Curated OER
Addition / Subtraction Connection
In this addition and subtraction learning exercise, students write addition and subtraction number sentences that relate to each other and solve word problems. Students complete 6 sets of problems.
Curated OER
Multiplication: Building Models, Representations and Explanations
First graders explore multiplication concepts through skip counting, repeated addition and arrays. Using animal characteristics as a context, 1st graders solve problems using mathematical tools such as hundreds charts, number lines, ...
Curated OER
Ladybug Addition
Students engage in an interesting lesson on addition that encourages class participation through role-play and concrete hands-on activity. They utilize the fact that ladybugs have dots on their bodies to create a fun, hands-on lesson in...
Curated OER
Adding Integers with Counters
Young scholars solve integers using addition. In this algebra lesson, students add integers using counters. They define and label patterns created by integer operations.
Pennsylvania Department of Education
Comparing Sets
Students count back with cubes to model subtraction problems. In this subtraction lesson plan, students compare sets of problems and record their results in a table.
Curated OER
Multiplicative and Additive Identity
Students explore the identity properties of multiplication and of addition. They answer riddles that have to do with the identity properties and observe the teacher explanation of each property as they are modeled on the board. ...
Helping with Math
Fractions: Adding Mixed Numbers (Same Denominator)
Add 30 sets of mixed fractions that have common denominators. Elementary math minds get plenty of practice with this printable page. You will find the answers provided with the click of a box in the upper left corner of the web page.
Mathematics Vision Project
Module 3: Polynomial Functions
An informative module highlights eight polynomial concepts. Learners work with polynomial functions, expressions, and equations through graphing, simplifying, and solving.
Curated OER
Exploring Solving Equations
Put out by Texas Instruments, this lesson involves learners in an activity focused on adding polynomials, solving equations, factoring trinomials, and expanding binomials. A TI-89 calculator is needed to complete this lesson.
EngageNY
Unknown Angle Proofs—Writing Proofs
What do Sherlock Holmes and geometry have in common? Why, it is a matter of deductive reasoning as the class learns how to justify each step of a problem. Pupils then present a known fact to ensure that their decision is correct.
EngageNY
Even and Odd Numbers
Even or not, here I come. Groups investigate the parity of products and sums of whole numbers in the 17th lesson plan in a series of 21. Using dots to represent numbers, they develop a pattern for the products of two even numbers; two...
Curated OER
Slimy Cells
Students create three-dimensional cell models. They may choose to make either a plant or animal cell but must use a Ziploc bag as the cell membrane, slime for the cytoplasm, and strawberry baskets for the cell wall if making a plant...
Curated OER
Common Core State Standards 1st Grade Math
Here are the complete set of the math practice standards and the Common Core standards for first grade. They cover operations & algebraic thinking, operations in base 10, measurement and data, and geometry. Illustrated nicely with...
Curated OER
Presentation to Class and School
How's the weather today? Elementary and middle schoolers plan severe weather awareness day in this lesson on research presentations. They present their research reports, along with their action plan and any other associated products...
Curated OER
A Walk on the West Side
Students comprehend what makes up the physical community. Read and construct scale drawings and models. Explore the history of infrastructures and how the contributions of science, math and industry have led to the development of their...
Astronomical Society of the Pacific
Getting Ready for the All American Eclipse!
Give your pupils a front row seat at the biggest light show in the sky this year! In addition to admiring the total solar eclipse, young astronomers can explain the phenomenon with a little help from an inquiry-based instructional...
Curated OER
"The Beaches of Agnes": Planning a Video Self Portrait
Agnes Varda’s autobiographical “The Beaches of Agnes,” models for young filmmakers the cinematic self-portrait. Far from “old and plump,” Varda is a giant of filmmaking and will inspire your pupils. After watching a clip of this famous...
US Department of Education
A Close Reading of Lincoln’s Gettysburg Address
Abraham Lincoln's Gettysburg Address provides the text for a series of close reading exercises that model for instructors how carefully crafted guiding questions can help readers think critically about what they read, thus developing...
National Humanities Center
Teaching The Great Gatsby: A Common Core Close Reading Seminar
The 41 slides in a professional development seminar model how to use close reading techniques to examine the many layers of F. Scott Fitzgerald's The Great Gatsby. In addition to passages from the novel, slides provide biographical...
Curated OER
Do it With Dominoes
Students explore modes for addition. In this K-2 mathematics instructional activity, students investigate the four models of addition (counting, sets, number line, and balanced equations) using dominoes. Students examine the...
Cold Spring Harbor Laboratory
DNA Is Packaged in a Chromosome
Roger Kornberg, the oldest son of two biochemists, won the 2006 Nobel Prize in Chemistry. Learn about Kornberg and his scientific research with an animation, videos, biography, and an applied problem-solving activity. A summary and...
Curated OER
Blast It! (Learning About Copper)
Opening with background information on copper use and mining, this worksheet assesses junior geologists' reading comprehension. A map activity is available, but the map is not. There is a useful set of vocabulary matching cards and a...
Curated OER
Operations of Polynomials
Students investigate the concept of manipulating polynomials. They go through the process of using algebra tiles in order to practice grouping of like terms and model the solving process.
Curated OER
Models of Development
Students examine the main characteristics of models of development. They list the limitations of each model. They compare and contrast the models and explain how they would move a business toward further development.