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.
Illustrative Mathematics
Comparing Speeds in Graphs and Equations
Compare two different proportional relationships on a graph. It is up to your mathematicians to determine which of two moving objects have greater speed. A good example of a Common Core multiple choice question.
University of Nottingham
Drawing to Scale: A Garden
See how design and geometry go hand in hand. The activity asks learners to use geometry to design a backyard garden given dimensions of each feature. Scholars work with ratios and scale to develop an accurate scale drawing that includes...
EngageNY
Making Scale Drawings Using the Ratio Method
Is that drawn to scale? Capture the artistry of geometry using the ratio method to create dilations. Mathematicians use a center and ratio to create a scaled drawing. They then use a ruler and protractor to verify measurements.
National Research Center for Career and Technical Education
Information Technology: Photoshop Scale
Scaling is a practical skill as well as a topic to be addressed throughout the Common Core math standards. You are given three different presentations and a detailed teacher's guide to use while teaching proportion, as well as practice...
Curated OER
Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry lesson, young scholars calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
EngageNY
The Scale Factor as a Percent for a Scale Drawing
Scholars build upon their knowledge of scale drawings by using percents to represent the scale factor. Individuals work with scaling in vertical, horizontal, and both directions.
Pace University
Grades 7-8 Solving Equations
Create a similar blueprint. The differentiated lesson has pupils work in teams to create a brochure, scale model, or blueprint of a selected house with some minor changes. Once finished, team members present their final projects to the...
Curated OER
Scale Drawing
Students use ratio and proportions to solve problems. In this geometry lesson, students apply ratio and proportions to real life scenarios.
Curated OER
Proportions
Middle schoolers perform mathematical operations to create proportional measurements, after listening to the David Schwartz book, If You Hopped Like a Frog.
Curated OER
It's All About Scale
Sixth graders investigate scale models of toys. In this scale models of toys lesson plan, 6th graders bring in toys from home to measure. Students discuss scale and what scale is used with their toys. Students determine...
Curated OER
Map Scale
Third and fourth graders are introduced to the concept of map scale. Using an illustration, they discuss if it shows the actual size of the object and why scale is used to represent areas. They use some items in the illustration to...
Curated OER
Landmark Restoration Project-Scale Model Measurements
Students work in cooperative groups to find the actual measurements of an historical building/landmark. Then they use ratio and proportion to figure the measurements that might be used to create a scale model of the structure.
Curated OER
Scale factors: Ratios and Proportions
Pupils create building and models using scale factors. In this geometry lesson plan, students apply the properties of ratio and proportion to solve problems. They identify the means and extremes property of cross multiplication.
Curated OER
Baseball Proportion
Eighth graders measure regular baseball bats and souvenir bats in centimeters. They determine how tall a person would be to be in proportion to the souvenir bat, create a poster depicting the person, and explain the proportional...
Illustrative Mathematics
Peaches and Plums
According to the resource graph, which costs more: peaches or plums? Algebra learners compare two proportional relationships and then throw in a banana. Leaving out the scale helps young scholars become intuitive about graphing.
Curated OER
Zipping Through Our Solar System and Beyond
Launch your class on an exploration of the solar system. Learners construct solar system models to scale and get a better understanding of our place in the vast void of space. This is a great way for them to cement their understanding of...
Curated OER
Our Solar System - Comparing Planetary Travel Distances
NASA presents a mini-unit on distances in our solar system. It incorporates scientific concepts of gravity, mass, density, and payload while your aspiring astronauts also employ mathematics skills. They calculate speed, they determine...
Curated OER
Stadiums in America
Let's play ball! A great springtime activity to learn about ratios. This activity challenges learners to draw stadiums to scale on standard letter paper and also on construction paper. This three-day lesson includes a pre-assessment...
Curated OER
Discover Magazine: Size and Scale
High schoolers research measurements of the moon and Earth as well as the distance between the two in order to create scale models of the Earth-moon system. With a marble to be used as the moon, they must determine how large to make...
Curated OER
Lesson Plan: Using Maps and Scales to Get to the Basketball Hall of Fame
Students view a quicktime video of basketball players going from Atlanta to Springfield, Mass. In this scaling lesson, students use a map to calculate the distance of the trip and the length of travel time. Students apply ratio and...
Benjamin Banneker Association
Celebrate Benjamin Banneker
Inventor, astronomer, surveyor, mathematician, clock maker. Learners celebrate the life of Benjamin Banneker by building creative analog clocks, making scale models, and solving problems related to surveying. The activities model the...
Curated OER
Set Design
Young scholars explore proportional reasoning. In this middle school mathematics instructional activity students investigate scale drawings as they create a proportional representation for the carvings on Mt. Rushmore.
Curated OER
Scale Drawings
Young scholars discuss the importance of scaling drawings. In this math lesson, students create a scaled drawing of circuit boards. They explain why accuracy is very important when scaling.
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