Curated OER
Irregular Fractals
Middle schoolers study and research irregular fractals and construct a few based on their research. Students practice pattern recognition skills and plane geometry skills calculating dimensions on the Fractured Pictures activity.
Curated OER
Astronomical Scales
Pupils describe the different units of measurement. In this space science lesson, students calculate astronomical distances using a scale. They explain the significance of using scientific notation in expressing very small or very...
Illustrative Mathematics
Illustrative Mathematics: 4.nf Using Benchmarks to Compare Fractions
Melissa gives her classmates the following explanation for comparing fractions.
Better Lesson
Better Lesson: Compare Parts of a Whole
Given a set of fractions students will be able to compare unit fractions by using models to determine that the more equal parts there are in the whole, the smaller each part will be. This instructional activity includes a detailed plan,...
Illustrative Mathematics
Illustrative Mathematics: Finding Common Denominators to Add
Part (a) of this task asks students to find and use two different common denominators to add the given fractions. The purpose of this question is to help students realize that they can use any common denominator to find a solution, not...
Shodor Education Foundation
Shodor Interactivate: Comparing Fractions
Introduces students to fractions and explores basic mathematical operations with fractions, comparing fractions, and converting fractions into decimals or percents.
Better Lesson
Better Lesson: Benchmark Fractions and More
When students understand how to use their benchmark fractions they can work more fluently to compute, compare, and order them.
ArtsNow
Arts Now Learning: Moving With Fractions [Pdf]
In this lesson, 4th graders use movement phrases to model common fractions and decimal fractions with like denominators. They compare the fraction of locomotor and non-locomotor movements in a movement phrase. Students then create their...
Illustrative Mathematics
Illustrative Mathematics: Finding Common Denominators to Subtract
Part (a) of this task asks students to use two different denominators to subtract fractions. The purpose of this is to help students realize that any common denominator will work, not just the least common denominator. Part (b) does not...
Better Lesson
Better Lesson: Where Does That Fall on the Number Line?
Where does five-thirds belong on a number line? What about 1.61? Students apply their knowledge of fractions and decimals in order to compare and order fractions and decimals.
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
In Spanish. Interactive activity to help with the understanding of fraction, operation with fractions, converting fractions to decimals and percentages.
Better Lesson
Better Lesson: Decimal Notation vs. Fractions
In this lesson students will use a variety of skills to determine the underlying connections between fractions and decimals.
Better Lesson
Better Lesson: Whose Piece Is Larger?
Fourth graders are always concerned about whether they get their equal piece when things are divided. In this lesson, 4th graders will use fraction bars to visually see how to compare fractions
Utah Education Network
Uen: Ordering and Computing With Negative Fractions and Decimals
This lesson plan allows students to practice comparing and ordering rational numbers on a number line as well as computing with fractions and decimals. It provides an assessment plan and attachments for the lesson's activities.
Illustrative Mathematics
Illustrative Mathematics: 4.nf Comparing Sums of Unit Fractions
The purpose of this task is to help develop students' understanding of addition of fractions; it is intended as an instructional task. Aligns with 4.NF.B.3.a.
Illustrative Mathematics
Illustrative Mathematics: 6.ns Fractions on the Number Line
In this task, 6th graders locate positive and negative fractions on a number line, determine if some inequalities are true, and compare fractions for their closeness to zero. Aligns with 6.NS.C.7.a.
PBS
Pbs Mathline: Is It Really News? Lesson Plan [Pdf]
Students use decimals, percents, and fractions to explore how much "news" is really in the newspaper. Printable lesson
Shodor Education Foundation
Shodor Interactivate: Fraction King
Learners and teacher play a game called "Fraction King" to understand the idea of taking fractional parts of whole numbers then use manipulatives and several computer applets to cement the idea.
Better Lesson
Better Lesson: How Close Is "Close"?
A lesson where students are comparing decimals and fractions to generate ones that fall between "close" numbers. Lesson includes worksheets and videos to help implement the lesson with a class.
Better Lesson
Better Lesson: Units & Wholes (Days 1 3)
It is important for students to learn to compare the size of the same fraction units as the size of the whole amount changes.
Shodor Education Foundation
Shodor Interactivate: Lesson: Fraction Facts
The Shodor Education Foundation provides this lesson plan to introduce middle schoolers to the basics of fractions including fraction operations and converting fractions both to decimals and percents. NCTM Standards are listed for this...
Illustrative Mathematics
Illustrative Mathematics: Making Cookies
This tasks lends itself very well to multiple solution methods. Young scholars may learn a lot by comparing different methods. Students who are already comfortable with fraction multiplication can go straight to the numeric solutions...
University of Texas at Austin
Mathematics Teks Toolkit: Springy Legs
Compare body and jump heights to other students to explore ratios, decimals, and fractions.
Better Lesson
Better Lesson: Which Fraction Is Greater?
Which fraction is greater: 9/8 or 4/3? Students play the comparing game in order to develop strategies for comparing fractions.