University of Cambridge
University of Cambridge: Maths and Sports: Triathlon and Fitness
The triathlon is a physically gruelling challenge. Can you work out which athlete burnt the most calories? This activity provides a real-life context for working with proportionality, speed, rates, and units of measurement and is aimed...
Illustrative Mathematics
Illustrative Mathematics: 6.rp, 7.rp.3 Climbing the Steps of El Castillo
A performance task in which students solve a problem involving a proportional relationship. The problem is: The temple at the top of the pyramid is approximately 24 meters above the ground, and there are 91 steps leading up to the...
Other
Nearpod: Percent of Change
In this lesson, 7th graders will learn how to solve percent of change problems.
PBS
Pbs: Scale City: Scaling Up Recipes and Circles in the Real World
In this video, students visit a small-town festival that features the world's largest stainless steel skillet. In addition to a question about scaling recipes, they also are asked how increasing or decreasing the radius of a circle...
University of Texas
Inside Mathematics: Snail Pace [Pdf]
This task challenges a student to demonstrate understanding of concepts involved in rates. Students must make sense of proportional relationships of speed in minutes and inches.
Google
Google for Education: Percent Change
Students analyze proportional relationships and use them to solve real-world and mathematical problems. Here, look for patterns to understand and solve percent change problems.
Texas Education Agency
Texas Gateway: Determining Area: Sectors of Circles
Students will use proportional reasoning to develop formulas to determine the area of sectors of circles. Students will then solve problems involving the area of sectors of circles.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Robot Races, Assessment Variation
In this lesson plan students watch a video of robot races then answer questions in regards to the given graph.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Buying Bananas, Assessment Version
In this lesson, 7th graders determine the proporitonal relationship between bananas and the cost.
Illustrative Mathematics
Illustrative Mathematics: 7.rp How Fast Is Usain Bolt?
This lesson plan has students determine how fast a human can run and compare that speed to some of the fastest animals.
Illustrative Mathematics
Illustrative Mathematics: 7.rp Music Companies, Variation 1
This lesson plan has students determine the unit rate and then determine the cost.
Alabama Learning Exchange
Alex: Using Scale Factors: Drawing Your Body to Scale
Teachers will use this lesson plan to review and apply skills involving scale factors. Teachers will use illuminations website to review scale factor. Then students will be given instructions to draw their bodies to scale.
Other
Achieve: Miniature Golf Design Task [Pdf]
In this task students are asked to combine numerous skills to create a miniature golf hole. Students create a scale drawing of the hole, calculate the area of the hole and determine the percentage of total area used. In addition,...
TED Talks
Ted: Ted Ed: Why the Shape of Your Screen Matters
In this video, Brian Gervase explains how the size a of television screen affects how much of a movie people are able to watch. [3:33] Followed by a short quiz and a list of additional resources to explore.
CK-12 Foundation
Ck 12: Interactive Middle School Math 7 for Ccss
A complete CCSS Grade 7 Mathematics course that includes interactives in every lesson, plus videos, hands-on activities, and questions with immediate feedback. Every lesson also has specifically chosen 'Related Modalities' that teach the...
Khan Academy
Khan Academy: Units
In this exercise, students solve word problems that involve using different units. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Rates With Fractions: Practice
Practice computing rates associated with ratios of fractions or decimals. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
CK-12 Foundation
Ck 12: Geometry: Forms of Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students find and reduce ratios. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
Texas Instruments
Texas Instruments: Sail Problem (Parallel Lines & Segment Relationships)
In this activity, students will explore the proportional relationships involved in multiple parallel lines being cut by transversals. These relationships are approached through exploration of a sail design problem, where students are to...
University of Cambridge
University of Cambridge: Maths and Sports: Nutrition and Cycling
Can you analyse the nutritional needs of a long-distance cyclist to help him plan his calorie intake? This activity provides a real-life context for handling data, converting units and proportional reasoning and is aimed at secondary...
PBS
Pbs: The Lowdown: Exploring Changing Obesity Rates Through Ratios and Graphs
In these KQED Lowdown infographics, explore how adult obesity rates in the United States, as measured by body mass index (BMI), have dramatically changed in the past half-century. A circular graph and a pictograph depict data by decade,...
PBS
Pbs: Scale City: Similar Figures in the Real World
This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...
PBS
Pbs: Scale City: Scale Models in the Real World
This video explores scale models, including 1:12 dollhouse models, 1:24 railroad models, and 1:192 architectural models. It explains what the different ratios represent and asks students to consider how they can use measurement and...
Illustrative Mathematics
Illustrative Mathematics: 8.ee Comparing Speeds in Graphs and Equations
This task provides the opportunity for students to reason about graphs, slopes, and rates without having a scale on the axes or an equation to represent the graphs. Aligns with 8.EE.B.5.
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