Howard Hughes Medical Institute
Building Ecological Pyramids
Looking for a fresh take on traditional food/energy pyramids? Conduct an innovative activity where pupils build their own! The lesson uses research data from Gorongosa National Park in Mozambique for a real-life safari touch. Scholars...
Radford University
Sleep and Teen Obesity: Is there a Correlation?
Does the number of calories you eat affect the total time you sleep? Young mathematicians tackle this question by collecting their own data and making comparisons between others in the class through building scatter plots and regression...
Florida Center for Reading Research
Fluency: Letter Recognition, Speedy Alphabet Arc
On your mark, get set, match! Learners use a complete set of letters, matching each to its outlined letter on an arc. As they choose letters, they name them aloud. For added difficulty, another arc is missing most of its letters to...
EngageNY
Analyzing a Data Set
Through discussions and journaling, classmates determine methods to associate types of functions with data presented in a table. Small groups then work with examples and exercises to refine their methods and find functions that work...
Curated OER
60-30-10
Students use ratios and proportions to represent quantitative relationships as they investigate the concept of how percentages are used by designers. Students decorate the same room using three different percentages of colors.
Curated OER
Plan or Move
Students note the similarities between decimals, fractions and percentages. They practice converting numbers between these types. They participate in an activity as well.
Curated OER
Working with Percentages
Students complete basic operations using percentages in a variety of real world situations. Discounts are computed and compared to a variety of prices listed in local newspaper advertisements.
Curated OER
Teaching Percentages
Students calculate percentages using the Percent Tricks method. They multiply and divide whole numbers. They count total number of candies in a bag and calculate the percent of each color.
Curated OER
Graphs: All About Our Class
Students respond to survey questions, discuss results, brainstorm ways to represent survey information, and create table of class results. They find mean, range, and percentages, and create graph to display results.
Noyce Foundation
Snail Pace
Slow and steady wins the race? In the assessment task, scholars calculate the rates at which different snails travel in order to find the fastest snail. Hopefully, your class will move much more quickly in finishing the task!
Curated OER
Addition Properties
Student study addition properties. In this addition properties lesson, students use multiple methods to solve various types of problems. Students illustrate and describe in various ways the Commutative Property of Addition. Students...
Curated OER
What percent of ratio is proportion?
Ninth graders investigate the concepts of ratio and proportion.They solve examples with the teacher for ratios and proportions. A basic fraction review is used for a warm up in this instructional activity. The primary focus of the...
Curated OER
Math in English Skills VIII Exercise Book
For some learners, fractions are the bane of fifth- and sixth-grade existence. Use this fantastic packet to help those in remediation for mathematics. The packet contains 20 worksheets with answer keys, and covers adding, subtracting,...
Curated OER
Build a Skittles Graph
Students construct a bar graph with a given set of data. They calculate the ratio and percent of the data. Students discuss alternate ways of graphing the data as well as multiple strategies to approach the task.
Curated OER
Estimating With Fire
Learners solve problems with percents, decimals and fractions. In this algebra lesson, students convert between fractions, percents and decimals. They estimate their answers and calculate their answer.
Curated OER
M&M Caper
Students participate in a game with M&M's to be introduced to percents and ratios. Individually, they estimate and record the number of candies they believe the bag holds and the amount of each colored candy. They open the bag and...
Curated OER
Bits and Pieces: Fractions Greater Than One
Students compare fractions. In this fraction worksheet, students examine the number line. Using the Internet, they explore models of numbers greater than one. Students complete multiple-choice worksheets.
Curated OER
Isotopes of Pennies
High schoolers demonstrate that isotopes of an element have different masses. They illustrate atomic mass and neutrons. The periodic table is examined in length. Display of a collection of atoms is surveyed.
Curated OER
They Don't Just Eat Grass
Students explore and examine different types of feed used for livestock. They discuss types of feed, the need for energy and health, and create graphs of food compared to categories. Students organize data and complete worksheets on...
Curated OER
Multiplication Drill
Third graders solve a number of problems by multiplying basic single digit numbers times other single digit numbers. There are 36 problems to solve on the sheet.
Curated OER
Find the Fraction, Decimal and Percentage
Students review how to find percentages from decimals and fractions. Using photographs, they determine the percentage, decimal and fractions of different criteria. They use a calculator to change the form of the rational numbers as well.
Curated OER
The Clumsy Tiler N (Fractions)
Students explore patterns and geometric sequencing. Students devise and use problem solving strategies to explore situations mathematically. Students solve real life problems. They demonstrate, with cardboard pieces, fraction and...
Curated OER
Finding Total Given Part and Percentage
Learners observe models of fractional parts. After writing the definitions of percent, part and whole, students use the calculators and computers to solve problems. Individually, they complete assigned problems where the convert the...
Curated OER
Averages and Percentages
In this averages and percents learning exercise, students identify and define average as all numbers together divided by the total number of items added. Then they identify and define percent as the given number out of a total possible....