Curated OER
Grade 5 Math: Factorization 2
In this grade 5 math activity, 5th graders write 8 numbers as the product of their prime factors, using exponents to show multiples of the prime factor when needed.
Curated OER
Systems of Equations - Week 6
In this systems of equations worksheet, students solve systems of equations simultaneously. They read story problems, write systems of equations. This two-page worksheet contains eight problems.
Curated OER
Mental Math: Multiplying Multiples of Ten- Reteaching Worksheet
In this mental math: multiples of ten reteaching worksheet, 4th graders review the steps of using a basic fact and a pattern of zeros to multiply mentally. They find the products in 16 examples, and use a table to answer 2 more.
Nemours KidsHealth
Smoking: Grades 3-5
Students discuss the pros and cons of smoking. In this smoking instructional activity, students navigate websites to find information on smoking and then participate in a discussion with specific discussion questions.
Curated OER
Missing Factors
Students explore factors. They discuss factors, factor trees and prime factors. Students practice working with and finding various factors and prime factors. They discuss methods used to find factors.
Illustrative Mathematics
Comparing Products
How can 5th graders show understanding that 30 x 225 is half of 60 x 225 without completing the computation? They can use an area model and draw it out. An array, or an open array, is an area model that allows for young learners to...
Curated OER
Multiplying
What is the product? Scholars solve 30 multiplication practice equations where one factor has two digits and the other has one digit. All are aligned vertically, and several require regrouping. There are three examples to remind scholars...
Curated OER
Prime Numbers and Factors
Solving factor trees is a helpful way to introduce prime numbers. Your math class practices using this method along with two-column tables to find if a number is prime or not. They also learn other vocabulary, such as composite numbers,...
Curated OER
Soybeans: The Miracle Seed
Learners discover why soybeans are called the "miracle seeds." They make their own soynuts and share other foods made from soybeans. They create a bulletin board of soybean products.
Curated OER
Urban Ecosystems 2: Why are There Cities? A Historical Perspective
Second in a series of five lessons, this lesson encourages preteens to consider cities as urban ecosystems. First, they keep a food diary for a few days. They visit the Natrional Agricultural Statistics Service website for current data...
Curated OER
Simplifying Square Roots
Discuss the definition for a simplified form for a square root. Middle schoolers analyze different forms of a square root, the Product Property of Square Roots, and complete a worksheet.
Curated OER
Physical and Chemical Reactions - Factors Which Affect Reaction Rate
A total of five experiments lead chemistry pros to understand the difference between physical and chemical change. They also experiment with exothermic reaction factors that affect rate of reaction. The procedures are not written in the...
Curated OER
A Yen for Maximum Residue Limits in Food
Future public health officials or agriculturists read an article and answer questions concerning the Japanese regulations for pesticide exposure. They compare the maximum residue limit for two, 4-D of Japan with other countries. This is...
Curated OER
Kinetics
In this kinetics worksheet, students review activation energy, rate of reaction, and reaction mechanisms. This worksheet has 13 multiple choice questions.
Curated OER
Symbols in Algebra
Students name and sketch numerical expressions. In this order of operation instructional activity, students add, subtract, multiply and divide using the correct order of operation. They perform four specific calculations for their...
EduGAINs
Go Eco! Ecosystems
How is a movie theater like a desert biome? Compare systems to ecosystems with a set of activities that focuses on accessing multiple intelligences and building upon knowledge. As learners discuss the ways elements of an ecosystem depend...
Illustrative Mathematics
Computations with Complex Numbers
This quick set of problems provides a brief refresher on the arithmetic of complex numbers. Learners need to multiply, add and subtract, and remember features of i when raised to a power. Included solutions are clear enough that...
Chicago Botanic Garden
What Can Tree Rings Tell Us About Climate?
Tree rings are slightly thicker on the south side of the tree because it receives more sunlight. Part two in a series of five lessons helps learners analyze tree rings to determine the environmental conditions that caused size...
K-5 Math Teaching Resources
Multiplication Chart
This is not your run-of-the-mill multiplication chart. Going beyond the standard 12 x 12 limit, this resource includes multiplication facts up through 12 x 20, making it great for supporting children as they continue working toward being...
US Department of Energy
Building the Basic PVC Wind Turbine
Here is a comprehensive and well-written lesson plan that results in learners building a standard wind turbine. Once built, teens can design a variety of experiments to test different factors. This activity is a noble undertaking that...
Curated OER
Multiples
In this multiples learning exercise, learners complete multiple choice questions about multiples of a number and common factors of numbers. Students complete 10 questions.
Curated OER
Super Factors
Students complete activity pages. In this factors instructional activity, students practice finding the factors of numbers. They discuss prime factors and prime factorization and learn how to complete a factor tree.
West Contra Costa Unified School District
Simplifying Radicals – Day 1
It doesn't get simpler than this. Scholars first learn to simplify radicals by determining the prime factors of the radicand. The lesson progresses to simplifying radicals involving algebraic expressions in the radicand.
Nemours KidsHealth
Food Labels: Grades 3-5
Bring awareness to the ingredients scholars ingest daily with two lessons that look deeply into food labels. The first lesson explores the difference between processed and fresh foods while the second lesson focuses on sugar content.