Lawrence Hall of Science
The Math Page: Trigonometry
Concepts in Trigonometry are explained and illustrated here by a member of the math department at Borough of Manhattan Community College.
Writing Fix
Writing Fix: Requesting a Task Force to Prevent Child Endangerment
In this lesson plan, Roald Dahl's book The Witches is used as a mentor text. Students will attempt to save themselves and the other children. Students will analyze real population statistics from world-wide and details from the story to...
Alabama Learning Exchange
Alex: Maybe Maybe Not
This is a beginning lesson on the concept of probability. Through a series of informal comparisons, the student will explore the chances of various outcomes of an event. The student will use vocabulary associated with probability.This...
Utah Education Network
Uen: Understanding Decimals
This math game will help students understand the connection between fractions and decimals. Students will use dice, a recording sheet, and their number sense as they find equivalent fractions from decimals. During the other part of the...
PBS
Pbs Teachers: Math Space Odyssey: How Much Do You Weigh in Outer Space?
Demonstrate the ability to apply the use of decimals, fractions, ratios and proportions to situations based upon given information about planets in the solar system.
Math Drills
Math Drills: Fractions Worksheets
Download and print these worksheets to sharpen your skills working with fractions. Worksheets focus on modeling fractions, ratios and proportions, comparing, ordering, simplifying, converting, and order of operations.
Texas Instruments
Texas Instruments: Math Today Wing Tabs Save Fuel
Using the USA TODAY Infograph, 'Wing tabs save fuel', ratios and proportions will be used to explore the concept of similarity between a drawing/model and the actual dimensions. The effects of dilation (size change) on an image and...
PBS
Pbs: Scale City: Similar Figures in the Real World
This video features the Louisville Slugger Museum and Factory, home to the world's largest bat. Students see the role that measurement and engineering play in making bats to professional players' specifications and are asked to consider...
PBS
Pbs Learning Media: Cyberchase: Catching the Kidnapper
In this video segment from Cyberchase, the CyberSquad and Digit construct a physical profile of the person who kidnapped Choocroca, a giant cybercrocodile. [2:49]
Math Planet
Math Planet: Algebra 1: Calculating With Percents
Provides examples and a video lesson that illustrates how to solve percent problems.
ClassFlow
Class Flow: Sales Tax
[Free Registration/Login Required] In this flipchart, students apply ratio, percent, and direct proportion in situations. Students solve problems involving percentages such as percent increase/decrease, tax, commission, and discount.
CK-12 Foundation
Ck 12: Arithmetic: Equivalent Fractions
[Free Registration/Login may be required to access all resource tools.] Understand and write equivalent fractions.
TED Talks
Ted: Ted Ed: Why Are Some People Left Handed?
Today, about one-tenth of the world's population are southpaws. Why are such a small proportion of people left-handed -- and why does the trait exist in the first place? The following video investigates how the uneven ratio of lefties...
University of Regina (Canada)
University of Regina: Math Central: Performance Stations in Math: Grade 6
The Saskatoon Board of Education provides teachers with this collection of grade six math performance stations. Although several of the stations have been designed as assessment tools for the Saskatchewan curriculum, teachers may also...
University of Regina (Canada)
University of Regina: Math Central: Performance Stations in Math: Grade 7
The Saskatoon Board of Education provides teachers with this collection of grade seven math performance stations. Although several of the stations have been designed as assessment tools for the Saskatchewan curriculum, teachers may also...
University of Regina (Canada)
University of Regina: Math Central: Performance Stations in Math: Grade 8
The Saskatoon Board of Education provides teachers with this collection of grade eight math performance stations. Although several of the stations have been designed as assessment tools for the Saskatchewan curriculum, teachers may also...
University of Regina (Canada)
University of Regina: Math Central: Performance Stations in Math: Grade 9
The Saskatoon Board of Education provides teachers with this collection of grade nine math performance stations. Although several of the stations have been designed as assessment tools for the Saskatchewan curriculum, teachers may also...
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...
PBS
Pbs: Scale City: Scale Models in the Real World
This video explores scale models, including 1:12 dollhouse models, 1:24 railroad models, and 1:192 architectural models. It explains what the different ratios represent and asks students to consider how they can use measurement and...
ClassFlow
Class Flow: Customary Length
[Free Registration/Login Required] This flipchart focuses on reading a customary ruler to the eighth of an inch (introduction to sixteenth of an inch). Conversion in the customary system is introduced using ratios and proportions.
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