EngageNY
Relationships Between Quantities and Reasoning with Equations and Their Graphs
Graphing all kinds of situations in one and two variables is the focus of this detailed unit of daily lessons, teaching notes, and assessments. Learners start with piece-wise functions and work their way through setting up and solving...
Kenan Fellows
Multivariate Least Squares Regression Model with Variable Selection
The risk of contracting an infection in the hospital is low, but it does happen. Learn what risk factors have the highest correlation with hospital-acquired infections in the final lesson of a three-part series. Using the open source R...
Annenberg Foundation
Contested Territories
United States expansion into Western territories impacted much more than just lines on a map. The seventh installment of a 22-part series about America's history puts scholars into the lives of those making the journey westward as well...
Discovery Education
Perfectly Decomposed!
We all know someone who won't eat the banana with a brown spot, the grape with a dimple, and the apple with a bruise. Scholars use different fruits to explore what happens when fruits really start to decompose. They set up an experiment...
The New York Times
Kiev in Chaos: Teaching About the Crisis in Ukraine
Provide a historical context for the political unrest between Russia and Ukraine that began in late 2013. Learners review their prior knowledge and chronicle new understandings with a KWL chart, watch a video explaining the Ukrainian...
It's About Time
Diversity in Living Things
How diverse is the world we live in compared to the way things used to be? Young biologists explore diverse organisms and relate the structure of each organism to its ability to survive in our current environmental conditions....
CK-12 Foundation
Area and Volume of Similar Solids: Similar Solids
Five questions make up an interactive designed to boosts knowledge of area and volume of solid figures. Question types include multiple-choice, true or false, and fill-in-the-blank. A scale model changes measurement to provide a visual...
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.
Curated OER
Napier's Rods
Young mathematicians explore the concept of multiplication using Napier's Rods. They use Popsicle sticks to create a 3D model of Napier's Rods. Pupils multiply multiple digit numbers using Napier's Rods.
CK-12 Foundation
Expression Evaluation with Different Denominators: Adding Mixed Fractions of Water
An interactive challenges mathematicians to add mixed fractions with unlike denominators. Five questions—fill-in-the-blank and multiple-choice—build from one to the next leading the way to an open discussion about denominators and...
Concord Consortium
Stoichiometry and Balancing Equations
Is your stoichiometry lesson plan just not adding up? Incorporate an exciting interactive to balance things out! Chemistry scholars manipulate the number of molecules added to the reaction vessel, then observe as bonds form and break as...
EngageNY
Mid-Unit Assessment: Text-Dependent Questions about “The TV Guy”
Say hi to the TV guy. Readers finish their mid unit assessments by reading The TV Guy and answering text-dependent questions. Learners complete multiple choice as well as short and long answer questions pertaining to comprehension,...
Curated OER
Finding LCM
In this finding LCM worksheet, students read a substantial amount of information about finding LCM for numbers, then complete 20 problems using the information given.
Curated OER
Prime Factorization with Factor Trees (1 of 2)
Six numbers (12, 32, 50,48,36, and 75) are given to learners to craft factor trees with. The first one is completed as an example in this first of two similar online worksheets. Note that where factorization is an foundational step in...
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...
Curated OER
What Are You - Prime or Composite
Students explore the concept of prime factorization. In this prime factorization lesson, students participate in an activity where they find the prime factorization and greatest common factor of a number derived from their name. Students...
Curated OER
Mathematics Within: Algebraic Processes and Its Connections to Geometry
Fifth graders discover the connections between algebra and geometry. With a focus on arrays and factors, they are introduced to multiplication. They develop an array for multiples of 2 through 10 and identify the factors of each row....
Curated OER
Multidigit by One-Digit Multiplication
Third graders explore multiplication skills. In this multiple digit multiplication lesson, 3rd graders explore visual examples multiplying multiple digit numbers by 1-digit numbers. Students also practice solving problems that their...
Curated OER
Exploring Multiplication Functions
Fourth graders investigate the terms "factor" and "product." In this mathematics lesson, 4th graders practice solving problems to find the products and factors present in different algebraic expressions.
Curated OER
Prime Real Estate
Students analyze and discuss prime numbers and the Sieve of Eratosthenes, a procedure to sort out prime numbers. They identify the prime numbers from 1-100 by eliminating all the multiples of the first four prime numbers, and circle what...
Curated OER
Lesson 56
Sixth graders practice Least Common Multiple in fractions. In this fraction lesson, 6th graders look at two different fractions and find a common denominator. They sing a song to memorize mean, median, and mode.
Curated OER
SAT Grid Practice Test 07
In this practice test worksheet, students solve percent problems, find the probability of given events, determine the median, and find the unit price. This one page worksheet contains ten multi-step problems.
Curated OER
Exponents and Factoring
In this exponents and factoring worksheet, 9th graders solve and complete 32 different problems that include simplifying a number of equations. First, they write each expression with only one exponent. Then, students simplify to a number...
Curated OER
And the Number Is (Second Grade)
Second graders create Mystery Numbers. They give the class clues about the name, value, and multiples of the digits which make up the number.