Curated OER
The Golden Students
Scholars view the video, "Donald Duck in Mathmagic Land," and discuss examples in nature which have proportions of the golden ratio. They measure and record different body lengths from a worksheet and convert the ratios to equivalent...
Curated OER
Fraction King Lesson Plan
Students examine the concept of fractions. In this fractions king lesson plan, students review math vocabulary and discover the equivalent forms of fractions as decimals and percents.
Pennsylvania Department of Education
Seeing Doubles
Young scholars work with dominoes to recognize the number of spots on each side as they relate to addition facts. In this seeing doubles lesson, students make triangle shaped flash cards for the double facts. Young scholars represent the...
Government of Alberta
Learn alberta.ca: Math Interactives: Rate/ratio/proportion (Object Interactive)
This highly interactive resource uses the backdrop of digital photography to explore equivalent forms of 3-term ratios. Printable activities, solutions, and learning strategies are also provided.
![Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf] Unknown Type](https://d15y2dacu3jp90.cloudfront.net/images/attachment_defaults/resource/large/FPO-knovation.png "Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf] Unknown Type")
University of Waterloo (Canada)
Centre for Education in Mathematics and Computing: Ratio and Rate [Pdf]
Learners explore the concepts of rate and ratio in a variety of problem-solving situations. Worksheets contain definitions and visual representations of concepts. Link to related ratio game. Other skills include measurement, data...
Mangahigh
Mangahigh: Algebra: Completing the Square Coefficient of X2 More Than 1
This site provides students practice with the concept of completing the square. Students can learn about the topic by completing an interactive tutorial. Students can then take a ten question timed test to practice the skill.
CK-12 Foundation
Ck 12: Analysis: Sums of Infinite Geometric Series
[Free Registration/Login may be required to access all resource tools.] This lesson covers identifying infinite geometric series for which a sum can be determined, and finding the sum.
CK-12 Foundation
Ck 12: Analysis: Sums of Finite Geometric Series
[Free Registration/Login may be required to access all resource tools.] This lesson covers finding the sum of a geometric series using the formula and the calculator.
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.
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Fractions Into Decimals
This Math Page tutorial explains how to change a fraction to a decimal and features a practice section at the end of the lesson.
PBS
Pbs Kids: Cyberchase: Thirteen Ways of Looking at a Half
This is an excellent way to introduce the fraction concept of equivalent fractions.
AAA Math
Aaa Math: Identifying Equivalent Decimals and Fractions
This site explains why decimals are a type of fraction. Gives practice recognizing equivalents, plus games to practice the skill.
Math2
Math2: Fraction to Decimal Conversion
This tutorial features conversions of basic fractions in lowest terms and the decimal equivalents.
AAA Math
Aaa Math: Identifying Equivalent Fractions
This site gives a brief explanation of how to compare fractions with different denominators. Gives practice and games to play to use this skill.
Shodor Education Foundation
Shodor Interactivate: Fraction to Decimal Converter
This is a handy little applet that lets you convert a fraction to a decimal or decimal to fraction. It can handle proper and improper fractions.
Math Medics
S.o.s. Math: Building Fractions
Explains step-by-step how to build equivalent fractions. Gives examples and exercises to practice this skill.
Math Medics
S.o.s. Math: Changing Decimals to a Fraction
Explains step-by-step how to change a decimal to a fraction. Gives examples and exercises to practice this skill.
Other
Teachnet: Fraction City
This website offers an excellent lesson plan that teaches basic fraction concepts and includes an equivalent fraction procedure. Lots of detailed instructions on how to prepare and teach this topic.
Quia
Quia: Common Fraction & Decimal Equivalencies Flash Cards
Do you need practice learning and remembering your decimals and their common fraction equivalents? Use this flash card game to practice. When you finish click the start over button and an entirely new set is produced. There is a link to...
Quia
Quia: Fraction Decimal Conversion Matching
In this tutorial, practice matching fractions with equivalent decimals in a matching game format.
Quia
Quia: Fraction Decimal Conversion Flashcards
This tutorial lets students practice converting fractions to decimal equivalents.
Quia
Quia: Fraction Decimal Conversion Concentration
This tutorial has students practice matching fractions and their decimal equivalents using a concentration game format.
Quia
Quia: Equivalent Fractions Flashcards
Use this website to practice finding equivalent fractions using a flash card format.
Quia
Quia: Equivalent Fractions
Use this Web site to practice finding equivalent fractions using a matching game format. CCSS.Math.Content.3.NF.A.3.a Understand two fractions as equivalent (equal) if they are the same size, or the same point on a number line.