Curated OER
Addition and Subtraction of Rational Expressions
In this rational expression worksheet, students add and subtract fractional expressions.  They completely factor the numerator and denominator.  Explanations and examples are provided at the beginning of the document.  This two-page...
Curated OER
Planetary Alignments
In this planetary alignments activity, students use 2 different methods to find out when planet alignments will occur. They use a three number series and they use least common multiples to find out when Mercury and Venus will align.
Curated OER
Economic Crash and Recovery
Students compile research notes on the Great Depression through library and internet research. They research a New Deal policy and orally present their findings in order to create a class matrix on the different New Deal policies of the...
Curated OER
Families of Functions
Learners use sliders to change the parameters of functions and examine how shifting parameters affects a graph. They identify the parameters of functions, find vertical and horizontal stretches, then calculate the scale factor and other...
Curated OER
Factorizations
In this math worksheet, students find the answers for finding the factors for each whole number. They could use factor trees to find the solutions.
Curated OER
Prime Factors
In this prime factors worksheet, students solve and complete 20 different problems related to prime factors of various numbers. They determine the factors for each given number by multiplying various numbers together to get another number.
Curated OER
Mastering Math Vocabulary
Fifth graders investigate factors by utilizing mathematical terms.   In this number sense lesson plan, 5th graders discuss and define terms such as factors, multiples, and denominators.  Students create a Venn Diagram when...
Mt. San Antonio Collage
Quiz 2: Polynomials
Four questions that get right to the polynomial point. High schoolers list all the attributes of a polynomial function, including finding all complex zeros. The last two questions prompt them to write a function based on the given...
Curated OER
Bering Sea Buffet - A Foodweb Activity
Life in the Bering Sea, food webs, and the ocean ecosystem are introduced with a map activity. The lesson starts as kids explore maps and images of the Bering Sea, then it kicks into high gear as they start to discuss the types of...
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice. 
Education Development Center
Integer Combinations—Postage Stamps Problem (MS Version)
Number patterns can seem mysterious. Help your learners unravel these mysteries as they complete an intriguing task. Through examination, collaborative groups determine that they are able to produce all integers above a certain...
Curated OER
Factoring
In this math worksheet, students complete problems involving factoring. In the first section, they find all factors of a number. Students find the least common multiple and the greatest common factors. This is a worksheet generator. The...
Curated OER
Adding and Subtracting Fractions
In this adding and subtracting fractions worksheet, students solve 5 sets of problems related to the adding and subtracting of fractions. First, they identify that each fraction has a common denominator and then simplify by adding or...
Curated OER
Investigating Factors That Affect Rate of Enzyme Action
Students explore the properties of enzymes. In this chemical reaction lesson plan, students explore enzymes through a Web-quest and investigative study. Students will collect and summarize data and create a class presentation. This...
Curated OER
Ethics: Study Help and Quiz
In this online interactive philosophy instructional activity, learners respond to 13 multiple choice questions based on the analysis of Ethics by Aristotle.
Curated OER
Solving Algebra
In this algebra worksheet, students define greatest common factors, least common factors and solve word problems dealing with GCF and LCM. There are 10 questions with an answer key.
West Contra Costa Unified School District
Factoring Quadratic Expressions
Factor in different strategies in a lesson for factoring quadratics. Young mathematicians first create tables and area models to factor quadratic trinomials into two binomials by guess and check. Learners then investigate how they can...
Houghton Mifflin Harcourt
Unit 4 Math Vocabulary Cards (Grade 3)
Bring a set of 19 math vocabulary cards to your third grade math class. Each sheet contains two cards. The top half has the vocabulary word printed in bold text, while the bottom half has the definition of the word. Card topics...
Inside Mathematics
Sorting Functions
Graph A goes with equation C, but table B. The short assessment task requires class members to match graphs with their corresponding tables, equations, and verbalized rules. Pupils then provide explanations on the process they used to...
NY Learns
Geography of the Fertile Crescent by ECSDM
Using Google Earth, a vocabulary assignment, and map handout, your class members will outline the Fertile Crescent in Mesopotamia and identify the source of the Tigris and Euphrates rivers. They will then complete graphic organizers...
Curated OER
Quadratic Equations with Negative Discriminate
Solve polynomial equations of degree using different theorems and apply the zero factor theorem for unknown numbers in a quadratic equation. Also use the discriminate to find out the kind of solutions to given quadratic equations shown.
Soft Schools
Multiplication Table
Use the multiplication table as an aid for young mathematicians who are learning their multiplication facts. Children can explore the concept of multiplication by using the factors in the far left column and the top row to determine a...
Curated OER
Factoring
Ninth graders factor equations and find prime numbers. In this algebra lesson, 9th graders find the factors and prime factors of a number using multiples and relatively prime numbers.
Curated OER
Multiples Worksheet (1 of 2)
This is a progressive introductory assignment on determining the least common multiple of pairs of numbers. First, eight numbers are listed for learners to simply practice writing multiples for. They write down the first six multiples...