Chemistry Collective
Virtual Lab: Cola and Sucrose Concentration Problem
Recreate the secret Coca-Cola formula in a virtual lab. Young scholars create the solution and then calculate sucrose concentrations in terms of percent mass, molarity, molality, and mole fraction. Then using density, learners determine...
Concord Consortium
Smart Money
Watch the money grow daily. Scholars tackle a problem to determine how much money they will have if a dollar grows at 10 percent compounded daily after a month. Using that knowledge, learners notice the difference between varying savings...
US Department of Commerce
Diversity: Differences in Communities
Using census data, the class finds the percentages of three diversity categories for four states and compare them. With the assistance of a 10 X 10 grid, pupils create visual representations of a comparison between two states on one...
Teach Engineering
Machines and Tools (Part 2)
Which pulley system will give us a whale of a good time? Teams compare the theoretical and actual mechanical advantages of different pulley systems. They then form a recommendation for how to move a whale from an aquarium back to the ocean.
Nuffield Foundation
Investigating the Effect of Concentration of Blackcurrant Squash on Osmosis in Chipped Potatoes
Model and explore osmosis using squash and potatoes. Young scientists expose chunks of potatoes to different concentrations of a squash solution. They compare the weights of the chunks before and after exposure to the solution and use...
Curated OER
Decimals, Percents, and Fractions
In this decimals, percents and fractions worksheet, 7th graders solve 10 different problems that include comparing and ordering various forms of numbers. First, they compare each value to determine which is greater. Then, students order...
Curated OER
Ratio, Proportion And Percent
In this math worksheet, middle schoolers evaluate and compare the ratios. They also compare the fractions by solving the proportions.
Math Mammoth
Percent Fact Sheet
In this math activity, students are given 9 percentage problems that involve conversion, variables, story problems and fractions.
Curated OER
Calculating Total From Percents
Using this short review of finding a percentage of a number, learners can practice important skills. There are twelve questions on this worksheet.
Curated OER
"NSN, Fractions, Percents, Ratios, Rates" Investigations
Sixth graders engage in an investigation about the concepts related to fractions. They read, represent, compare, and order proper and improper fractions, and mixed numbers. They demonstrate an understanding of relationships involving...
Curated OER
Are Our Chemical Measurements Accurate or Precise?
What is the difference between accuracy and precision? This worksheet has students define the terms accuracy and precision, and compare bulleye diagrams to find examples of both. Students analyze given data and determine the accuracy and...
Curated OER
Gold Rush California and its Diverse Population
Young scholars compare contemporary cultural differences with historical differences based on population percentage. In this cross-curriculum Gold Rush/math lesson, students analyze aspects of California's Gold Rush population and...
Curated OER
Skateboards
Students examine two plants that make skateboards. They practice converting fractions to percents in real life applications.
Curated OER
Elastomers: The Best Bungee Cord
Students examine elastomeric polymers in a lab activity in which they design a bungee cord. Students must determine the tensile strength, percent elongation, and plot stress versus strain graphs for their experiments on rubber bands...
Curated OER
Nov. 8, 1960 | Kennedy Is Elected President
Using the presidential election of 1960 as background information, learners consider the push of electoral reform. They read about the events and issues surrounding President Kennedy's win in 1960 and compare them to the same issues...
Curated OER
Taking Attendance
Young mathematicians record and analyze data. They will take attendance for their class and compare to other days. Then discuss ways to count who is present. They may also show the amount of students present using fractions.
New Mexico State University
Atlantean Dodgeball
Develop ratios within sporting games. Class members watch a video about dodgeball and see how coaches compare the scores. Pupils then work with ratios to compare the scores throughout the tournament. Using their knowledge of ratios, they...
Curated OER
Comparing Fractions
Students discuss the nature of fractions and compare fractions based on a similar whole to determine relative size.
Curated OER
Percents and Discounts
Students convert between decimals and percents. In this algebra lesson, students define percent as it relates to sales and tax. They calculate the percents of number using multiplication.
Curated OER
Comparing M&M's
Students sort a bag of M&M's by colors and solve a variety of comparison problems. They determine which pile of M&M's has the most, the least, and answer questions comparing two piles. Students also order the piles of M&M's...
Curated OER
A New Life
Students write a paper about how their life would be different if fractions, decimals and percents did not exist. The teacher leads a discussion after the papers are written.
Curated OER
Smaller Than One
Sixth graders practice converting a fraction into a decimal and a percent. They explain relationships among rational numbers. They order and compare whole numbers, fractions (including mixed numbers), and decimals using a variety of...
Curated OER
Calculating Errors of Measurement
In this errors in measurement worksheet, students answer four questions to show their understanding of errors when taking scientific measurements. They determine the percent error in each problem.
Curated OER
Percentages, Fractions and Decimals
In this algebra worksheet, students are asked to convert between percents, fractions and decimals. They calculate interest as it relates to real world scenario. There are 5 a,b,c questions.