Curated OER
Factoring Trinomials
Learners factor trinomials and quadratics. In this algebra lesson plan, students solve quadratics when the leading coefficient is one. They use a special factoring pattern to solve the trinomial.
Curated OER
Planning for the Voyage - Pilgrim Study Unit
Students locate Plymouth, MA, Hudson River, Cape Cod, Holland and England on a map. They identify the reasons the Pilgrims came to the New World and explain how the investors and the colonists would each benefit from a new colony. After...
Curated OER
Mathematical Properties for Addition
In this math worksheet, students read about and learn the properties of addition. Students study the commutative, associative, identity and inverse properties. There are no problems on this page for students to solve.
Curated OER
Rational Expressions
In this Algebra II worksheet, 11th graders simplify rational algebraic expressions by factoring and cancelling the common factors. The two page worksheet contains instruction, worked examples, and three practice problems. ...
Curated OER
Great River Bend Adventure
Students use their imagination. They discuss the 4 C's of teamwork: Concentration, Communications, Coomperation, and Consideration. Students discuss the safety guidelines of the project. They complete a rope maze. The group walks...
Curated OER
A Model of a Strato Volcano
Students build a volcano model on tag board. They add lava and ash layers simulating the process that builds a real strato volcano cone.
Curated OER
Water Quality Monitoring
Students comprehend the four parameters of water quality. They perform tests for salinity, dissolved oxygen, pH and clarity or turbidity. Students comprehend why scientists and environmental managers monitor water uality and aquatic...
Curated OER
Weather Conditions
Learners list and name various kinds of weather conditions occurring in their city. Using the newspaper as a resource, students answer questions relating to written weather reports. This instructional activity is intended for learners...
Curated OER
Integrating Critical Thinking Skills Into the Classroom
Pupils receive an overview of critical thinking techniques. They break into small groups and practice reasoning through questions, identifying, presenting and justifying their answers.
Curated OER
Wampanoag Indians
Students read stories and listen to a brief lecture about the Wampanoag Indians, aspects of their culture and their role in the first Thanksgiving. They make a Wampanoag carrying pouch out of a paper bag and cook a corn cake as a class.
Curated OER
Diving Raisins
Students participate in a mini lab to explore density. In this density lesson students view a demonstration and answer questions.
Curated OER
Supreme Court
Eleventh graders explore the redistricting process. In this American Government instructional activity, 11th graders examine the electoral map. Students write an essay posing an argument for the redistricting process.
Lawrence Hall of Science
The Math Page: Skill in Algebra: Adding Like Terms
Here is a site that clearly and thoroughly explains adding like terms, including terms with signs and terms within parentheses. There are example problems solved, problems for the student to attempt, and answers to the student problems....
Khan Academy
Khan Academy: Combining Like Terms With Rational Coefficients
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Combining Like Terms With Rational Coefficients
Practice combining like terms for expressions that have rational coefficients. This requires adding and subtracting fractions.
Khan Academy
Khan Academy: Combining Like Terms With Negative Coefficients & Distribution
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers.
Oswego City School District
Regents Exam Prep Center: Adding and Subtracting Polynomials
A detailed explanation of polynomials and like terms is followed with many examples of how to add and subtract them. Lessons for the teacher as well as interactive examples for the students provide plenty of opportunities for practice....
Varsity Tutors
Varsity Tutors: Hotmath: Practice Problems: Adding and Subtracting Polynomials
Twenty-five problems present a variety of problems adding and subtracting polynomials. They are given with each step to the solution cleverly revealed one at a time. You can work each step of the problem then click the "View Solution"...
Texas Instruments
Texas Instruments: Let's Do Summagic
Students learn to quickly add lists of numbers by adding like terms and using the distributive property.
Khan Academy
Khan Academy: Combining Like Terms With Negative Coefficients & Distribution
Practice combining like terms using the distributive property. These problems involve adding and subtracting negative numbers. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Khan Academy
Khan Academy: Adding and Subtracting Polynomials With Two Variables Review
Adding and subtracting polynomials is all about combining like terms. When the terms have two variables, it gets a little bit tricky to figure out which terms are like terms. In this article, we review some examples and give you a chance...
Khan Academy
Khan Academy: Adding and Subtracting Polynomials Review
Adding and subtracting polynomials is all about combining like terms. In this article, we review some examples and give you a chance for you to practice the skill yourself.
CK-12 Foundation
Ck 12: Algebra: Sums and Differences of Single Variable Expressions
[Free Registration/Login may be required to access all resource tools.] Simplify single variable expressions involving addition and subtraction by combining like terms.
Interactive Mathematics
Interactive Mathematics: Add and Subtract Algebraic Expressions
Information is given on how to add and subtract algebraic expressions. Also included is information on terms, coefficients, and like terms, as well as examples to demonstrate how to simplify.