The Math League
The Math League: Ratio
This site gives a definition of a ratio along with two word problems. Also shows the student how to compare ratios using fractions.
Sophia Learning
Sophia: Measurement Comparisons: Lesson 3
This lesson explains how to compare measurements using ratios. It is 3 of 5 in the series titled "Measurement Comparisons."
National Council of Teachers of Mathematics
Nctm: Figure This: Math Challenges for Families
Students, teachers, and parents alike will enjoy this challenging math site. It contains a clever brain teaser section plus creative problems related to algebra, geometry, measurement, numbers, statistics, and probability. A Spanish...
CK-12 Foundation
Ck 12: Arithmetic: Decimals as Mixed Numbers
[Free Registration/Login may be required to access all resource tools.] Write given decimal values as mixed numbers.
CK-12 Foundation
Ck 12: Arithmetic: Ratios
[Free Registration/Login may be required to access all resource tools.] In this lesson students write ratios, order ratios from least to greatest and greatest to least and compare ratio. Students examine guided notes, review guided...
PBS
Pbs Learning Media: Finding the Right Crystal
The CyberSquad has to find a crystal that is between 65% and 85% orange to power up their escape from Hacker in this video from Cyberchase.
University of Cambridge
University of Cambridge: Nrich: Rectangle Tangle
On this one page website sharpen your logic and fractional part skills while working on this challenge. The solution is available to double check your solution.
University of Cambridge
University of Cambridge: Nrich: Pumpkin Pie Problem
On this one page website sharpen your logic, graphing and pattern recognition skills while working on this challenge. The solution is available to double check your solution.
Math Aids
Math Aids: Greater Than Less Than Worksheets
Great resource to practice and strengthen math skills pertaining to greater than and less than. Math worksheets are printable, may be customized, and include answer keys.
CK-12 Foundation
Ck 12: Arithmetic: Fraction and Mixed Number Comparison Grade 7
[Free Registration/Login may be required to access all resource tools.] Compare and order fractions and mixed numbers using inequality symbols
CK-12 Foundation
Ck 12: Arithmetic: Fraction and Mixed Number Comparison Grades 6
[Free Registration/Login may be required to access all resource tools.] Compare and order improper fractions and mixed numbers.
E-learning for Kids
E Learning for Kids: Math: Baseball: Percentages
Students will compare percentages and convert them to fractions and decimals.
University of Texas at Austin
Mathematics Teks Toolkit: Springy Legs
Compare body and jump heights to other students to explore ratios, decimals, and fractions.
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Solving a Ratio With & Without a Diagram
A student is searching for a solution to a ratio question without using a diagram. Dr. Math helps to break it down both with and without a diagram. An understanding of fractions, multiplication, and basic algebra is necessary to get this...
National Council of Teachers of Mathematics
The Math Forum: Ask Dr. Math: Cake Recipe Ratio
Dr. Math has to go into the kitchen to solve this real-world problem. A student is looking for a solution to a ratio problem about baking a cake. You'll need to stir up your knowledge of ratios, fractions, decimals, proportions, and...
Ministry of Education and Universities of the Region of Murcia (Spain)
Ministerio De Educacion Y Ciencia: Fracciones, Decimals Y Porcentajes
This interactive activity deals with the concepts of fractions, comparing fractions, all different arithmetic operations with fractions, converting a fraction to a decimal form and all different calculation with percents.
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.
NumberNut
Number Nut: Decimals
Do you know what a decimal is and how it is related to fractions? Find out and practice your skills playing the related interactive games.
Illustrative Mathematics
Illustrative Mathematics: 3.nf Snow Day
The purpose of this task is for students to investigate a claim about a comparison of two fractions in a context. Aligns with 3.NF.A.3.
National Council of Teachers of Mathematics
Nctm: Figure This: Grape Juice Jungle
Are all juice grape juice concentrates the same? Find out when you explore ratio and fractions in this math challenge that compares juice recipes to identify strongest taste. A one page activity from the NCTM Math Challenges for Families...
Jim Loy
Jim Loy's Website: Egyptian Numbers
Here you can find a general overview of the ancient Egyptian number system. The site compares the ancient symbols to those of modern day numerals. More detailed information can be found from the bottom of the page dealing with Egyptian...
Curated OER
Working With Fractions Using Pattern Blocks
Students can download pattern block grid paper or cutouts for class activities. Included is an activity comparing the relationships of fractional parts called, "What's My Number?" Links available to other pattern block and fraction...
Curated OER
Working With Fractions Using Pattern Blocks
Students can download pattern block grid paper or cutouts for class activities. Included is an activity comparing the relationships of fractional parts called, "What's My Number?" Links available to other pattern block and fraction...
Calculator Soup
Calculator Soup: Ratio Calculator
The ratio calculator performs three types of operations and shows the steps to solve. It simplifies ratios or creates an equivalent ratio when one side of the ratio is empty, solves ratios for the one missing value when comparing ratios...