Illustrative Mathematics
Adding Tenths and Hundredths
Learning to add fractions with different denominators presents a big hurdle for many young mathematicians. Simplify the process for learners with this series of practice problems involving the friendly fractions tenths and hundredths....
Teach Engineering
Introduction to Environmental Engineering
A series on environmental engineering introduces the class to issues that environmental engineers work to solve. This first lesson focuses on air and land issues, and looks at ways to reduce pollution.
Teach Engineering
You've Got to See it to Believe It!
Youngsters develop an understanding of how smog is produced, and how exhaust from automobiles is one of the major sources of smog. They explore the roles that engineers play in developing technologies that reduce smog, then work in teams...
Curated OER
Reviewing With Games
Change up your review strategies to reduce testing anxiety and appeal to multiple intelligences.
Curated OER
Effective Writing Prompts: Getting Beyond the Dark and Stormy Night
Help struggling writers with strategies to reach different learning styles and reduce anxiety.
Exploratorium
Polarized Sunglasses
Reflected waves of light move within a plane, and because of this, polarizing materials can reduce the glare our eyes see. This resource explains how to set up a demonstration of this effect. Consider it for use in your physical science...
START-Education
Equation Solving Review B
This nicely organized learning exercise provides eight problems for your learners to practice solving linear equations. Starting with two-step problems and working up to multi-step equations, young mathematicians are instructed to write...
Cornell University
Fibers, Dyes, and the Environment
Nanofibers can be made through electrospinning or force spinning in order to reduce the negative impact on the environment. Pupils study the role of fibers and dye on the environment through a series of five hands-on activities. Then,...
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
Reduce, Reuse, Recycle
Learners brainstorm and share opinions about products that can be reused or recycled after reading the article, "Seattle's Recycling Success Is Being Measured in Scraps." They then investigate, analyze and evaluate articles on recycling...
Curated OER
Simplifying Fractions Practice Sheet-A
In this simplifying fractions worksheet, students solve 30 problems in which fractions are simplified or reduced to lowest terms. Denominator range is from 4 to 39. There are detailed examples at the top of the page.
Curated OER
Augmented Matrices
Pupils write systems of equations in an augmented matrix and enter it into their calculator. They use the reduced row echelon function on the calculator to solve the system of equations.
Curated OER
Recycling Activity Book
In this recycling activity, students complete the activities in a 19 page activity book pertaining to reducing, reusing and recycling. Included are: coloring, crafts, fill in the blanks, dot to dot, mazes, word search and crossword puzzles.
Curated OER
The Total Package
Students design streamlined packaging designed to reduce waste production. In this waste reduction lesson plan, students view a diagram to introduce the concept of the engineering design process and discuss ways that packaging can be...
Curated OER
Simplify to the Lowest Term
In this simplifying fractions learning exercise, students multiply five sets of fractions and simplify their answer to the lowest terms.
Curated OER
Simplifying Fractions
In this fraction multiplication worksheet, students complete six fraction multiplication problems where they must simplify the answer to the lowest terms. There is an area on the worksheet to show all work.
Curated OER
Fraction Simplification Worksheets 1-10, Level 4
In these simplifying fractions worksheets, students read two-digit and three-digit fractions and convert them to their lowest terms. Students solve 120 problems.
Curated OER
MA 371 Homework 1: Vectors
In 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.
Curated OER
Make Your Own Newspaper Plant Pots
Students make plant pots out of newspaper as part of a recycle, reuse, and reduce lesson plan. In this recycling lesson plan, students fold a piece of newspaper to make a pot in which to start plants. They fill it with compost and plant...
Curated OER
Recycling Superhero Dot to Dot
In this recycling superhero dot to dot worksheet, student follow the numbers 1-97 to determine the hidden shape. They read a statement that explains how reducing, reusing, and recycling are good for the planet.
Curated OER
Electrochemistry Homework Problem Set
In this electrochemistry worksheet, students balance 10 chemical equations and complete 28 additional questions about electrochemical cells.
Curated OER
Electrochemistry
In this redox worksheet, students answer 8 questions. They use a diagram of a Galvanic cell to answer questions as well as write balanced equations and solve problems.
Curated OER
Add Fractions With Like Denominators (J)
In this adding fractions worksheet, students add 2 fractions that have the same denominator. Students are to complete 14 problems.
Curated OER
Reduce and Reuse
Students conduct a lunch waste audit by recording each item they throw away at lunch. They graph class lunch waste. They use this information to devise a plan of action to reduce lunch waste. There is also an activity to make paper.
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