Curated OER
Prime And Composite Numbers - Fuzoku Elementary
Fourth graders investigate the concept of prime and composite numbers. Students study the visual representation for the numbers and use the pictures in order to develop designs for larger numbers. The goal of the lesson is for them to...
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
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
Smiling at Two Digit Multiplication!
How do I solve a two-digit multiplication problem? Your class tackles this question by walking through problem solving methods. They first investigates and applies traditional multiplication methods, and they then compare those with...
Virginia Department of Education
A-Mazing Plants
Have your young scientists questioned why plants grow a particular way? Through this learning opportunity, scientists gain firsthand knowledge about how plants develop and various factors that affect rates of growth as they bring plants...
Curated OER
Scale Factor Area Perimeter
Mathematicians compare triangles at different scales. In this geometry lesson, students calculate the area and perimeter of triangles. They use the Ti to make observation of the change that takes place as the triangles are dilated.
Curated OER
Exploring Products of Fractions
Learners solve six multiplication problems, in simplest form, then answer four questions about the products of two fractions.
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.
Curated OER
Exploring Multiplication Functions
Fourth graders investigate the terms "factor" and "product." For this mathematics lesson, 4th graders practice solving problems to find the products and factors present in different algebraic expressions.
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,...
Pennsylvania Department of Education
Multiplication Using Arrays
Explore the concept of multiplication by using arrays. Classmates use arrays to gain a better understanding of multiplication. They break arrays apart to model the distributive property of multiplication over addition. The relationship...
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
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...
Earth Day Network
Staying Green While Being Clean
Clean up the environment with a lesson that focuses on replacing hazardous cleaning supplies with green, environmentally-friendly products. Using a dirty patch of surface as a control area, kids clean other parts of various surfaces...
Curated OER
Production Methods
Students examine the different methods of production. They relate the new concepts to different production contexts. They identify the external factors that influence firms.
Curated OER
Estimate Products
In this estimating products activity, students round factors in problems to the nearest ten and solve. Answers are included on page 2.
Curated OER
Roll Me Some Factors
in this factors game worksheet, students follow a set of instructions to play a factors game, then answer 2 related questions. A reference web site is given for additional activities.
Curated OER
Production and Costs
Learners discuss the concept of productivity and participate in an activity in which they test their own productivity in making Origami cups. Teams determine how to improve productivity and then discuss factors that influence...
Curated OER
Factoring Polynomials
In this factoring worksheet, learners find the common term, use special products or use the diamond method to factor polynomials. Explanations and examples are provided. This three-page worksheet contains 45 problems. Answers are...
Curated OER
Solving Polynomial Equations by Factoring
Use the principle of zero product to solve these polynomial equations. There are 21 problems in various forms to solve. Some are already set to equal zero, but might needs to be put in descending order. Then there are sunsequent problems...
Illustrative Mathematics
Equivalent Expressions
Here is a straight-forward problem of multiplying two binomials with a twist. It is up to algebra learners to decide how to turn this product of sums into a sum of products. However, it is not the quadratic that is the answer; it is the...
EngageNY
Dilations from Different Centers
Can you follow a composition of transformations, or better yet construct them? Young mathematicians analyze the composition of dilations, examining both the scale factor and centers of dilations. They discover relationships for both and...
Curated OER
Multiply by Two-Digit Numbers
If it's a simple set of two-digit multiplication problems you need, you've found it! There are 16 problems here, each with two double-digit factors. Learners find the products and regroup. There are examples to get them started, but none...