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420 resources with the keyterm ratio

1 In 1 Collection
Lesson Planet

Adopt a Schoolyard Tree

For Teachers 2nd - 5th Standards
Help young scientists connect with nature and learn about trees with a fun life science lesson. Heading out into the school yard, children choose a tree to adopt, taking measurements, writing descriptions, and drawing sketches of it in...
Lesson Planet

Where Should You Go?

For Teachers 5th - 7th Standards
Use this task as a teaching tool, or include it on a handout for math masters to practice at home. They use an online currency converter and compute monetary exchange values if they were to travel to Mexico, Canada, Spain, Kuwait, or...
Lesson Planet

Stock Swaps, Variation 2

For Teachers 6th - 8th Standards
If Microsoft wanted to take over Apple, how many shares would they need to break even? This is an ideal task for seventh graders who are studying proportional relationships and applying them to real-world scenarios. Use it as an...
1 In 1 Collection
Lesson Planet

Study Jams! Proportions

For Students 4th - 7th Standards
Join Zoe and Sam as they use proportions to budget money for their Green Earth Club. Watch as they set up and solve a series of proportions using cross multiplication and division. A great resource that brings together prior knowledge of...
Lesson Planet

Study Jams! Rate

For Students 4th - 6th Standards
Zoe is reading books over vacation and wants to know at her current rate, how many will she finish by the end. Building on prior knowledge of fractions and ratios, young mathematicians learn how equivalent rates are used to answer her...
2 In 2 Collections 4:19
Lesson Planet

Convert Measurement Units Using Ratio Tables

For Students 5th - 8th Standards
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...
1 In 1 Collection 4:06
Lesson Planet

Solve Ratio Problems Using Double Number Lines

For Students 5th - 8th Standards
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,...
2:16
Lesson Planet

How Do You Determine if Two Ratios are Proportional Using Cross Products?

For Teachers 6th - 9th
Are these two given ratios proportional? One quick and easy way to answer this question is to cross multiply the two values. If the products are equal then they are proportional ratios. If they are not equal then they are not...
5:12
Lesson Planet

What are Equivalent Fractions?

For Teachers 3rd - 7th
Check this out! Make equivalent fractions by multiplying or dividing a given value. It's a useful skill to have in math. Watch this video as the instructor demonstrates several ways to get equivalent fractions.
3:54
Lesson Planet

What is a Scale Drawing?

For Teachers 6th - 9th
Scale drawings are an easy and plausible way to represent large things, such as roads and buildings, on paper. This tutorial explains what a scale drawing is and uses the example of a house to demonstrate how a scale drawing works. It...
Lesson Planet

Ratio of Boys to Girls

For Teachers 5th - 7th Standards
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...
4:25
Lesson Planet

Create Unit Rate Using Diagram

For Students 6th - 7th Standards
Miles per gallon is a common unit rate, but what about gallons per mile? The second unit rate is commonly overlooked, but this video practices finding both unit rates per problem. The example breaks down unit rate into a visual...
1 In 1 Collection 4:01
Lesson Planet

Identify Clusters, Peaks and Gaps in a Dot Plot

For Students 5th - 7th Standards
Help explain clusters, peaks, and gaps of a dot plot with this visualization of different graphs. Video identifies how different groupings of data reflect information about the sample. Good as a beginning to a lesson for quick...
Lesson Planet

Overlapping Squares

For Teachers 5th - 7th Standards
The objective of this activity is to find the percent of the area of a two squares overlapping. Mathematicians find the ratio of area for the part that overlaps to the rectangle formed. The final answer is a percent as a rate per 100....
Lesson Planet

Voting for Three, Variation 1

For Teachers 5th - 7th Standards
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...
Lesson Planet

Voting for Three, Variation 3

For Teachers 5th - 7th Standards
Get your learners to think outside the box. Students require a good understanding of ratios and their relationship to fractions to complete the problem. The only quantities given in the problem are the ratio of the number of votes for...
Lesson Planet

Currency Exchange

For Teachers 5th - 7th Standards
Take your class on a North American adventure with a currency conversion problem. Pupils are asked to change US dollars into Canadian dollars and then to Mexican pesos. The commentary includes two solutions, converting by unit rates and...
Lesson Planet

Dana's House

For Teachers 5th - 7th Standards
Your class is to find the percent of the lot that is not covered by a house. Make sure your pupils understand the problems before they begin. The lot is the whole of the percent problem and the house is the part. The exercise is good...
Lesson Planet

Sand Under the Swing Set

For Teachers 7th - 9th Standards
Help the local elementary school fix their playground by calculating the amount of sand needed near the swing set. The problem practices setting up proportions and ratios with three different options for solving. You can chose the option...
Lesson Planet

Gotham City Taxis

For Teachers 6th - 8th Standards
Taxi! Have your travelers figure out how far they can go in a taxi for $10.00. They must account for the mileage rate and tip in their calculation. They can set up a table or make an equation to solve for the exact mileage they can...
Lesson Planet

Two-School Dance

For Teachers 7th - 9th Standards
Who's ready for the dance? When two middle schools combine for a dance, your learners' job is to calculate the ratio of girls attending. Provided with three different solutions, you can choose from setting up a ratio, linear equation, or...
Lesson Planet

Security Camera

For Teachers 6th - 8th Standards
A different-than-normal problem that allows learners to practice their reasoning to find an answer. The problem bases itself off a graph drawing of a store that needs to install security cameras. The challenge is to find which placement...
Lesson Planet

Molly's Run, Assessment Variation

For Teachers 6th - 8th Standards
Part of as assessment series, the activity follows the instructional activity Molly's Run to practice ratios and dividing with fractions. Different solution options are given for your learners' preference. The commentary explains how the...
Lesson Planet

Cooking with the Whole Cup

For Teachers 6th - 7th Standards
Whoops! Travis accidentally put too much butter into the recipe. Your bakers must find out how to alter the recipe to accommodate different changes by using unit rates and ratios . The activity has multiple parts and calculations with...