Curated OER
Fractals and the Chaos Game
Students explore the concept of fractals. In this fractals lesson, students play the "Chaos Game" via an applet. Students place dots on the screen to recognize that they have created Sierpinski's Triangle.
Curated OER
Introduction to Fractals: Geometric Fractals
Students explore the concept of fractals. In this fractals lesson, students discuss Sierpinski's Triangle using an applet. Students discuss the patterns involved with fractals. Students discuss the area of Sierpinski's triangle as the...
Curated OER
Introduction to Fractals: Infinity, Self-Similarity and Recursion
Students think about several of the concepts from fractals, including recursion and self similarity. They use mathematical concepts of line segments, perimeter, area and infinity are used, and skill at pattern recognition is practiced.
Curated OER
Deciphering Community
Middle schoolers explore the concept of a community. They identify and group various kinds of communities. Students create a concept map exemplifying their membership in different communities. They write a narrative describing their...
Curated OER
What's the Big Deal?
Students define terms and describe where they are found and formed. In this methane lesson students complete an activity and describe ways in which methane hydrates impact our lives.
Curated OER
Time Story Problems
First graders solve story problems using an analog clock. In this time story problems lesson, 1st graders complete word problems on elapsed time and discuss their solutions.
Curated OER
Great River Bend Adventure
Students use their imagination. They discuss the 4 C's of teamwork: Concentration, Communications, Coomperation, and Consideration. Students discuss the safety guidelines of the project. They complete a rope maze. The group walks...
Curated OER
Signal Flags
Students examine the use of signal flags on vessels. They use measurements and symmetry to create their very own signal flag. Students work together and as individuals to solve problems and express their ideas.
Khan Academy
Khan Academy: Equivalent Fractions (With Fraction Models)
In this exercise, students practice identifying equivalent fractions (with fraction models). Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
Khan Academy
Khan Academy: Equivalent Fractions (Fraction Models)
Practice finding equivalent fractions. These problems show you pictures of fractions to help you out. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints....
Other
Ohio Department of Education: Models for Dividing Fractions [Pdf]
This resource consists of a detailed, hands-on lesson plan for dividing fractions using manipulatives such as fraction bars.
Quia
Ixl Learning: Divide Fractions by Whole Numbers Using Models
Practice dividing fractions by whole numbers with numbers using models.
Utah Education Network
Uen: Modeling Multiplication and Division of Fractions
Detailed lesson plan for multiplying and dividing fractions using visual models such as a number line or fraction bars.
University of Cambridge
University of Cambridge: Nrich: Fractional Triangles
On this one page website sharpen your logic and equivalent fraction skills while working on this challenge. The solution is available to double check your solution.
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction Models
Numerator values can be set for 0-20. Denominator values restricted to 1, 2, 4, 5, 8, 10 and 20. Use this interactive tool to show a fraction. Adjust both the denominator and numerator and see a visual representation as a part of a...
Education Development Center
Tune in to Learning: What's a Fraction
Use this interactive lesson to learn about fractions. You will find equivalent fractions, compare fractions, and more. Immediate feedback is given to your answers. Links to related videos.
Scholastic
Scholastic Lesson Activities: Model With Manipulatives
Two fraction activities are highlighted at this one page website. Both use manipulatives to help students begin to understand the basic concepts of fractions.
AAA Math
Aaa Math: Fraction Parts Tenths
This lesson describes tenths and gives practices and games identifying various amounts of tenths.
PBS
Pbs: Subtraction of Fractions Using a Visual Model
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.
PBS
Pbs: Addition of Fractions Using a Visual Model
Use a visual model to add fractions with unlike denominators. This video focuses on using an equivalent fractions chart to compare fractions and find the correct sum.
Khan Academy
Khan Academy: Multiplying Fractions With Visuals
Use area models and tape diagrams to multiply a fraction times a fraction. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.
Khan Academy
Khan Academy: Add and Subtract Fractions Word Problems
Practice solving fraction addition and subtraction word problems. The fractions in these problems have unlike denominators. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or...
Better Lesson
Better Lesson: Multiplying Fractions by a Whole Number Using Models
Using a mathematical model, 4th graders will be able to visually see the process of how to multiply a fraction by a whole number to find its product in order to gain a deeper understanding to ultimately be able to do it on their own.
Khan Academy
Khan Academy: Fractions as Division Word Problems
Practice word problems that involve using the fraction bar as division. Students receive immediate feedback and have the opportunity to try questions repeatedly, watch a video or receive hints.