Inside Mathematics
Circles in Triangles
Challenge the class with inscribed circles in triangles. The assessment task requests class members use their knowledge of circles and right triangles to prove two triangles are congruent. They go on to utilize their knowledge of...
Curated OER
Discount and Sales Tax
In this Algebra I worksheet, students work with a family member to find the percent of discount and sales tax of three items that are on sale. The twopage worksheet contains fourquestions. Answers are not included.
Curated OER
False Positive Problems
In this algebra learning exercise, students explore the concept of being tested for a disease and getting a result of a false positive. They calculate what the chances are of getting a false positive.
Math Mammoth
Percent Fact Sheet
In this math worksheet, students are given 9 percentage problems that involve conversion, variables, story problems and fractions.
Curated OER
AP Chemistry-Solution Chemistry Practice Problems
In this solutions worksheet, students solve fifteen problems including finding molar concentrations, writing net ionic equations, determining molarity of solutions, identifying oxidized and reduced agents and finding mass percent of...
Curated OER
Percentages: Calculating Percent-1
In this percentages learning exercise, students calculate percentages in eighteen problem solving percentage equations. Students show each step of their work.
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
"NSN, Fractions, Percents, Ratios, Rates" Investigations
Sixth graders engage in an investigation about the concepts related to fractions. They read, represent, compare, and order proper and improper fractions, and mixed numbers. They demonstrate an understanding of relationships involving...
Curated OER
Minority Graduation Rates: A 50-50 Chance
Students read the Civil Rights Project report. Students collect data from graduation rates in their school/district or city. Students compare state and local data. Students discuss and analyze minority graduation rates. Students compare...
Curated OER
Converting fraactions and percents
Sixth graders practice the conversion of percents and fractions. They focus on the fact of both fractions and percents are part of a whole. In the independent practice the students also work with solving proportions.
Curated OER
Percent Worksheet #2
In this percentages worksheet, students calculate the best strategy for finding a certain percentage of ten different numbers. Students show each step of their work.
Curated OER
Fairness in Taxes: Progressive Taxes
High schoolers define and give an example of a progressive tax. They explain how a progressive tax takes a larger share of income from high-income groups than from low-income groups. They examine taxation in other countries.
DK Publishing
Real-life Problems, Working with Fractions
Test your fifth graders' math skills with five word problems involving fractions. After studying two examples at the top of the page, pupils multiply fractions by whole numbers to solve each word problem. The worksheet provides two...
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...
Curated OER
Prime and Composite Numbers
Prime and composite numbers are the focus of this mathematics lesson. In it, learners practice techniques for identifying these two types of numbers. They utilize the Inspiration program to complete a task that is clearly explained, and...
Curated OER
Using Graphical Displays to Depict Health Trends in America's Youth
Identify the different types of graphs and when they are used. Learners will research a specific health issue facing teens today. They then develop a survey, collect and analyze data and present their findings in class. This is a...
Illustrative Mathematics
Coupon Versus Discount
All too often stores give coupons for an item, but when you go into buy it, the item is on discount. The store won’t take the coupon if the discount is used. So what do you do, use the coupon or take the discount? This activity...
Bonneville
Home Energy Audit
Reduce energy consumption and save some money at the same time! The third of seven installments in the A Community Powered by Renewable Energy unit focuses on energy use in the home. Learners investigate the energy needs of small and...
Curated OER
Slopes for the Mathematically Inclined
In this slope learning exercise, 9th graders solve and complete 6 different problems that include completing charts and applying applications to the real world. First, they use the pictures shown to measure the riser and tread of 3...
NOAA
Fishy Deep-sea Designs!
Oceans represent more than 80 percent of all habitats, yet we know less about them than most other habitats on the planet. The instructor introduces the epipelagic, mesopelagic, bathypelagic, twilight, and midnight zones in the ocean....
Curated OER
Build Your Dream Bedroom
Designers measure their own rooms and produce a scale drawing. They use the Internet to visit sites to find the costs of purchasing new carpet, paint, or anything else they would like to add to their room. Using a $1500 budget, they will...
Curated OER
Word Problems Dealing with Ratio and Proportion
Mindful middle-schoolers read and solve a number of word problems. Learners copy and discuss what they believe their strategies are in solving each problem. They also write their findings and share with the rest of the class.
Curated OER
Massive Migrations
Here is an exciting exploration of a fascinating topic for your emerging ecologists: bird migration! They begin by visiting the US Fish & Wildlife Service website to discover which Arctic birds come to their areas. They are assigned...