National Security Agency
Fraction Fever
This unit on fractions allows for upper-aged elementary learners to explore ways to find the greatest common factor and least common multiple of two numbers. Ultimately, young mathematicians will be able to identify equivalent fractions,...
Curated OER
Discovering New Units
Students use Cuisenaire rods to explore common denominators. In this fractions lesson, students build Cuisenaire representations of fractions, then find their equivalent counterparts to find the common denominator.
PBS
Working with Common Denominators: Assessments
Now that the practice is over, see if young mathematicians can utilize their new skills on finding common denominators and adding fractions. The assessment contains one map challenge and follows with skills practice.
Curated OER
Math: Navigating the World Around Me
Young mathematicians research and discuss real world math word problems and ways in which they apply math concepts in their everyday lives. They create a storyboard of a math word problem from which they create a slide for a multi-media...
Curated OER
The Summer School Math Worksheets-Multiplication, Division, Fractions Level 5
In this summer school math worksheet, students complete 100 multiplication problems in which 3 digit numbers are multiplied by 2 digit numbers. Students also solve 100 problems in which simple fractions with unlike denominators are added...
Los Angeles County Office of Education
Assessment For The California Mathematics Standards Grade 6
Test your scholars' knowledge of a multitude of concepts with an assessment aligned to the California math standards. Using the exam, class members show what they know about the four operations, positive and negative numbers, statistics...
Curated OER
Buying and Budgets
Fourth graders add and subtract decimals as they use a table to solve budget based problems.
Curated OER
Least Common Multiple or Least Common Denominator
Fifth and sixth graders solve 12 math problems by finding the least common multiple or least common denominator. They type the answer into the text box.
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...
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....
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.
Other
Help With Fractions: Subtracting Fractions
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.
Khan Academy
Khan Academy: Add and Subtract Fractions: Word Problems
In this exercise, students practice adding and subtracting fractions with unlike denominators word problems. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Cool Math
Coolmath: Coolmath4kids: Adding and Subtracting Fractions With Different Denominators
Demonstrates how to add and subtract fractions where the denominators are different. Includes sample problems to try.
CK-12 Foundation
Ck 12: Add and Subtract With Different Denominators Word Problems Practice
[Free Registration/Login may be required to access all resource tools.] Practice adding and subtracting fractions with different denominators.
CK-12 Foundation
Ck 12: Elem Math: Subtracting Mixed Numbers With Different Denominators
[Free Registration/Login may be required to access all resource tools.] In this learning module, students subtract mixed numbers that have different denominators. Includes video demonstrating a sample problem [2:49] and a set of practice...
Khan Academy
Khan Academy: Add and Subtract Fractions Challenge
Challenge problems involving adding and subtracting fractions that have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Visually Add and Subtract Fractions
Practice adding and subtracting fractions that have different denominators. Problems have fraction diagrams. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Other
Chili Math: Adding and Subtracting Fractions With Different Denominators
Goes through the steps involved in adding and subtracting fractions with different denominators and provides examples.
CK-12 Foundation
Ck 12: Elem Math: Fractions With Different Denominators 3 Numbers
[Free Registration/Login may be required to access all resource tools.] In this learning module, students add and subtract three fractions with different denominators. Includes video demonstrating a sample problem [2:41] and a set of...
Khan Academy
Khan Academy: Add and Subtract Fractions Challenge
Challenge problems involving adding and subtracting fractions that have unlike denominators.
CK-12 Foundation
Ck 12: Elem Math: Fractions With Different Denominators Word Problems
[Free Registration/Login may be required to access all resource tools.] In this learning module, students solve word problems where they must add and subtract fractions with different denominators. Includes video demonstrating a sample...
CK-12 Foundation
Ck 12: Elem Math: Subtracting Fractions From Whole Numbers
[Free Registration/Login may be required to access all resource tools.] In this learning module, students subtract fractions from whole numbers after renaming the whole number as a mixed number. Includes video demonstrating a sample...