Illinois State Board of Education
Solar System
Aspiring astronomers solve problems involving mixed units of the same attribute, including time, money, length, and area. They convert large numbers into scientific notation, then compute and compare ratios to explain why drawing...
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.
Curated OER
Universal Proportions: Earth and Moon
Students create scale models of Earth, the Moon, and the distances within the universe. Working in groups, they construct their models of Earth and the Moon on a scale of 50:1 and calculate how far apart to place their models. They...
Curated OER
Blazing the Trail
Learning about proportions through measuring and mapping distances is the focus of this real-world math instructional activity that doubles as an activity. Mathematicians complete a course designed to measure and map locations in order...
Curated OER
Map Adventures
Young scholars explore the relationship between a scale drawing and actual distance. In this mapping lesson plan, students use an amusement park map to determine distances and what they would be like in real life.
Curated OER
Mixing Up Ratios
Students solve problems of ratio and proportions using hands on. In this algebra lesson, students vary the concentration of a fruit drink using parts of a ratio.
Curated OER
Math: "Scales"
Third graders investigate ratios and rates. In this third grade mathematics lesson, 3rd graders identify equal ratios and rate and test for proportionality. This lesson is created to be use in conjunctions with a particular...
Curated OER
Solving Problems Using Proportions
In this math worksheet, students solve the problems that are in word form in order to find the proper type of proportion for the solution.
Curated OER
Scaling Down the Pyramids
Students construct three-dimensional models of the three pyramids at Giza. They research the building of the pyramids and record the height, base and angle measurements of each pyramid. They create a file of facts regarding the pyramids.
EngageNY
Comparing the Ratio Method with the Parallel Method
Can you prove it? Lead your class through the development of the Side Splitter Theorem through proofs. Individuals connect the ratio and parallel method of dilation through an exploration of two proofs. After completing the proofs,...
Virginia Department of Education
Dilation
Open up your pupils' eyes and minds on dilations. Scholars perform dilations on a trapezoid on the coordinate plane. They compare the image to the preimage and develop generalizations about dilations.
Curated OER
Old Glory
Students utilize mathematical concepts such as: measurement, ratio and proportion and geometric probability to analyze the components of the U.S. Flag. They collect, organize and interpret data by constructing charts, tables and graphs...
Cornell University
Non-Newtonian Fluids—How Slow Can You Go?
Children enjoy playing with silly putty, but it provides more than just fun. Young scientists make their own silly putty using different recipes. After a bit of fun, they test and graph the viscosity of each.
Curated OER
Designing Kites
Sixth graders sketch their own kites by creating a scale drawing of an original design. In this designing kites lesson, 6th graders draw a rough sketch, then accurately draw their design on large paper with a ruler, measuring...
Curated OER
Measurement 2
For this measurement worksheet, students use liner measure with a provided ruler to determine the distance between objects. Using a map scale, they evaluate the actual distance. Students may use their knowledge of proportions to solve...
Curated OER
Measurement 4: Linear Measure
In this measurement worksheet, learners use a ruler to measure, in inches, the distance of various line segments. Then, using the scale drawing, they determine the actual distance in miles. Students may use their knowledge of proportions...
Illustrative Mathematics
Cooking with the Whole Cup
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...
Curated OER
You Are Invited to Design and Build a Dream Room
Seventh graders watch a video and enlarge and shrink scale by applying proportional thinking. They practice measuring, using percentages, computing area, and problem solving.
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
Dilation
Tenth graders identidy and define various geometry terms, Students create exact replicas of a shape that is either smaller or larger than the original shape. Students prove that their entire shapes are larger or smaller in the same...
Curated OER
Mission: Possible
Students explore the concept of scale. In this scale lesson, students are given directions scaled in inches and students must convert them to feet. Students take a section of a map and create a bigger scaled model of the section.
Curated OER
A Recipe For Success
Sixth graders explore a relevant application of ratios and proportions. They apply this concept through guided practice and interactive feedback.
Curated OER
History of Our Solar System Time Line
Ninth graders explore the concept of ratios. In this ratio activity, 9th graders construct a to scale time line that starts at the beginning of time. Students determine the correct placement of big events in time such as when the...
Curated OER
Map Your House
Students are introduced to the concepts of maps as scale models of the whole. After a brief lecture on creating and using an accurate scale when drawing and reading a map. They create a scale drawing of the floorplan of their homes.