Inside Mathematics
Magic Squares
Prompt scholars to complete a magic square using only variables. Then they can attempt to solve a numerical magic square using algebra.
CK-12 Foundation
Complement Rule for Probability: Changes in an Election
Pupils determine the probability of one mayoral candidate winning given the other's chance. The interactive provides a circle graph to help visualize each candidate's percentages of winning.
Bowland
Bunting
How much fabric is necessary for bunting? Scholars use given dimensions of triangular bunting (hanging decorations) to determine the amount of fabric necessary to decorate a rectangular garden. The task requires pupils to consider...
Inside Mathematics
Rhombuses
Just what does it take to show two rhombuses are similar? The assessment task asks pupils to develop an argument to show that given quadrilaterals are rhombuses. Class members also use their knowledge of similar triangles to show two...
Balanced Assessment
Oil Consumption
An assessment presents a chart displaying oil consumption Pupils use the chart to determine the greatest increase in consumption, and then apply that information to figure out when the consumption may reach 100 million barrels a day.
Curated OER
Decimals and Percents - Part Two
Students explore the concept of converting percents to decimals. In this conversion lesson, students convert percents to decimals.
Curated OER
Bits and Pieces - More About Percents - Online Manipulatives
In this online percentages activity, students access the Library of Virtual Manipulatives web site and open the percentage tool. They use the online tool to complete 8 multi-step questions making graphical representations and finding...
Curated OER
Tax Problem: Percents
In this tax learning exercise, students solve 1 problem about taxes. Students find the federal and state tax on a given amount of money.
Curated OER
Four Decimal, Fraction, and Percent Activities
In this fraction worksheet, students solve problems presented in four different activities. The activities cover percentages, fractions, decimals, currency exchange, and value added tax. A card "game" is one of the...
Curated OER
Formula of a Hydrate Lab
In this hydrate worksheet, students find the formula of an unknown salt by determining the mass of water in the heated compound. Students burn off the water and record data to establish the final mass and formula of the hydrate.
Curated OER
A Trillion Here...A Trillion There
In this working with large numbers worksheet, students are given the finance statistics for the US and the world for the 2006-2007 year. Students solve 11 problems including finding averages and percentages for the given statistics and...
Curated OER
Practice Test: Chapter 7 - Percents
In this percent activity, students convert between fractions, decimals and percents. They create a model of each number represented. This six-page activity contains 25 multi-step problems.
Curated OER
Fractions, Decimals and Percentages
In this fractions, decimals, and percentages worksheet, students compare and order given amounts. Students identify equivalent numbers. They calculate the percent of a given number and convert from a fraction to a percent and to a...
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
Fractions Forever!
Middle schoolers identify proper, improper fractions, and mixed numbers. They reduce fractions to their lowest terms. They add and subtract fractions with different denominators, and multiply and divide fractions, as well as...
Curated OER
Coal Supply and Demand
A hands-on simulation perfect for an economics lesson, young learners investigate the availability of different sources of natural energy (coal, natural gas, oil, solar, and nuclear) and how this availability affects their cost....
Alabama Learning Exchange
The World of Integers
Review operations related to rational numbers and integers using the include PowerPoint presentation, "Interesting Integers." Young mathematicians classify rational numbers as being natural, whole, or integers and read an article about...
Santa Monica College
Mole Ratios and Reaction Stoichiometry
Stoichiometry sounds complicated, but it really means the study of the amount of substances involved in a reaction. The sixth instructional activity in an 11-part series has scholars use stoichiometry to find the theoretical yield of a...
Curated OER
The Math of Renewable Energy
Students research additional information about questions on their worksheet. In this energy activity, students develop visual aids of their proposed solution to the problem. They present their work in class.
Read Works
Canine Courage
Did you know dogs had an important job on September 11th, the day airplanes took down the World Trade Center? Learn more about the furry heroes with a three-page informational read designed to aid pupils in answering 10...
Radford University
Let’s Go Floor Shopping!
Pupils calculate the area of two rooms to re-floor. They research Lowe's and Home Depot to find the cost for different floor coverings. Given different promotions for the stores, individuals determine where to purchase the flooring based...
Utah Beef Council
Beef Unit and Lab Plan
What are the proper methods for cooking various cuts of beef? What are some basic rules regarding meat food safety? Here you'll find 10 lab plans with a variety of beef cookery activities, perfect for a home economics or cooking course.
Math Drills
Trick-Or-Treat Candy Probabilities
Class members satisfy their sweet tooth with a Halloween-themed, candy probability worksheet. Using images of candy pieces that represent data, young mathematicians find the probability of getting different pieces of candy while...
EngageNY
Describing Variability Using the Interquartile Range (IQR)
The 13th lesson plan in a unit of 22 introduces the concept of the interquartile range (IQR). Class members learn to determine the interquartile range, interpret within the context of the data, and finish by finding the IQR using an...