Columbus City Schools
Sedimentary Rocks
Turn your class discussion of rock formation from ho-hum to holy hornfels! Junior geologists gain experience in identifying rock types and rock origins, with an emphasis in hypothesizing the environment needed to form certain rocks. The...
Mathematics Vision Project
Structures of Expressions
This comprehensive unit investigates transformations of quadratics, having learners follow "Optima" through the development and growth of her quilting business. Deftly weaving the story into the mathematical mechanics, the unit gives...
Primary Resources
Identifying Ratios
Kids complete three different activities to better understand how to identify ratios and then write them in simplest form. Ratios are represented by fraction strips of two different colors. Pupils write what ratio of blue to red is...
Curated OER
Reduce Improper/Mixed Fractions
In this reducing improper/mixed fractions worksheet, students reduce twenty four fractions to their simplest forms while showing each step of their work.
Curated OER
Reduce Fractions With 2-digit Numerators
In this reducing fractions with two-digit numerators worksheet, students reduce twenty four fractions to their simplest forms.
Curated OER
Reduce Improper/Mixed Fractions
In this reducing improper/mixed fractions worksheet, students reduce twenty four fractions to their simplest forms while showing each step of their work as they go.
Curated OER
Reduce Fractions With 2-digit Numerators
In this reducing fractions with two-digit numerators instructional activity, students reduce twenty four fractions into their simplest forms.
Curated OER
Linear Equations
In this linear equations worksheet, students solve and complete 74 various types of problems. First, they solve each equation as shown. Then, students write the answer as a whole number or a fraction in reduced form.
National Park Service
Reduce Our Carbon Footprint, Let’s Compost!
Roll up your sleeves and get a little dirty with this elementary and middle school compost lesson. All you need is a large plastic container, a couple old newspapers, some organic waste, and a few hundred worms and you're ready to start...
WE Charity
High School–Module 2: Circular Economy and Nature
Everyone's heard the popular slogan reduce, reuse, recycle, but there may be a better way to talk about sustainability. Using the second lesson from the five-part WE Are Innovators—High School Modules series, learners explore issues...
CK-12 Foundation
Decimal Multiplication: Reducing the Weight
Eight questions challenge mathematicians to multiply decimals. A color-coded tool with movable parts assist participants in answering word problems. Item response types include fill in the blank, multiple-choice, and a discussion. Â
Curated OER
Ratio Worksheets
In this ratios learning exercise, students complete the ratios of quantities of money, time, and measurements in the lowest terms. Students complete 8 problems total on this learning exercise.
Curated OER
Reducing Adjective Clauses Part 2
In this reducing adjective clauses part 2 worksheet, students read the explanation for shortening a relative (adjective) clause with an active voice verb, then interactively completes 10 sentences by reducing the modifying clause to a...
Curated OER
Linear Systems and Echelon Forms
Eleventh graders define various types of linear systems and three types of solutions. In this linear system and echelon forms instructional activity, 11th graders solve a linear system using elementary row operations. Students also...
Curated OER
Stats on Reduced-Fat
Students demonstrate an understanding of the Five-Number Summary and Box-Plots after analyzing data from nutrition labels, forming a hypothesis and supporting it. They decide if there is a significant difference between reduced fat and...
Curated OER
Analyzing Oxidation-Reduction Reactions
In this oxidation-reduction reactions learning exercise, high schoolers read about reactions where elements gain and lose electrons. When elements gain electrons they are reduced and when the lose electrons the elements are oxidized....
Curated OER
Scientific Inquiry
Students create a poster. In this recycling lesson, students discuss pollution and the ways humans negatively affect the environment. Students describe examples of litter or pollution they have experienced. Students collect litter from...
Curated OER
MA 371 - Linear Equations 1
In this linear equations worksheet, students solve 8 short answer problems. Students write augmented matrices given a system of equations in two and three variables. Students express their answers using an augmented matrix in reduced row...
Curated OER
Reduce Simple Fractions
In this reducing simple fractions worksheet, students reduce twenty four fractions to their simplest forms while showing each step of their work.
Curated OER
Maus Lesson Plan
The artistic choices Art Spiegelman made in his graphic novel, Maus, are the focus of an exercise that asks class members to compare classic comic book forms with Spiegelman’s panels and frames. Directed to specific pages and guided by a...
University of North Carolina
Psychology
Psychology, the scientific study of the human mind and behavior, is a popular major for many college students. An informative handout outlines common assignments in psychology courses. Scholars see how to design a research proposal,...
Curated OER
The Movement Before the Movement: Civil Rights Activism in the 1940s
Many educators focus on the civil rights movement as it occurred after Rosa Parks incited the bus boycott. Extend the understanding of the fight for civil rights in the United States with this post-WWII lesson. Learners examine and...
Annenberg Foundation
Spirit of Nationalism
What were the virtues and values that helped form America? Pupils watch and discuss a video, read biographies of early Americans, chart the differences between early American religious movements, write journals and letters, draw, and...
Curated OER
MA 371 Homework 1: Vectors
For this vectors worksheet, students solve 7 short answer problems. Students find vectors that are orthogonal. Students solve systems of equations by converting matrices into reduced row echelon form.