Curated OER
Adding Integers Using an Integer Line
In this integers worksheet, students use integer lines to add the positive and negative numbers. They can show the answers online.
Curated OER
Let's Take a Trip!
Sixth graders plan trip for family of four, and choose best travel plan by studying maps, considering different routes, and visiting Web sites to get airline and travel schedules.
Curated OER
Subtraction and Addition Word Problems Made Easy
Third graders create addition and subtraction word problems for a partner to solve using marbles. They explain whether the problem is an addition, subtraction, "take away", "have and need", compare or "what is the rest" type problem.
Curated OER
All About Ratios
Learners investigate the use of multiplication and division of whole numbers to solve problems including equivalent ratios and rates.
Curated OER
Using Basic Operations in Word Problems
Pupils review basic operations and use them to solve word problems. In this word problems lesson, students review basic mathematical operations such as addition, subtraction, multiplication, and division. Pupils then complete an activity...
Curated OER
Calculator
Students explore the calculator utility function on a Macintosh computer. In this calculation lesson, students launch the calculator feature and complete a problem solving worksheet.
Curated OER
Let's Go Consumer Shopping
Second graders rotate through various centers designed to practice consumer math skills. They complete a task card at stations simulating consumer transactions that would take place at toy store, grocery store, restaurant or school store.
Curated OER
Converting Celsius to Fahrenheit
In this Algebra I worksheet, 9th graders explore an alternate method for converting Celsius to Fahrenheit and determine the algebra behind the shortcut. The one page worksheet contains one problem. Solution is provided.
Curated OER
Multiplying and Dividing Integers/Relay Race
Give your class a list of multiplication and division sentences that contain both positive and negative integers. Have them analyze them to see if they can discover the pattern with the signs. From these patterns, help them develop the...
Curated OER
Shopping Spree
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...
Curated OER
Eating on a Budget
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.
Curated OER
Smart Doubling
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.
McGraw Hill
Glencoe: Self Check Quizzes 2 Add and Subtract Fractions Unlike Denominators
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...
Better Lesson
Better Lesson: Adding and Subtracting Fractions Day 2
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.
Better Lesson
Better Lesson: Adding and Subtracting Fractions Day 1
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...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Add and Subtract Fractions
This Math Page tutorial explains how to add and subtract fractions and features a practice section at the very end of the lesson.
Khan Academy
Khan Academy: Subtracting Fractions With Unlike Denominators
Practice subtracting fractions that have different denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
McGraw Hill
Glencoe: Self Check Quizzes 1 Add and Subtract Fractions Unlike Denominators
Use Glencoe's randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem. At the bottom...
McGraw Hill
Glencoe: Self Check Quizzes 3 Add and Subtract Fractions With Unlike Denominator
Use Glencoe's Math Course 3 randomly generated self-checking quiz to test your knowledge of adding and subtracting fractions with unlike denominators. Each question has a "Hint" link to help. Choose the correct answer for each problem....
Other
Active Maths Limited: Adding & Subtracting Fractions: Whiteboard Resources
This is an excellent resource to visually illustrate adding and subtracting fractions by finding the lowest common denominator.
Cool Math
Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Whole and Mixed Numbers
Short tutorial explaining how to add and subtract fractions, whole numbers, and mixed numbers. Includes example problems to try.
Goodwill
Gcf Global: Adding and Subtracting Fractions
Tutorial demonstrates how to add and subtract fractions.
Khan Academy
Khan Academy: Add and Subtract Fractions Word Problems (Same Denominator)
Practice solving word problems by adding and subtracting fractions. The fractions used in these problems have like (common) denominators.
Oswego City School District
Regents Exam Prep Center: Adding and Subtracting Fractions
Use this site to learn how to add and subtract algebraic fractions, even if there aren't common denominators. Provides plenty of examples.