National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Noyce Foundation
Time to Get Clean
It's assessment time! Determine your young mathematicians' understanding of elapsed time with this brief, five-question quiz.
Curated OER
Mixing Colours
Learners explore ratios and their relationships to fractions. They explain the process of identifying ratios and describe their comparison. Students write ratios as fractions and by using colons. They convert the ratios to percents.
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...
Hawaiʻi State Department of Education
Kapa Designs
I always knew there was a connection between art and math, and this lesson proves it. Fifth graders will use what they know about ratios and percents to design art inspired by Polynesian kapa cloth. A grid, specific guidelines, and the...
Noyce Foundation
Photographs
Scaling needs to be picture perfect. Pupils use proportional reasoning to find the missing dimension of a photo. Class members determine the sizes of paper needed for two configurations of pictures in the short assessment task.
Curated OER
Corporate Profits vs. Jobs
Bring the Occupy Movement debate to your classroom. This political cartoon analysis offers a chance for pupils to explore their personal ideas about corporate America and current economic issues. Background information is provided to...
Teach Engineering
About Accuracy and Approximation
How accurate are robots? Groups draw lines by moving robots backwards and forwards by one rotation of the wheels. Using the appropriate formula, they determine the percent error in the length of the lines in relation to the calculated...
Inside Mathematics
Snakes
Get a line on the snakes. The assessment task requires the class to determine the species of unknown snakes based upon collected data. Individuals analyze two scatter plots and determine the most likely species for five additional data...
Noyce Foundation
Truffles
Knowing how to scale a recipe is an important skill. Young mathematicians determine the amount of ingredients they need to make a certain number of truffles when given a recipe. They determine a relationship between ingredients given a...
Inside Mathematics
Picking Apples
Getting the best pick of the apples depends on where to pick. The short assessment presents a situation in which class members must analyze a real-world situation to determine the cost of picking apples. The pricing structures resemble...
Noyce Foundation
Boxes
Teach your class to think outside the box. Scholars use the concept of equality to solve a problem in the assessment task. They determine how to use a scale to identify the one box out of a set of nine boxes that is heavier than the others.
Curated OER
Cartoons for the Classroom: 2012 Mid-Term Elections
Use a political cartoon to help scholars grasp the significant turnover in Congress following the 2012 mid-term election. A Mike Keefe cartoon uses symbols and current political lingo to convey perspective on the issue, and background...
Curated OER
Inscribing a Square in a Circle
Inscribing a square in a circle brings up a number of interesting geometry topics including triangle congruence and how to prove a quadrilateral is a square. This activity is followed up by finding the area of the square and determining...
Curated OER
Solid Waste and Recycling
Learners demonstrate effects of waste on environment and ways of reducing it, observe how much packaging goes into bag lunches each day, and survey their families to assess awareness levels and household recycling practices. Lessons all...
Curated OER
Fact Or Opinion
Groups of junior highers find newspaper articles which contain both facts and opinions, and present examples of each to the class. The focus is on discerning between fact and opinion. Two excellent worksheets are embedded in the plan...
Curated OER
Cartoons for the Classroom: Comparing Democracies
Could a president just ignore election results? In this analysis handout, scholars consider this question as they read background information on the 2008 elections in Zimbabwe. Two political cartoons poke fun at President Robert Mugabe,...
Curated OER
Cartoons for the Classroom: Unemployment
It's the classic paradox in this political cartoon analysis; any jobs plan requires extra government spending. However, the unemployed aren't willing to concede to more federal spending for what they want most, jobs. Background...
Baylor College
Using Food Labels
Help your class make sense of nutrition labels with the ninth lesson of this series. After explaining the different information provided on packaged food labels, perform an activity that demonstrates the amount of sugar in a single can...
Curated OER
Multiplying Decimals and Mixed Numbers
Students multiply decimals and/or mixed numbers. They explore the effects of multiplying decimals and mixed numbers. They practice estimating answers when a number is multiplied by a decimal or mixed number.
Curated OER
Locker Room Maxims
In this locker room maxim, students examine letters that represent words. They decipher the puzzle to reveal a cliche. This four--page worksheet contains 22 problems. Answers are provided on the last two pages.
Curated OER
Cartoons for the Classroom: Drawing the Line on Financial Reform
In this current events worksheet, students analyze a political cartoon about the financial reform legislation and respond to 3 talking point questions.
Curated OER
Fraction and Decimal Ordering
Ordering numbers just got physical! Learners practice putting numbers in sequence, both in fraction and decimal form. To begin, they line up in birthday order and discuss the difference between ascending and descending. They are then...
Curated OER
Interactive Fractions
Students determine the common denominator of two unlike fractions. They practice adding fractions and finding equivalent fractions of numbers. They compare and contrast different types of equations involving fractions and construct...