Curated OER
Looking Through the Algebraic Lens
Students work with rectangles to find generalizations for adding and subtracting odd and even numbers in part one of the instructional activity. In part two, students use geoboards to construct polygons, look for patterns, and find a...
Curated OER
Addition of Like Fractions
In this fraction practice worksheet, students solve 4 word problems that require them to add using fractions with common denominators.
Curated OER
Count by Grouping Into Tens
In this counting by grouping worksheet, students group shapes into tens by circling either groups of 5 or ten in ech. A reference website for additional resources is given.
Math Worksheets Land
Add and Subtract Multi-Digit Whole Numbers
Help young mathematicians see the value in addition and subtraction. Offering one addition and one subtraction problem, this worksheet walks students step-by-step through the solutions of each, starting in the ones place and working...
Curated OER
Using Innovative Approaches To Explore Functions
Use student-directed resource sheets, multiple approaches, and group work instead of drill and kill.
Curated OER
Add Groups of Ten
For this addition worksheet, students add groups of tens and their remainders to determine the missing addends in the pairs of 2-digit problems and then find the sums. Students solve nine problems.
Curated OER
Addition Exercises
In this addition problems worksheet, students view groups of two objects and use them to write the expression, or number sentence, and sum. Students write four answers.
Curated OER
Rule It Out
Here's a way to create math fact flash cards! Learners create their own cards and sort them into matching categories. Students start with addition and work their way up to harder math such as multiplication, and are asked to notice...
Curated OER
Honors Chemistry, Organic Chemistry
Looking for a versatile worksheet on organic chemistry? If so, you might consider this resource. This resource asks learners to identify organic molecules, match terms with their definitions, determine bond angles and hybridization of...
Curated OER
Multiplication: Bugs Can Multiply, So Can I!
Develop multiplication skills with your class. Youngsters will visualize multiplication as repeated addition. Then they will create a multiplication bug book and discover arrays as a strategy for multiplication problem solving....
Curated OER
Expanded Shells
Practice expanded and standard notation in this beach-themed addition activity. You will need to cut out the shell templates, which are in three groups: ones, tens, and hundreds. Learners choose one from each group, then use the...
Curated OER
George's Place
Here is another in the interesting series of lessons that uses money as a learning tool. This one is especially clever! During the lesson, pupils pretend they are eating at "George's Place" diner. Small groups are given one bag of play...
Illustrative Mathematics
Equality Number Sentences
Understanding the concept of equality is fundamental to the success of young mathematicians. To explore this basic idea, children compare the dots arranged in pairs of rectangles in order to determine whether or not they contain an equal...
LABScI
Atomic Structure and the Periodic Table of Elements: The Secret Agent Lab
Food always gets attention! Model atomic structure using fruit loops to represent the subatomic particles. After building models, scholars create ionic bonds using their models. Finally, they use these concepts to create a periodic...
Education Development Center
Sum of Rational and Irrational is Irrational
Sometimes the indirect path is best. Scholars determine whether the sum of a rational number and an irrational number is irrational. Reading a transcript of a conversation between classmates leads to an indirect proof of this concept.
Rice University
Elementary Algebra
Find all the Algebra 1 content in one location. A helpful eBook contains the content typically found in an Algebra 1 course. Concepts range from solving and graphing linear equations to solving and graphing quadratic equations....
Discovery Education
Sonar & Echolocation
A well-designed, comprehensive, and attractive slide show supports direct instruction on how sonar and echolocation work. Contained within the slides are links to interactive websites and instructions for using apps on a mobile device to...
Teach Engineering
Communicating Your Results
Groups analyze and interpret their data from previous research in order to develop individualized findings. The teams then use guidelines to help determine what aspects of their research to include on a poster. Class members...
American Chemical Society
Production of a Gas - Controlling a Chemical Reaction
Though the publisher designated this unit for use with third through eighth grades, this particular instructional activity would be best used with middle schoolers due to the specific measurement skills required. Basically, they set up...
Institute of Electrical and Electronics Engineers
Assembly Line
Working under specific constraints and with designated criteria, groups work together to create a product using an assembly line process. In addition, they work through the entire engineering design process with an excellent graphic to...
Agriculture in the Classroom
The Garden Chef
Introduce young chefs to nutritious eating with a cookbook that is divided into sections focusing on one of the five food groups. It includes lessons, activities, and recipes. How wholesome!
Penguin Books
A Teacher's Guide to the Signet Classics Edition of Mark Twain's The Adventures of Huckleberry Finn
Whether new to teaching The Adventures of Huckleberry Finn or an experienced pro, you’ll find useful resources in this teacher’s guide. The 40-page packet includes background information, historical context, an annotated list of...
Institute of Electrical and Electronics Engineers
Tall Tower Challenge
A fun and challenging activity for nearly any age group, partners must work together to build the tallest structure possible using paper clips, straws, and pipe cleaners. In addition to being tall, the structure must also be able to...
Del Mar College
Solving Systems of Equations
Lets keep the system working and show learners the three ways to solve linear systems of equations. Each method includes step-by-step instructions to work their way through the problem. The same problem is used for each method to show...