Curated OER
MOBILITY, Traveling Lightly: What’s My Footprint?
Students calculate their carbon footprint. In this environmental technology lesson, students listen to a lecture on climate change. Students brainstorm solutions to reduce environmental impact based on travel options. Students calculate...
CK-12 Foundation
Ck 12: Geometry: Ratios and Proportions Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide reviews ratios, proportions, and cross-multiplication.
PBS
Pbs: Human Tree: Ratios
Watch as the National Museum of Mathematics creates an interesting series of images using ratios. This video focuses on the proportional relationship observed in fractals and challenges you to do some critical thinking using ratios and...
CK-12 Foundation
Ck 12: Measurement: Unit Scale to Find Actual Dimensions
[Free Registration/Login may be required to access all resource tools.] Identify unit scale and use unit scale when problem solving.
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Scale Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students find a scale, ratio, or proportion given actual and scale dimensions. Students examine guided notes, review guided practice, watch...
OER Commons
Oer Commons: Scale
Seventh graders will explore scale and use it to find measurements in scale drawings.
PBS
Pbs Learning Media: Math + Arts: Dragon Scales
In this lesson plan, students create a class mural by using scale, ratio, and proportion. Media resources and teacher materials are included.
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Recognize unit scale as a ratio between units of measure of scale dimension to actual dimension.
CK-12 Foundation
Ck 12: Arithmetic: Proportions to Find Dimensions
[Free Registration/Login may be required to access all resource tools.] In this lesson studnets find actual or scale dimensions using a given scale, ratio, or proportion. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Measurement: Distances or Dimensions Given Scale Measurements
[Free Registration/Login may be required to access all resource tools.] Find actual distances or dimensions using a given scale, ratio, or proportion.
CK-12 Foundation
Ck 12: Measurement: Distances or Dimensions Given Scale Measurements
[Free Registration/Login may be required to access all resource tools.] Read and interpret scale drawings and floor plans to find scale dimensions and actual dimensions
Discovery Education
Discovery Education: Architects in Action
Through this lesson, students will learn how to use ratios to create a scale drawing of their classroom's floor plan. It provides adaptations, discussion questions, assessment rubric, and suggested readings to help develop students'...
Mangahigh
Mangahigh: Number: Ratio and Proportion Drawings and Models
Explore ratios in terms of scales on a map.
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...
CK-12 Foundation
Ck 12: Scale and Indirect Measurement Applications: Scale Model
[Free Registration/Login Required] Students explore scale and indirect measurement by navigating through the interactive learning module and then answering questions that go along with the module. Students can also learn more about the...
PBS
Pbs: Scale City: One Dimensional Scaling in the Real World
In this video, life-size replicas help demonstrate one-dimensional scaling and the ratio relationship between two real-world quantities. The accompanying classroom activity helps students understand how ratios and proportions can help...
CK-12 Foundation
Ck 12: Measurement: Scale Distances or Dimensions
[Free Registration/Login may be required to access all resource tools.] Find scale dimensions using actual measurements and a ratio or proportion.
University of Minnesota
U Mn: Gender Ratios in Global Migration: Men Who Migrate, Women Who Wait?
This resource uses a text and graph to show how the gender ratio of international migrants - the proportion of male to female migrants - has changed over time. Its goal is to stimulate thinking about shifting gender ratios in global...
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...
PBS
Pbs Learning Media: Aiming for the Basketball Hall of Fame
In this video segment from TV 411, two Atlanta Hawks players plan a driving route to reach the Basketball Hall of Fame. They use map scales to estimate their travel distances.
E-learning for Kids
E Learning for Kids: Math: Dance Performance: Position on a Map
This interactive website allows students to practice their map skills including scale factors on a map.
Louisiana Department of Education
Louisiana Doe: Louisiana Believes: Eureka Math Parent Guide: Ratios and Proportional Relationships
A guide to support parents as they work with their students in ratios and proportional relationships.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Learning Ratios & Proportions Through Scale Drawings
Website which strengthens the conceptual connection between scale drawings and ratios through an activity lesson.
ClassFlow
Class Flow: Ratio
[Free Registration/Login Required] In this flipchart, students apply their understanding of ratio, percent, and direct proportion in various situations. Students solve problems involving ratio and proportion with similar figures and with...