Curated OER
Volumes of Solids of Revolution (Shell Method)
Students find the volume of solids and disks. In this finding the volume of solids and disks lesson, students find the volume using the washer, disk, and shell method. Students integrate functions in terms of x and y. Students use...
Curated OER
Biology Demos
Students participate in biology demos. In this biology lesson, students explain how energy is released in the ATP cycle. They demonstrate DNA replication process.
Utah Education Network
Uen: 2nd Grade Act. 06: Fractions
Second graders will explore and investigate fraction circles and will apply their discoveries to the book Jump, Kangaroo, Jump by Stuart Murphy. Then students will record their observations in their science journals.
Study Pad
Splash Learn: Partition Shapes: Halves and Fourths
[Free Registration/Login Required] Answer questions about the halves and fourths of circles and rectangles, and collect coins for each correct answer.
OpenStax
Open Stax: Catherine Schmidt Jones: The Circle of Fifths
A way of organizing the various key signatures, the circle of fifths is a good tool to help visualize the relationships of the different keys. This tutorial includes several self checking quizzes to test your knowledge.
Visual Fractions
Visual Fractions: Fraction Subtraction With Circles
Use this site to learn how to subtract fractions using circles at this site from Visual Fractions. You will receive immediate feedback on your answers.
Visual Fractions
Visual Fractions: Subtract and Simplify Fractions With Circle Models
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.
![K 5 Math Teaching Resources: Exploring Fraction Kits [Pdf] Activity](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "K 5 Math Teaching Resources: Exploring Fraction Kits [Pdf] Activity")
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Exploring Fraction Kits [Pdf]
For this activity you will need a set of fraction circles or fraction squares for each pair of students.
ClassFlow
Class Flow: Adding Like Fraction and Mixed Numbers
[Free Registration/Login Required] This flipchart reviews the meaning of numerator, denominator, mixed number, and improper fraction. Students are introduced to adding like fractions and adding mixed numbers with like denominators using...
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...
Illustrative Mathematics
Illustrative Mathematics: 3.g Representing Half of a Circle
This task asks which pictures represent half of a circle? Moving into more complex shapes where geometric arguments about cutting or work using simple equivalences of fractions is required to analyze the picture. Aligns with 3.G.A.2.
Shodor Education Foundation
Shodor Interactivate: Single Fraction Pointer
Determine the value of a given fraction represented as a point on a number line. Then find a fraction whose value is the given fraction using an arrow on the number line as a guide.
Visual Fractions
Visual Fractions: Add Fractions With Number Line or Circle Models
This site is provided for by Visual Fractions. Add mixed numbers with like denominators using circles. Click on the "Explain" button to understand the answer.
Other
Percentage Fraction Decimal Grid
Divide a square or circle up into a number of parts. The slices or rectangles can be painted various colors and these colors then represented as either decimals, fractions or percentages.
Visual Fractions
Visual Fractions: Multiply Fractions With Circles
Use circles to learn and practice multiplying fractions at this site from Visual Fractions. You will receive immediate feedback on each of your answers, and explanations are available for each question.
Other
Visual Fractions: Rename in Higher Terms With Circles
Practice renaming fractions in higher terms using circle fractions, in this Java applet interactive game. A simple activity for most. However, if you get stuck, see the detailed, directions and examples that are included.
ClassFlow
Class Flow: Reading Circle Graphs
[Free Registration/Login Required] Students are asked to figure out the size of the shaded portions of a circle graph. They then complete a chart showing the fraction, decimal, and percentage equivalents.
Visual Fractions
Visual Fractions: Addition of Like Fractions With Circle Models
Brush up on your fraction addition skills with this interactive game. Practice adding fractions and mixed numbers with common denominators. Don't worry! If you need a little assistance, examples and explanations are included.
Visual Fractions
Visual Fractions: Divide Fractions With Circles
Use the circles on this interactive site to learn and practice dividing fractions. An explanation is available for each question, and you receive immediate feedback for your answers.
National Council of Teachers of Mathematics
Nctm: Illuminations: Fraction and Percent Tool
This tool allows you to explore fractions, decimals and percents by creating fractions with denominators up to 100.
Other
Ns Dept. Of Education: Blackline Masters, Math Essentials 11
The Mathematics templates here support a Grade 11 Math text used in Nova Scotia. There is an assortment of blackline masters ranging from Celsius thermometers and Canadian coins to fraction circles and number lines. Many of the templates...
Visual Fractions
Visual Fractions: Divide Fractions With Circles
Students explore dividing fractions using the given visuals. Click explain for additional help.
K-5 Math Teaching Resources
K 5 Math Teaching Resources: Creating Equivalent Fractions [Pdf]
Use fraction circles or squares to create equivalent fractions.
Alabama Learning Exchange
Alex: Share and Share Alike (Equal Parts)
This Five E's AMSTI lesson plan equips students to divide an object into equal parts. A story and interactive whiteboard activity about sharing food demonstrate the idea of equal halves of circles, after which students attempt to half...
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