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: Identification and Writing of Equivalent Rates Grade 6
[Free Registration/Login may be required to access all resource tools.] Convert ratios to rates and then compare the rates.
CK-12 Foundation
Ck 12: Algebra: Applications Using Linear Models
[Free Registration/Login may be required to access all resource tools.] In this lesson students use problem-solving strategies and a plan to solve real-world dilemmas. Students watch a video tutorial, explore guided notes and attempt...
Rice University
Rice University: Cynthia Lanius: Golden Ratio
This site introduces students to the definition of golden ratio. It gives them a chance to estimate ratios and predict which figures are closest to the golden ratio. There is a link on this page that provides charts for students to...
Rice University
Rice University: Cynthia Lanius: All About Ratios
Make Texas chili as you learn about ratios in this interactive lesson. Students get immediate feedback on their responses and teachers have access to online assessment.
CK-12 Foundation
Ck 12: Geometry: Polygon Similarity Study Guide
[Free Registration/Login may be required to access all resource tools.] This study guide looks at similar polygons, scale factor (ratio), and triangle similarity.
CK-12 Foundation
Ck 12: Probability: Definition of Probability
[Free Registration/Login may be required to access all resource tools.] Understand and define probability in terms of ratios.
CK-12 Foundation
Ck 12: Probability: Definition of Probability
[Free Registration/Login may be required to access all resource tools.] Recognize and calculate simple theoretical probability.
CK-12 Foundation
Ck 12: Arithmetic: Unit Rates
[Free Registration/Login may be required to access all resource tools.] In this lesson, students learn to find unit rates. Students examine guided notes, review guided practice, watch instructional videos and attempt practice problems.
CK-12 Foundation
Ck 12: Geometry: Area and Volume of Similar Solids
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to use ratios between similar solids to solve for missing information. Students examine guided notes, review guided practice, watch...
CK-12 Foundation
Ck 12: Geometry: Area and Perimeter of Similar Polygons
[Free Registration/Login may be required to access all resource tools.] This concept teaches students to find area and perimeter of similar polygons using ratios. Students examine guided notes, review guided practice, watch instructional...
Better Lesson
Better Lesson: Ratio Review for 6.rp.1, 6.rp.3a, 6.rp.3d
The students will be able to show what they know about ratios and how to use multiple representations strategically.
Better Lesson
Better Lesson: Constant Speed
Students will connect math and science while working with constant speed. This lesson includes several constant speed problems that can be modeled with ratio tables. Included is a detailed plan, video explanation, slides containing notes...
Better Lesson
Better Lesson: Ratios With Thinking Blocks
How can you use a bar model to represent ratio problems? Students work with problem sets on the Thinking Blocks website.
Cuemath
Cuemath: Irrational Numbers
Learn how to identify irrational numbers. This lesson reviews the irrational number list, the difference between irrational and rational numbers, and whether or not irrational numbers are real numbers. Examples are provided along with a...
CK-12 Foundation
Ck 12: Interactive Geometry: 9.6 Density Problems
Density is a ratio of the mass/people/things to volume/area. Given the density and one of the two quantities in the ratio, solve for the other quantity in the ratio.
CK-12 Foundation
Ck 12: Interactive Geometry: 17.4 Inverse Trigonometric Ratios
Define the trigonometric ratios in terms of ratios of the sides of a right triangle.
Cuemath
Cuemath: Rate
In this mini lesson, students will learn about rate, what is rate, the unit rate calculator, the ratio definition, and unit rate examples. Practice questions test understanding.
PBS
Pbs: The Lowdown: A Rhythm Etic
Rock out to a musical demonstration of math involved in constructing rhythms from groups of beats in this video from KQED. In the accompanying classroom activity, students consider how the note durations comprising a measure in 3/4 time...
PBS
Pbs: The Lowdown: Living Wages in Ca: Ratio and Rate in the Real World
In this KQED infographic, find out how much an adult in different-sized households needs to make to pay for basic monthly living expenses. In the accompanying classroom activity, students solve real-life problems involving rate and ratio...
PBS
Pbs: The Art of Math
Investigate a situation where math plays an important role in art. This video focuses on the equation to calculate the correct weights and distances of the components necessary to balance a mobile. This video was submitted through 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...
Better Lesson
Better Lesson: Give Me 100%.
Understand the connection between ratio, percents, and fractions.
Better Lesson
Better Lesson: Finals Week Day 1
Sixth graders define rate and give examples of how they can use rates.