Illustrative Mathematics
Accuracy of Carbon 14 Dating II
The scientific issue of carbon-14 dating and exponential decay gets a statistics-based treatment in this problem. The class starts with a basic investigation of carbon content, but then branches out to questions of accuracy and ranges of...
Curated OER
Fractions, Decimals and Percentages
In this fractions, decimals and percentages worksheet, learners change percentages to fractions and simplify. An answer key is provided.
Yummy Math
Steep Hikes
Grab your hiking gear and get ready for a math adventure! Learners explore the meaning of percent grade change, as compared to the slope in an excellent worksheet activity about hiking trails in the mountains of New Hampshire. They use...
Curated OER
Laboratory: Fe and Cu (II) Redox Reaction
In this redox reaction laboratory sheet, chemists answer eight post-lab questions about oxidizing agents, reducing agents, oxidized and reduced substances, and percent yield of products. You will need to provide a proedure for...
Curated OER
Phases of the Moon
Sixth graders learn that the moon orbits the Earth in a predictable cycle. Each learner engages in a two-week observation of the moon. They sketch its appearance, and take note of its position in relation to objects in their yard. Some...
Curated OER
Food Fat
Students evaluate snack foods based on calories and fat. In small groups, they use this information to make informed and wise food choices. Students graphically represent the fat in a food by measuring the equivalent of the food fat with...
Curated OER
The Changing Me
Third graders study the human body. In this health instructional activity, 3rd graders discuss that everyone's body is growing, measure body parts using a tape measure, and color the body worksheet.
Curated OER
Batting the Unknown
Students use batting averages to provide a measure of a player's past success. They use Algebra to calculate required performance to improve the average. Students compare baseball batting statistics early in the season and late in the...
Curated OER
Chemical Solutions
In this chemical solutions worksheet, Students determine the significance of the critical point in a phase diagram and rank solutions from weakest to strongest solute-solvent interaction. This worksheet has 4 problems to solve.
Curated OER
Percentages: Converting Fractions and Decimals to Percents
Students calculate percentages. In this percentages lesson, students count the total number of floor tiles covering a given space, measure a designated section of the room, and then calculate the percentage of the room this area covers.
Los Angeles County Office of Education
Assessment for the California Mathematics Standards Grade 7
In need of an all-inclusive seventh grade math resource? Packed full of the topics necessary for Pre-Algebra the packet includes practice problems with different difficulty levels. It works great for any supplemental use needed in the...
San Francisco Symphony
The 20% of Beethoven
Compare Beethoven's fifth symphony to latin music and disco. Learners will listen to and discuss the elements found in the first part of Beethoven's composition. They'll then look for the same elements in Tito Puente and Bee Gees songs....
Curated OER
Numbers and Operations
Pupils practice using proportions to discover the fraction needed to use the right amount of an ingredient. They calculate the number of ounces in one gallon as well. They answer questions to complete the lesson.
Curated OER
A Single Lucid Moment
Students examine a case study of contrasting values between cultures. They read and discuss a story of a family of Peace Corps volunteers in Papua New Guinea, write a response to the story, and write a script for a dramatization of the...
Virginia Department of Education
Middle School Mathematics Vocabulary Word Wall Cards
Having a good working knowledge of math vocabulary is so important for learners as they progress through different levels of mathematical learning. Here is 125 pages worth of wonderfully constructed vocabulary and concept review cards....
Council for Economic Education
Government Spending: Why Do We Spend the Way We Do?
Students examine the categories for federal spending using the internet to locate them. They create a list of expenditures noting them as government purchases or transfer payments. They analyze the patterns of spending during the past 40...
Curated OER
Let's Make Fudge
Students make fudge after reading fractional values in recipes and finding equivalent fractions to those presented in the recipes. They study measurement abbreviations.
Curated OER
Separate But Equal? A Lesson on the Briggs v. Elliott Case in Claredon County, SC
Third graders discussschool integration. In this racial inequality instructional activity, 3rd graders read Remember: The Journey to School Integrationand discuss the school facilities and how people must have felt. Students watch a...
Curated OER
The Talking Goat Lesson
Students analyze the meanings and patterns of a folk tale. They respond in their reading journals to the following prompts: How do you feel about the way "The Talking Goat" ended? Why? Which did you like better: your group's predicted...
Inside Mathematics
Party
Thirty at the party won't cost any more than twenty-five. The assessment task provides a scenario for the cost of a party where the initial fee covers a given number of guests. The class determines the cost for specific numbers of guests...
Curated OER
Calculating Interest
Students explore the concept that when money is borrowed, people pay to use it because someone else is losing an opportunity to use it while they have it. What you pay to use the money is called interest. The rate of interest is a...
Curated OER
Fickled Fractions
Students explore which fractions are made real in our world. They also show the relationship of cross multiplication and equivalent fractions To reinforce fraction skills.
Curated OER
Finding Patterns in Fractals
Students discover patterns and sequences. They use a website to explore patterns and fractals. Students share their discovery of fractals and their patterns with the class. They develop a list of patterns used in everyday life.
Curated OER
Percentages
In this percentages activity, students study the information and examples on a one page text. Students then solve 14 problems in which decimals and percentages are converted. Students also convert percentages to fractions.