Curated OER
Additional Stoichiometry Review Problems
For this stoichiometry worksheet, students interpret a chemical equation, determine number of moles produced or mass of product, and solve for the limiting reactant for reactions. This worksheet has 25 problems to solve.
Curated OER
Ratio, Rates and Percentages
In this ratio, rates and percentages worksheet, 8th graders solve 22 various types of problems related to ratios, rates and percentages. They first write ratios in lowest terms and describe each of comparison stated. Students also solve...
Curated OER
Probability: Ratios and Percents
Students investigate ratios and percents. In this algebra lesson, students explore the probability of an event occurring. They convert between ratios and percents as they solve the odds.
Curated OER
What's a Per-"cent"?
Students recognize the mathematical connections between fractions and percents. They develop and study graphs to make connections between their data and what it represents. They write about the connections they have discovered.
Curated OER
Getting Percentible
This unit explores the connections between percentages, decimals, and fractions. It focuses on strategies for solving problems involving percentages and applies these strategies to real life contexts.
Curated OER
Calculating Discounts and Sales
Students discover that a discount is used by manufacturers and merchants to mean taking off a certain percentage of the price given in a price list. This price is called the list price. The list price less the discount is known as the...
Curated OER
Calculating Interest
Students solve interest problems for bank accounts and loans to gain real life experience. They also review newspapers and find a car they wish to purchase then are given a rate and time of loan.
Curated OER
A.P. Calculus BC Section II, Part A and Part B
In this A.P. Calculus BC worksheet. students solve six practice problems. A graphing calculator is required on the first three questions and not allowed on the next three. Directions are provided.
Curated OER
Calculating Tips
In this calculating tips worksheet, students determine how much should be tipped on amounts spent at restaurants.
Curated OER
Composition of Ocean Water
Students experiment to determine the composition of ocean water. In this ocean water composition lesson, students color in a grid that shows the percentage of each of the components of ocean water which include chloride, sodium, sulfate,...
Curated OER
Alien Plant Invasion: A Filed Study project at Saguaro National Park
Learners are able to describe the purpose of National Parks and Monuments. They describe three ways alien plants species affect native populations of plants and animals. Students are able to properly set up a study plot, measure and...
Curated OER
More of U.S.
Explore graphical representation of a real-life data set and determine the exponential regression model for the data in your classroom. High schoolers also compare the estimated value to the given value by determining the percent error.
Curated OER
2003 U.S. National Chemistry Olympiad Part III
For this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
Mathematics Assessment Project
Middle School Mathematics Test 6
A thorough math test divides the content into two 40-minutes sections, covering material through algebra and geometry. Problems incorporate analysis and applied problem solving.
Curated OER
Chemistry 231, Exam 3
This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...
Teach Engineering
Preconditioning Balloons: Viscoelastic Biomedical Experiments
What does stretching a balloon have to do with equilibrium? Groups explore preconditioning by stretching a balloon to a point of equilibrium. They then measure the amount of force required to stretch the balloon to the same point several...
Federal Reserve Bank
Then and Now: Fed Policy Actions During the Great Depression and Great Recession
Review the Great Depression in the United States from an economist's perspective, examining roots of the crash, government policy actions, and policies instituted by the Fed.
Curated OER
Discount
Seventh graders calculate the sale price when given the regular price and percent discount as well as calculate the percent discount when given the regular price and sale price. They find the total cost of a CD if the price is $19.99 and...
Curated OER
Relating Percents, Decimals, And Fractions
In this relating percents, decimals, and fractions worksheet, pupils, with a partner, problem solve and calculate the answers to twelve word problems and mathematical equations.
Curated OER
Statistical Calculations Using M&Ms
In this frequency worksheet, students investigate, frequency, box plots, and percentage using a package of M&Ms. Copies of the actual correspondences with the Mars company are also included.
Curated OER
Taking Measurements at Home
In this measurements worksheet, students find their weight, height, width and depth of their bodies at home using equipment around their homes. They use the proper number of significant figures to record their answers and they find the...
Curated OER
Visual Fractions
Leanrers observe models of fractions and use a calculator to represent numbers as decimals, fractions, and percents. They participate in calculator activities to view different representations of the same number.
Curated OER
Fashion Sense and Dollar Wise
Students work in groups to show understanding of the relationship between fractions, decimals, percentages, and the application of ratios and proportions. In this decimals, fractions, and percents lesson, students use real life consumer...