Curated OER
Scale Drawing: Insulating Another Attic
Give your future household repair specialists a real-life chance to apply the concepts of ratio and proportion. Using a scale drawing, they calculate the missing dimensions of two walls of a compound-shaped attic. They then figure how...
Curated OER
Measure for Measure
Young mathematicians work to recognize the relationship between their scale models of the Joides research vessel and the real vessel. They calculate the relationships between various parts of the ship using fractions, ratios, and...
National Gallery of Canada
Taken Out of Perspective
Art does not always have to look perfectly realistic. Play with proportion and shape by stretching images. Pupils study works of art by Picasso, Cézanne, and Monet before selecting a photograph to adapt. They use a distorted grid to...
K-5 Math Teaching Resources
Venn Diagram Template
Prevent your students from making a disaster out of their writing journals while attempting to draw their own graphic organizer. Instead, use this perfectly proportioned template of a Venn diagram.
Iredell - Statesville Schools
Direct and Inverse Variation Worksheet
Provide learners with a worksheet that provides problems that focuses on direct and inverse variations, proportional relationships, graphing, and word problems. The goal is to find the outcome and decide what type of variation the...
Inside Mathematics
Graphs (2007)
Challenge the class to utilize their knowledge of linear and quadratic functions to determine the intersection of the parent quadratic graph and linear proportional graphs. Using the pattern for the solutions, individuals develop a...
University of Colorado
Can Photosynthesis Occur at Saturn?
In the 19th activity of 22, learners determine if distance from a light source affects photosynthesis. Participants capture oxygen in straws and find that the amount of water the gas displaces is proportional to the rate of photosynthesis.
Texas Education Agency (TEA)
Geometry in Architecture #1
Discover how to analyze architecture from a geometric standpoint. The fourth installment of an 11-part unit on architecture first provides a presentation on axis, balance, basic form, formal, pattern, proportion, symmetry, and tripartite...
EngageNY
Multi-Step Problems—All Operations
Harness the power of algebra to solve problems. Young mathematicians learn to work out multi-step problems by applying algebraic techniques, such as solving equations and proportions. They use tape diagrams to model the problem to finish...
101 Questions
Suitcase Circle
Analyze patterns in a circular arrangement. After using a geometric construction to complete a circle, learners use proportional reasoning to make predictions. By determining the length of an arc built from suitcases, they estimate the...
Brigham Young University
Understanding Design, Composition, and Color
The set for a play combines design elements (style, line, shape, mass, measure, position, color, and texture) and principles of composition (unity, harmony, contrast, variation, balance, proportion, and emphasis) to create a particular...
National Wildlife Federation
How Many Bison?
Math and science to the rescue! Some basic math concepts help scientists predict wildlife populations. Using tokens, groups simulate tagging a wildlife population. They then use proportions to estimate the population of the wildlife.
Illustrative Mathematics
Buying Gas
A quick problem to test your middle schoolers' knowledge of dividing with decimals. Also a good practice of unit rates, they must compute the cost of one gallon of gas when given the total amount for a fill up. Can be used as a preface...
Khan Academy
Challenge: Mickey Mouse Ears
My, what big ears you have! Novice JavaScript programmers adjust Mickey's ears to be proportional with his face and any changes to it. The key is to use variable expressions so that the values used are dependent upon the variable that...
Khan Academy
Project: Design an Animal
Combine creativity and coding in an activity where you are free to create your own animal. Try for something recognizable or not, the design is up to your unique students. The challenge is to use variables and variable expressions so...
Curated OER
Stock Swaps, Variation 2
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...
Cloud Front
Direct Variation Worksheet
Direct variation can be applied to many problems and here is a worksheet that has learners practicing them all. The skills include graphing, finding proportional relationships, and solving word problems to show how different factors...
University of Georgia
Splat!
What does viscosity have to do with splatter? An activity shows that the viscosity of a substance is inversely proportional to the distance of its splatter. Learners conduct the experiment by collecting data, graphing, and analyzing...
Mathed Up!
Area of Sector and Length of Arcs
Viewers learn how to apply proportional reasoning to find area of sectors and arc lengths with a video that starts off explaining how to find the areas of circle sectors and the lengths of arcs. Scholars then practice solving problems...
Kenan Fellows
Solutions
Scientists require specific chemical solutions for their experiments. In the seventh and final installment in a series that integrates chemistry and algebra II, scholars learn to set up a system of equations to solve the volume of a...
US Department of Commerce
Exploring Sampling Variability - Higher Education Attainment Across The United States
More education in statistics is always beneficial. Given cards that provide the proportion of adults with bachelor's degrees in 10 random US states, scholars individually determine the sample percentage of states in which more than 30...
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
Opinion Poll-arities
Students explore the mathematics behind opinion polls, as well as provides a framework for interpreting trends in opinion poll graphics.
Curated OER
Galluping Away
Pupils use Gallop Poll results to explore causes and effects of the concerns of Americans in the past. They administer a similar poll and consider what Americans in their community view as the most pressing problems in the United States...
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