Illustrative Mathematics
Representing Half of a Circle
Geometric shapes make great visual models for introducing young mathematicians to the concept of fractions. Looking at a series of four circles, students are asked to determine whether or not one half of each circle is shaded. To support...
Curated OER
Intro to Mayan Numbers
Learners investigate Mayan Numbers. In this algebra lesson, students compare our number system to the number system of the Mayans. They identify base 10 and base 20 numbers including zero in the Mayan symbols. They solve a Mayan problem.
Curated OER
Population and Air Pollution
Students conduct Internet research to compare the impact of increasing populations and how it affects air pollution in both, the USA and Russia. Students present their finding in a creative manner by developing brochures, bumper...
Alabama Learning Exchange
Inner and Outer Planets
Young scholars explore the solar system. In this planets lesson, students learn about the other planets in the solar system. They watch a video clip from National Geographic on the solar system, compare and contrast the planets and...
Curated OER
Ballads and Communication
Students compare and contrast different forms of communication.  In this poetry lesson, students focus on the ballad form and read "Timothy Winters". Students draw conclusions from the ballad and divide into groups to research the...
Curated OER
Problem Solving and the Sports Page
Fourth graders create and solve sports-related word problems.
Curated OER
Maskerade, My Self, And No Other
Students examine themselves, discover their strong, positive attributes, and recognize areas in need of improvement (since each individual possesses strengths but all people have some weaknesses). They develop  self-acceptance, trust in...
Curated OER
Gatsby and the American Twenties Newspaper
Young scholars research 1920's US History.  In this historical literature lesson, students use the novel The Great Gatsby as a tool to examine the era.  They work in individually to create newspaper articles based on different...
Curated OER
Veggie Chop and Data Analysis
First graders chop vegetables into fractions. In this fractions lesson, 1st graders cut vegetables, collect data about favorite vegetables and create a bar graph using the information. Students make inferences about the data and...
Curated OER
Students' Strides
Complete problems using base ten blocks to see the difference in the place value of a decimal and how it affects a number's value. Learners compare decimal values as well. Ample time for discussion and modeling are allowed in the...
Virginia Department of Education 
Ground Zero
Don't harbor any negative feelings toward negative numbers. Scholars learn about different classifications of rational numbers, including negative integers. They also develop definitions of the opposite and the absolute value of a...
Curated OER
Prairie Math
Students work together to build models of prairie plants. Using the model, they estimate the height and then measure them using metric and standard units. They write a fraction to represent their part of the whole set and compare and...
Curated OER
We the People: A Study in American Voter Turnout: US Government
Students examine and compare voter turnout in US Elections. They write a letter to a favorite candidate or representative suggesting ways to increase voter turnout.
Curated OER
What's Organic?
Learners discuss background information presented by the teacher and read dictionary definitions for the words "organic" and "synthetic." In this gardengin lesson, students complete a worksheet on the material. Learners grow and compare...
Curated OER
Comparing and Ordering Positive and Negative Fractions
The comparison and ordering of positive and negative fractions is the focus of this math lesson. Sixth graders are given one card each that has a fraction written on it, and they must put themselves into the proper order in a "human...
Curated OER
Math: Football League Statistics
Students examine a soccer league final standings chart and then answer 12 questions based on the information provided. They calculate some answers in both fractions and percentages.
Curated OER
Compare Fractions Using Fraction Circles
Fourth graders practice ordering fractions using models and drawings.  In this math model instructional activity, 4th graders utilize colored blocks and drawings to show an equal representation of given fractions.  Students...
Curated OER
Just the Facts! Exploring Order of Operations and Properties of Real Numbers
Sixth graders explore the concept of order of operations. In this order of operations lesson, 6th graders view a powerpoint about order of operations in society. Students post on a blog about order of operations. 
Scholastic
Dear Miss Breed
This compelling plan based on the letters in the book Dear Miss Breed engages readers in learning what it was like for Japanese Americans following the attacks at Pearl Harbor. After reading the letters, young scholars will...
Science Matters
Richter Scale
The 12th lesson in a series of 20 opens with a demonstration of exponential functions using pasta. This concept is connected to the Richter Scale, which is also an exponential function. Scholars compare the exponential scale that...
Illustrative Mathematics
Banana Bread
Show your future bakers how to choose the right baking pan by calculating the volume of a pan. The resource compares two pans, one with decimal edge lengths and is too small for the recipe and one that may work. Your number crunchers are...
TELEC
What's Your School Like?
S1 and S2 language learners practice the skills of predicting and scanning as they examine images and read the script of interviews with two young students.
Virginia Department of Education 
How Much is that Tune?
Tune in for savings! Scholars investigate pricing schemes for two different online music download sites. After comparing the two, they determine the numbers of songs for which each site would be cheaper.
American Statistical Association
What is the Probability of “Pigging Out”
Learners apply their understanding of luck to a probability experiment. They play a game of Pass the Pigs to determine the probability of a specific outcome. Using analysis for their data, pupils declare the measures of center, dot...