Ratios Teacher Resources
Find Ratios educational ideas and activities
Showing 1 - 20 of 6,033 resources
Ratio of Boys to Girls
How many boys are in the class? Here is an introductory exercise describing ratios. The commentary shows different ways learners can approach the problem, using a tape diagram of boys to girls and using a table. The activity includes discussion on relating ratios to rates.
5th - 7th Math 99 Views 78 Downloads CCSS: Designed
Hospitality and Tourism 3: Salads
After viewing a nutritious presentation on salads as any part of a meal, viewers participate in a paper-folding activity to prepare them to calculate ratios of salad dressing ingredients. As an assessment, they actually make a vinaigrette! This is a practical instructional activity for working with ratios that can be used in your math class, or a cooking elective.
6th - 12th Math 38 Views 34 Downloads CCSS: Designed
Voting for Three, Variation 2
Here is another opportunity for math students to apply reasoning to solve real-world problems with ratios. The ratio of the number of votes for two candidates is provided. Your class is asked to use this ratio and information given about a third candidate to find the number of votes for each participant.
5th - 7th Math 10 Views 9 Downloads CCSS: Designed
Middle school math masters use ratios to determine the missing dimensions of various HD television screens. They also compare different dimensions of screens and determine whether or not they fit the same ratio. They perform similar tasks with the ratio for old analog television screens.
6th - 8th Math 30 Views 117 Downloads CCSS: Designed
Inspire mathematicians to see how ratio concepts can be used to plan a class bash! They determine which candy is the best deal. They alter a recipe to produce enough baked treats. They select the most cost-effective contents for a goodie bag by calculating unit rates.
6th - 8th Math 41 Views 34 Downloads CCSS: Designed
Hair & Nails: How Fast Do They Grow?
Find here a complete lesson dealing with the equations and graphs of proportional relationships, as well as what each individual point on such a graph represents. It may appeal to girls in particular, as the data details the growth rates of hair and fingernails.
6th - 8th Math 32 Views 104 Downloads CCSS: Designed
Photo Sizes Task
Photograph prints are often ordered as 4" x 6", 5" x 7", or 8" x 10", but did you know that these sizes are not proportional? Math wizards compare the ratios using different methods, such as graphing, in order to discover this fact. A worksheet, several possible solutions, and an extension activity make this a well-designed activity to use as a teaching tool or homework assignment.
6th - 8th Math 32 Views 84 Downloads CCSS: Designed
Solve Ratio Problems Using Tables and Addition
Recipes are a great way to connect ratios with real life, because sometimes we just need a bigger batch. Show your middle schoolers how to set up a ratio with the recipe for fruit punch and organize it into a table with this first video in a series.
4 mins 5th - 8th Math 6 Views 1 Download CCSS: Designed
Solve Ratio Problems Using Tables and Multiplication
Ratios are all about relationships and this video shows two different ways to find those patterns. The prior video in the six-part video series sets up the ratio with addition, and this video focuses on the multiplicative reasoning. Show your mathematicians they can find a pattern to go from the original ratio to the larger with multiplication.
5 mins 5th - 8th Math 11 Views 5 Downloads CCSS: Designed
Convert Measurement Units Using Ratio Tables
Converting units are ratios in disguise and can be easy solve. Although this video is the last in a series about different methods to solve ratio problems, it does not have to be used in conjunction with this series. It introduces the classic proportion problem comparing a given ratio to a missing piece, using multiplicative reasoning to solve.
4 mins 5th - 8th Math 8 Views 3 Downloads CCSS: Designed
Solve Ratio Problems Using Double Number Lines
Organization is the best way to make sure that ratios are set up correctly to be proportional. This video reviews how to solve ratio problems with addition and multiplication, shown in more detail in the prior two videos of this series, and then focuses on setting up the problem into a double number line.
4 mins 5th - 8th Math 9 Views 3 Downloads CCSS: Designed
Solve Ratio Problems Using a Tape Diagram
There are many ways to solve ratio problems, and this lesson reviews the three methods taught by the prior videos before introducing a tape diagram. Have your learners practice solving with addition, multiplication, and double number lines before introducing this new method.
4 mins 5th - 8th Math 5 Views 6 Downloads
Price per Pound and Pounds per Dollar
Help learners understand the concept of unit rate as it is applied to buying beans at a grocery store. The objective is to determine the unit rate in two ways, and then apply each ratio to an additional problem. The attached commentary makes use of ratio tables and encourages instructors to discuss the different strategies that can be used to solve these problems.
5th - 7th Math 26 Views 26 Downloads CCSS: Designed
Introduce the concept of ratios. Start out by giving small groups of learners an assortment of colored cubes. Have them write a description of the materials that you gave them and then use this as a jumping-off point to talk about ratios and how to write them mathematically.
5th - 7th Math 76 Views 257 Downloads CCSS: Designed
Voting for Three, Variation 1
This is an opportunity for young mathematicians to apply reasoning to solve real-world problems with ratios. Even though there are three candidates for class president, students will only consider two at a time, making the first problem straightforward.
5th - 7th Math 5 Views 7 Downloads CCSS: Designed
Riding at a Constant Speed, Assessment Variation
Practice ratios and unit rates with tracking how long Lin took to ride her bike. Provided with different questions, your mathematicians can assemble their answers using a chart or setting up ratios. The activity is included in a set of assessments that focus on the 6th and 7th grade Common Core standards for ratios and unit rates.
5th - 7th Math 23 Views 22 Downloads CCSS: Designed
Short Quiz 6.RP.1
Conclude an introductory lesson on ratios with a short four-question quiz. Starting with two word problems asking young mathematicians to determine the ratios described in real-world contexts, learners must then fill in the missing values of a ratio table and solve a simple proportion.
5th - 7th Math 8 Views 8 Downloads CCSS: Designed
Getting Us From One Place to Another
Use maps of your local area to teach and connect to real-world applications of ratio reasoning and scale. Teach your young mathematicians how to convert measurements: an inch equals a certain amount of miles. Start out with a simple worksheet and a simple map and scaffold to real maps of your local area.
5th - 7th Math 17 Views 49 Downloads CCSS: Designed
Introduction to Ratios
Demonstrating the concept of ratios with several simple examples (animals, fruit, girls and boys in class), Sal guides viewers through the process of finding and simplifying ratios. Even those who have a hard time grasping the concept of ratios will have an easier time listening to Sal's easygoing instruction.
14 mins 7th - 9th Math 7 Views 21 Downloads