
+
1:55
Lesson Planet: Curated OER

Expressing One Quantity as a Fraction of Another

For Students 6th - 12th Standards
It turns out that fractions can be useful after all. Scholars watch a brief video that shows how to express a quantity as a fraction of another. In particular, the video looks at situations where part-to-whole relationships can be...
+
Lesson Planet: Curated OER

Ratio Rumble

For Students 6th - 7th Standards
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...
+
2:54
Lesson Planet: Curated OER

Ratey the Math Cat

For Students 6th - 8th Standards
Find a perfect way to recognize rates. The class first watches a video that emphasizes the word per when referencing a rate. Pupils then use their knowledge to create their own rates via station activities. Finally, individuals use...
+
Lesson Planet: Curated OER

How Do I Design a Raised Bed Garden to Accommodate My Plants?

For Teachers 7th - 12th Standards
Give plants the best place to grow. Given constraints on plant spacing, pupils design a raised bed garden using graph paper, then calculate the perimeter, surface area, and volume. They use the provided costs of lumber and soil to...
+
Lesson Planet: Curated OER

Movie Projector Cost

For Teachers 9th - 12th Standards
Small groups analyze the attendance at a movie theater and determine the amount of money made for per show. Team members calculate the number of shows it would take for a theater to make a profit after purchasing a new digital projector....
+
Lesson Planet: Curated OER

CK-12 Middle School Math Concepts - Grade 6

For Students 6th Standards
Twelve chapters cover a multitude of math concepts found in the Common Core standards for sixth grade. Each title provides a brief explanation of what you will find inside the chapter—concepts from which you can click on and learn more...
+
Lesson Planet: Curated OER

Parallel Lines Cut By a Transversal

For Teachers 9th - 12th Standards
Perhaps planning a city isn't so difficult after all. Scholars first perform geometric constructions and investigate how parallel lines are useful in real-world situations. They then work on a city design project, drawing street maps,...