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Busy Teacher’s Café
"Smart" by Shel Silverstein
Find out just how smart your young mathematicians are with this cross-curricular math and language arts lesson. After first reading Shel Silverstein's poem "Smart", students draw pictures of coins to model the different exchanges...
Willow Tree
Solving Inequalities
What does solving an inequality have in common with solving an equation? Almost everything! A math resource focuses on the one exception. The examples lead learners through the steps of solving an equality when multiplying or...
5280 Math
Polygon Polynomials
Patterns in polygons lead to patterns in polynomials. Presented with a series of polygons, individuals create polynomial expressions to represent their patterns. The algebra project consists of nine problems that incorporate polynomial...
National Woman's History Museum
Inventive Women - Part 2
The Declaration of Independence was published in 1776. The Declaration of Sentiments and Resolutions, modeled after the Declaration of Independence, was drafted and read by Elizabeth Cady Stanton at the Seneca Falls Convention in 1848....
Curated OER
Algebra: Addition and Subtraction Equations: Practice
In this addition and subtraction equations worksheet, students use mental math to solve the addition and subtraction equations. Students then answer two test prep questions.
Curated OER
Addition - Decimals
In this decimal addition activity, students solve 15 problems that require them to add decimal numbers with 1-5 digits.
Curated OER
Finding Addition Patterns
Students practice finding the sums of two-one digit numbers. In this addition lesson plan, students also record facts onto an addition chart.
Curated OER
Mathematical Modeling and Physics
Twelfth graders use a web site to investigate roller coaster physics. In this mathematical modeling lesson, 12th graders are grouped according to their performance on a test. Each group is given an activity to complete on a web site...
Curated OER
Visual Models of Solutions and Concentrations
Students model solutions with beakers of colored glass or plastic spheres. In this solutions lesson, students use beakers of colored spheres to represent pure substances. They mix the spheres to demosntrate solutions. They discuss...
Curated OER
The Sum of All Angles
Learners add up the different angles using the angle addition postulate. For this geometry lesson, students differentiate between interior and exterior angles. They calculate the different angles for triangles and use proof to show their...
Curated OER
Math Match Up!
Help learners solve problems using multiplication and repeated addition. Using counters, learners will be paired up to solve problems. They will go through a series of questions and show models with the counters for the solution. Then...
Curated OER
Add It Up In Number Ville! Adding 2-Digit Numbers With and Without Regrouping
Students explore adding 2-digit numbers. In this math activity, students identify 2-digit numbers and use base ten blocks to practice adding. Students use addition to break a code.
Curated OER
Hands-On Equations: Teacher Notes
Math manipulatives are wonderful for demonstrating any number of mathematical concepts in a concrete and visual way. Learners review the addition property of equality and the zero property using a scale model kit (not shown). They...
Curated OER
Vector Lab
Here is a math lab that helps young mathematicians understand the real-life meaning for vector addition. By building a model using spring scales and washers as weight, and then calculating the vector addition using two different methods,...
Eisenhower Regioanl Consortium for Mathematics and Science Education
Lesson 10: Integer Addition and Subtraction (for the TI-73 only)
Using a number line on the floor made from masking tape and manipulatives, learners observe a demonstration of the addition and subtraction processes. After completing several worksheets, they solve three-term problems using calculators...
Curated OER
Dividing with Fractions
Use paper strips or models to relate division problems to division of fraction problems. Since the materials can be broken up, it helps them to show how they can complete repeated subtraction with fractions and not just whole 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
Real-Life Problems
Introduce scholars to addition and subtraction word problems with visual guidance. There are five scenarios here, each with a picture to guide scholars as they solve. An example encourages kids to physically interact with the images,...
Curated OER
Alexander, Who Used to be Rich Last Sunday
What a great way to incorporate Judith Viorst's story, Alexander, Who Used to Be Rish Last Sunday, with a math lesson on money. Second graders listen to the story being read while the teacher stops to record each time Alexander spends...
Curated OER
Complexity Madness
Discuss different techniques for finding the area of a geometric shape, with a great visual guide. Using a real life example, learners calculate the area of a rectangle and a square.
Curated OER
Models of Development
Young scholars examine the main characteristics of models of development. They list the limitations of each model. They compare and contrast the models and explain how they would move a business toward further development.
Curated OER
Everything You Ever Wanted To Know About Hot Wire Chemical Vapor Deposition, But Were Afraid To Ask
To wrap up your year of general chemistry, have lab groups compete in a tot wire chemical vapor deposition (HWCVD) competition. With their foundation in chemical nomenclature, stoichiometry, and gas laws, each group completes several...
Achievement Strategies
CCSS Unit Design Template for English/Language Arts K-12
Whether or not your school has adopted the Common Core standards, this 18-page language arts unit design template is worth a look because it asks instructors to consider all the key elements of a strong English language arts unit. In...
Curated OER
Sphere Dressing
Geometric design makes a fashion statement! Challenge learners to design a hat to fit a Styrofoam model. Specifications are clear and pupils use concepts related to three-dimensional objects including volume of irregular shapes and...