Curated OER
Scale Basketball
Young scholars understand that a spreadsheet can be used to find the best scale to use in a model. They place the distances of the planets of the solar system to the Sun in one column of the spreadsheet. Students try different scales so...
Radford University
The Wheels on the Bus
Find a cheaper way to keep buses going round and round. Small groups use their knowledge of ratios and proportions to find ways to save money on school transportation. The teams determine the number of miles buses currently travel by...
Bowland
Alien Invasion
Win the war of the worlds! Scholars solve a variety of problems related to an alien invasion. They determine where spaceships have landed on a coordinate map, devise a plan to avoid the aliens, observe the aliens, and break a code to...
Curated OER
Maps
Students figure out the mileage from one state to another using a map. In this map lesson, students look at the scale factor and turn it into a fraction. They measure the distance between two cities and use the proportion to find the...
Curated OER
Solve for Scale Factors Using Proportions
Eighth graders solve problems using proportions with scaled drawings. They work with maps and blue-prints discussing scales and plans and examine different polygons and figure out the scale factors or proportions they have been changed by.
Curated OER
Ratio Relationships
Students solve for the different ratio and proportion of a problem. In this geometry lesson, students show their knowledge of how to solve proportional relationships. They convert between percent, decimals and fractions.
Curated OER
Scale Factors
In this scale factors worksheet, 6th graders solve 10 different problems that include types of scale factors. First, they determine the missing dimensions in each problem. Then, students round their responses to the nearest tenth before...
Curated OER
Investigation - The Local Bagel Shop
Sixth graders investigate unit pricing to find which cup of coffee is a better buy. They use ratio and proportions to solve problems involving a change of scale in drawings, maps, recipes, etc. Students determine the unit cost of items...
Curated OER
Introducing the Concept: Proportions
Young scholars measure distances. In this proportions lesson plan, students use a map to find how far it is between different cities. Young scholars use their knowledge of measurement, multiplication and fractions to find the distances.
101 Questions
Neptune
Examine an innovative approach to a large-scale model. Pupils across the state of Maine teamed up to create a model of the solar system that spans 40 miles. Put thinking skills to work within your classes as they make the calculations to...
Mathematics Assessment Project
Comparing Strategies for Proportion Problems
Having problems with proportions? Then solve these proportion problems with an exercise that asks learners to first individually solve a set of problems involving ratios and proportional reasoning. Groups then discuss provided sample...
Curated OER
Lesson 3-5: Proportions and Similar Figures
In this similar figures activity, students use proportions to solve 6 short answer and multiple choice questions. Students use proportions to answer questions about map scales and height of trees given shadow lengths.
Curated OER
Comparing Ratios
In this comparing ratios worksheet, students solve and complete 3 different problems using the screens shown. First, they write a ratio that compares the shaded part to unshaded part illustrated. Then, students use the same grid to...
Curated OER
Reading distance on maps
Eighth graders complete worksheets on reading the distance on maps in miles or kilometers. In this maps lesson plan, 8th graders use a calculator and ruler.
Curated OER
Mental Tests
In this ratio activity students use mental math to find the ratios in problems about people, distance, length, and products.
Curated OER
One Size Fits All?
Learners describe the differences between an estimate and a guess. They create reasonable estimates based on comparison and activities. Students explain how estimation is helpful in showing the relative size on a scale. They also...
Noyce Foundation
Photographs
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
Curated OER
Scale
Students apply concepts of scales to solve problems. In this geometry instructional activity, students solve real world problems using scales, proportions and ratios. They predict the actual size of a model given the scale drawings.
Curated OER
Me on the Map Lesson 2
Students analyze and interpret maps, globes and geographic information systems to define and identify cities, counties, states, countries and continents to create a booklet called me on the map. They also determine and calculate the...
Curated OER
Scale Basketball
Students discuss scale diagrams and maps as well as the use of spreadsheets to find the best scale to use in a model before practicing scale and ratio problems on their own.
Curated OER
Inches Away
Students are introduced to maps, scale representations, ratios and cartography. They plot the itinerary for their family's dream vacation or a trip across the United States. Using maps, they determine the short route and second longer...
Curated OER
Size Small School
Students explore the concept of scale and ratio. In this scale and ratio instructional activity, students work in groups to measure a given space such as a hallway, office, or gym. Students measure their area using a meter stick. ...
Discovery Education
Architects in Action
Hands-on and real-world applications are great ways to teach mathematical concepts. Creative thinkers examine how ratios are used to create scale models of buildings and structures. They practice working with ratios by looking at a map...
Curated OER
Environment: Water & Air
The introduction to the lesson plan mentions a sailor's limited capacity to store drinking water on his ship. Pupils then set up an overnight experiment to remove freshwater from salt water by distillation. There is a math and map...