Oswego City School District
Regents Exam Prep Center: Metric Conversions and Rates
Find out all about measurement in this test prep lesson exploring English and metric measurement. Students can compare metric and customary measurements using the conversion charts, assess how much they have learned using the interactive...
CK-12 Foundation
Ck 12: Arithmetic: Comparison of Unit Rates
[Free Registration/Login may be required to access all resource tools.] Compare unit rates using inequality symbols
Texas Instruments
Texas Instruments: Golden Rectangles
In this activity, students measure rectangles and calculate ratio between the sides. They compare the ratio to the Golden Ratio.
Illustrative Mathematics
Illustrative Mathematics: 8.ee Sore Throats, Variation 2
In this task where two saltwater solutions are compared, 8th graders must find equivalent ratios, write an equation that works for both solutions, draw the equation's graph, and interpret the slope as a unit rate. Aligns with 8.EE.B.5.
PBS
Pbs: The Lowdown: Indoor/outdoor Residential Water Use in California
Compare data about indoor and outdoor residential water use in northern and southern sites in this infographic from KQED and the California Single Family Water Use Efficiency Study. The accompanying classroom activity helps students find...
AAA Math
Aaa Math: Aaa Math Lessons
AAA Math's interactive tutorials and lessons assist students grades K-8 improve their understanding of a wide range of arithmetic topics. Students are provided with immediate feedback as they complete the "Learn," "Practice," and "Play"...
CK-12 Foundation
Ck 12: Arithmetic: Properties of Rational Numbers
[Free Registration/Login may be required to access all resource tools.] In this lesson students learn to simplify and order rational numbers. Students examine guided notes, review guided practice, watch instructional videos and attempt...
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...
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."
Khan Academy
Khan Academy: Units
In this exercise, students solve word problems that involve using different units. Students receive immediate feedback and have the opportunity to get hints and try questions repeatedly.
TeachEngineering
Teach Engineering: An Inflated Impression of Mars
The purpose of this activity is to use scaling in order to give students an idea of the size of Mars in relation to the Earth and the Moon as well as the distance between them. The students will have to calculate dimensions of the scaled...
Alabama Learning Exchange
Alex: Show Me the Money
Just what is a penny worth? Students explore various websites or printed fact sheet investigating the history and changes in density of pre- and post- 1982 pennies. They will also research the current price of copper and zinc and compare...
American Geosciences Institute
American Geosciences Institute: Earth Science Week: Deep Sea Drilling
In this activity, students learn about the JOIDES Resolution, an ocean-drilling vessel. They then use string to estimate the length of the ship and compare their estimates to the real length. They look at how deep the ocean water under...
Alabama Learning Exchange
Alex: Density
Density is the ratio of mass to volume. Density will be introduced to students by a demonstration of coke verses diet coke. The teacher will then solve density problems for the students on the board. The class will then complete a lab on...
Discovery Education
Discovery Education: Web Math: Proportions
This WebMath site provides a general description of proportions. Content also includes a 'problem solver' which lists step-by-step instructions on how to obtain the correct answer.
Leaf Group
E How: How to Write a Financial Analysis Paper
This article by Gerald Hanks focuses on what is involved in a financial analysis report which is used to determine if a company can deliver a solid return on investment.