Curated OER
A thousand seconds
Students use seconds, minutes, and hours. They then discuss the size of a thousand. After that they read time in digital or analogue form.
Curated OER
Basketball Caps
Students work on a problem, individually or in pairs. They are asked questions that focus on average. They discus that the average number represents an equal redistribution , rather than just being able to state the rule. They write...
Curated OER
Are We Alone
Seventh graders collect/analyze data and draw conclusions; support reasoning by using a variety of evidence; construct logical arguments; access information at remote sites using telecommunications; apply the concept of percent;...
Curated OER
Capacity Lotto
In this mathematical worksheet, students convert fifteen metric units of capacity and multiply and divide whole numbers by 10, 100 and 1000.
Curated OER
Forces in Fluids
In this forces in fluids worksheet, learners answer questions as they relate to forces in fluids. Students complete a chart about atmospheric pressure.
Curated OER
Go Figure: Your Credit is Built on Trust
Twelfth graders study how credit and money markets are based on trust. In this Economics lesson, 12th graders read and answer questions on a handout.
Goodwill
Gcf Global: Calculating Percentages
Learn how to calculate percentages to help you figure out discounts, interest, and more.
Homeschool Math
Homeschool Math: How to Calculate Percentages
Learn how to calculate percentages in this easy lesson.
Science Struck
Science Struck: How to Calculate Percentage Increase
Explains and demonstrates how to calculate the percentage increase from year to year and how to calculate it using an Excel spreadsheet.
National Council of Teachers of Mathematics
Ntcm: Math Challenge: Perplexing Percentages
Test your bargin shopping skills by figuring out which discount offers the greatest savings. A one page activity from the NCTM Math Challenges for Families series that focuses on understanding and calculating percentages. Connections...
BBC
Bbc: Ks3 Maths: Percentages
KS3 Math provides interactive activities on percentages, using pence and pounds. Use the factsheet for percentage information. You may use the worksheet for percentage practice and take the test provided to check your percentage skills....
Goodwill
Gcf Global: Percentages in Real Life
Learn how to calculate percentages in real-life situations, from sales tax to discounts to tips.
Smithsonian Institution
Smithsonian Learning Lab: Prehistoric Climate Change and Why It Matters Today
Introduce students to environmental issues by studying a time of rapid global warming that occurred 50 million years ago. Lessons, video segments and interactive activities will engage students as they learn about average annual...
Hopelink
Hopelink: Teaching Percentages
Students can brush up on percentage skills with this lesson and calculate percentages using the "Percent Tricks method." For students to successfully use this method, they must have the ability to multiply and divide whole numbers.
BBC
Bbc: Percentages
You can pick up some valuable percentage pointers on how to work with them. When you finish working your way through the pages, you can take an on-line "Test Bite" and check your understanding.
Primary Resources
Primary Resources: Percentages
A selection of teacher resources dealing with percentages. There are worksheets and PowerPoints available to download.
TeachEngineering
Teach Engineering: Decimals, Fractions & Percentages
Students learn about and practice converting between fractions, decimals and percentages. Using a LEGO MINDSTORMS NXT robot and a touch sensor, each group inputs a fraction of its choosing. Team members convert this same fraction into a...
National Council of Teachers of Mathematics
The Math Forum: Beat the Calculator!
Find more than 500 "mental calculation tricks" that will help you square numbers, add, multiply divide, subtract, and find percentages. A great resource for advance math students, gifted children, and teachers wanting to find ideas for...
BBC
Bbc: Gcse Bitesize: Monitoring Chemical Reactions
This lesson focuses on percentage yield including what it is, the formula for calculating percentage yield, a sample calculation, and a link to a test.
InterLink Language Centers
Interlink Language Centers: Calculators and Converters
Conversion calculators for English language learners. Includes calculators for converting temperature, currency, measurement, time, distances, and percentages. Java is required.
Other
Sprk: Macro Lab Lesson 4 Percentages: Teacher Guide [Pdf]
Students will use Sphero to explore percentages using speed and color. The speed experiments are quantitative and the color experiments are qualitative. They will program the Sphero to move at 100% speed for a particular amount of time,...
Lawrence Hall of Science
The Math Page: Skill in Arithmetic: Percent With a Calculator
This tutorial explains how to use a calculator to find a percent. There is also a practice section at the end of the lesson.
Cuemath
Cuemath: Percentages
A comprehensive guide for learning all about percentages with definitions, how to calculate them, solved examples, and practice questions.
Wyzant
Wyzant: Percentage Calculator
WyzAnt provides applets that allow the user to input as much of the percentage question that is known, and it will compute the rest.