Lesson Plan
Curated OER

Company is Coming

For Teachers 5th - 7th
Students find a recipe for pancakes on the web then figure out how to half the recipe then figure how to make 3/4 of the pancakes.
Lesson Plan
Curated OER

Eating on a Budget

For Teachers 5th - 6th
Students are "given" $25.00 to spend at a restaurant. Using the Internet, they must "order" a complete 4 course meal while staying within their budget.
Lesson Plan
Curated OER

The Take-Awar Bar 1

For Teachers 3rd - 8th
Learners use an Internet tool, "The Take-Away Bar" to solve subtraction problems by breaking them into parts. They write and solve comparison problems. Students make sensible estimates and check the reasonableness of answers. They use...
Lesson Plan
Curated OER

Two-Step Equations

For Teachers 9th - 12th
Learners explore the concept of solving two-step equations. In this solving two-step equations lesson, students watch a short video about solving equations. Learners view a PowerPoint presentation about solving two-step equations....
Lesson Plan
Curated OER

Number Line Math

For Teachers 2nd
Second graders use a number line to practice subtraction.  In this subtraction lesson, 2nd graders use a number line to count backwards.  Students participate in mad math activities and solve problems.
Lesson Plan
Curated OER

Shopping Spree

For Teachers 6th
Sixth graders examine currency by completing monetary equations.  In this economics lesson, 6th graders participate in a numbers experiment where they roll a die and earn money based on their roll.  Students compete for their...
Lesson Plan
Curated OER

Squirt

For Teachers 4th
Fourth graders using the idea of "how many more squirts" fill a container to develop multiplicative thinking. They also investigate the idea of conservation of volume when working with oddly shaped containers. They attempt to use...
Worksheet
Curated OER

Jobs and Salaries

For Students 9th - 12th
In this economics worksheet, students look for the budgets and go through the practical activities of maintaining a monthly expense sheet.
Lesson Plan
Curated OER

Buying My First Car

For Teachers 5th - 12th
Students pretend they are about to buy their first new car. They must do all the calculations necessary to estimate the cost of purchasing the car. They see that the math they learn in school really does have real-life applications.
Lesson Plan
Curated OER

Rules of Exponents

For Teachers 6th - 8th
Young scholars solve problems involving exponents. Through a teacher led discussion, students explore the rules of exponents and create cards with "x's" on them. Given a division problem, young scholars lay out "x's" to represent the...
Lesson Plan
Curated OER

Million Dollar Gift

For Teachers 3rd
Third graders create a box big enough to hold a million dollars. This is a project fun to do near the winter holidays with inexpensive gifts included in the boxes. This hands-on lesson very effectively demonstrates the concept of volume.
Lesson Plan
Curated OER

Escape Velocity

For Teachers 9th - 12th
Students compute minimum velocity, using square roots.
Lesson Plan
Curated OER

Peekikng At Public Sculpture

For Teachers 4th - 6th
Students use the internet to investigate public examples of sculpture. They reflect upon the possibility of being a reference of lifestyles that can exist in a society. A variety of media sources serve as inspiration for the lesson.
Lesson Plan
Curated OER

Smart Doubling

For Teachers 2nd
Second graders use mental math in calculations involving addition and subtraction. They study doubles facts to work out addition problems mentally using part and or whole reasoning.
Handout
Other

Help With Fractions: Subtracting Fractions

For Students 3rd - 8th Standards
The rules for subtracting fractions with like or unlike denominators are clearly explained at this website. Even mixed number subtraction is tackled! This is an excellent place to get step by step explanations for working with fractions.
Interactive
National Council of Teachers of Mathematics

The Math Forum: "Make One" Operations W Fractions Game

For Students 9th - 10th Standards
This card game will help students review the basic operations with fractions. The materials needed, the rules of the game, and several follow-up activities are provided here for the teacher as a lesson plan.
Activity
Oswego City School District

Regents Exam Prep Center: Adding and Subtracting Fractions

For Students 9th - 10th Standards
Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.
Unknown Type
McGraw Hill

Glencoe: Self Check Quizzes 2 Add and Subtract Fractions Unlike Denominators

For Students 9th - 10th
Use Glencoe's Math Course 2 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with different denominators. Each question has a "Hint" link to help. Choose the correct answer for each...
Unit Plan
Lawrence Hall of Science

The Math Page: Skill in Arithmetic: Add and Subtract Fractions

For Students 2nd - 5th Standards
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Interactive
Visual Fractions

Visual Fractions: Subtract and Simplify Fractions With Circle Models

For Students 3rd - 8th Standards
Use this interactive site from Visual Fractions to practice subtraction with fractions using circles. You will need to answer the questions with mixed numbers in lowest terms.
Interactive
Doina Popovici

Math Play: Fractions Jeopardy

For Students 3rd - 8th
Assess your knowledge of adding, subtracting, multiplying, and dividing fractions with a game of jeopardy.
Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting Fractions Day 2

For Teachers 6th
How would you add 2 1/2 and 2/3? How would you find the difference between 2 1/2 and 2/3? Students continue to develop strategies for adding and subtracting fractions.
Lesson Plan
Better Lesson

Better Lesson: Adding and Subtracting Fractions Day 1

For Teachers 6th
If Ashley ate 1/2 pizza, Tatyana ate 1/3 of a pizza, and Tiffany ate 5/8 of a pizza, how much pizza did they eat altogether? What's the smallest number of pizzas they ordered? How much was left? Students work to develop strategies for...
Unit Plan
PBS

Pbs: Subtraction of Fractions Using a Visual Model

For Students 3rd - 5th Standards
Use a visual model to subtract fractions with unlike denominators. This video focuses on using an equivalent fractions chart to compare fractions and find the missing piece.

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