Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Voting for Two, Variation 2

For Teachers 5th - 7th
Students use ratios to solve the following performance task: John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. How many more votes did John get than Will?
Unit Plan
PBS

Pbs: The Lowdown: Examining California's Prison System: Real World Ratio

For Students 6th - 8th
In this infographic from KQED, examine age, gender, and race in California's prison population to note the inconsistencies between who is in the general population and who is serving time behind bars. In the accompanying classroom...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp, 6.ee Fruit Salad

For Teachers 5th - 7th
A fruit salad consists of blueberries, raspberries, grapes, and cherries. The fruit salad has a total of 280 pieces of fruit. There are twice as many raspberries as blueberries, three times as many grapes as cherries, and four times as...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 6.rp Voting for Two, Variation 1

For Teachers 5th - 7th
John and Will ran for 6th grade class president. There were 36 students voting. John got two votes for every vote Will got. How many votes did each get? Aligns with 6.RP.A.
Unit Plan
PBS

Pbs: The Lowdown: A Rhythm Etic

For Students 6th - 8th
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...
Unit Plan
PBS

Pbs: Split Time: Real World Rate

For Students 6th - 8th
Dan has to run on a different track in the winter, how can he figure out his split time for the smaller track? This interactive exercise focuses on using what you know about ratios to calculate the correct split time for the different...
Lesson Plan
Dartmouth College

Dartmouth College: Mqed: Geometry in Art and Architecture

For Teachers 9th - 10th Standards
Students learn about art and mathematics. Topics include the golden ratio, platonic solids, and number symbolism. The learning resource includes a description, requirements, syllabus, and bibliography.
Activity
Shmoop University

Shmoop: Ratios & Percentages: Percentages in the Real World

For Students 9th - 10th Standards
Students solve application problems using percents. The mathematics resource consists of examples and practice problems with answers.
Article
Annenberg Foundation

Annenberg Learner: Math in Daily Life: Cooking by Numbers

For Students 9th - 10th
What's the relationship between ratios and cooking? Find out by reading this brief article, which shows you how to use math in order to increase or decrease a recipes output.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Vcr

For Students 3rd - 8th
This resource presents an interesting challenge for the serious mathematician with strong reasoning skills. Explore proportional reasoning, probabilities, fractions, and ratios in this challenge to figure out if you always get six hours...
Lesson Plan
Illustrative Mathematics

Illustrative Mathematics: 7.rp Track Practice

For Teachers 6th - 8th
Angel and Jayden were at track practice. The track is $\frac25$ kilometers around. Aligns with 7.RP.A.
eBook
Other

Canadian Centre for Energy Information: Counting on Gasoline [Pdf]

For Teachers 9th - 10th
In this teaching resource for Grades 8 to 12, students develop an understanding of how gas prices are calculated, applying their Math skills in ratio, percent, data analysis, etc. to real life scenarios.
Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Tv Ratings (Pdf)

For Students 3rd - 8th
Here's a challenge for the avid TV watcher. Use your data interpretation skills to explore America's TV watching habits in this NCTM Math Challenges for Families activity. See if you can figure out which night of the week has the...
Unit Plan
PBS

Pbs: Real World Proportional Relationships: Gender Wage Gap

For Students 6th - 8th
Using this infographic, learn how wage equity today compares with data from 50 years ago, at the dawn of the equal pay movement. The accompanying classroom activity invites students to explore the change in the gender wage gap from 1965...
Activity
Annenberg Foundation

Annenberg Learner: Part C: Fibonacci Numbers

For Students 9th - 10th
Look at an interesting application of ratios that demonstrates the amazing patterns that emerge when we examine mathematics. The Fibonacci numbers are found in art, music, and nature.
Lesson Plan
Alabama Learning Exchange

Alex: Maybe Maybe Not

For Teachers 3rd - 5th
This is a beginning instructional activity on the concept of probability. Through a series of informal comparisons, the student will explore the chances of various outcomes of an event. The student will use vocabulary associated with...
Activity
Interactive Mathematics

Interactive Mathematics: Trigonometric Functions

For Students 9th - 10th
Just about everything you need to know about trigonometry can be found here. Interactive examples and demonstrations help to enhance the lessons. Although not required, the tutorial uses Live Math and Scientific Notebook.
Unit Plan
Education Development Center

Tune in to Learning: Get Going With Rate

For Students 9th - 10th Standards
Explore the concepts of rate, distance, and speed in this interactive lesson. Discover how to use formulas to solve word problems and calculate salaries. A concise lesson with excellent examples, connections to real world experiences,...
Unit Plan
Khan Academy

Khan Academy: Proportion Word Problems

For Students 5th - 7th Standards
Practice setting up and solving proportions to solve word problems. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.